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Solutions Search - Step Up DC-DC Solutions (Vin < Vout)

DC2628A - LT8362 Demo Board | VIN = 10V to 36V with VOUT= 48V at 280mA to 1000mA

Aug 8th 2017
Demo circuit 2628A features the LT®8362 in boost configuration. The converter is designed to convert a 10V to 36V source to 48V at 280mA to 1000mA, depending on input voltage, and with a switching frequency of 2MHz. Please refer to Figure 4 for load current versus input voltage.    ...

Demo Board LTspice 

 

LTC3897 High Efficiency 2-Phase 48V Boost Converter with Reverse Input Protection (Surge Stopper Controller Not Used)

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

Circuit 

 

LTC3897 High Efficiency 2-Phase 48V Boost Converter with Overcurrent Protection (Ideal Diode and Surge Stopper Controllers at the Output)

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

Circuit 

 

LTC3897 Nonsynchronous 107V/1.5A 2-Phase Boost Converter with In-Rush Current Control, Overcurrent Protection, Input Voltage Surge Protection and Reverse Input Protection

Jan 17th 2017
The LTC®3897 is a synchronous boost DC/DC controller with surge stopper and ideal diode controller. ...

Circuit 

 

DC2108A - LTC3897 Demo Board | Sync Boost Controller, 16V ≤ VIN ≤ 55V,Vout = 48V @ 4A to 12A

Nov 30th 2016
Demonstration circuit DC2108 is DC/DC boost converter featuring the LTC®3897 constant frequency current mode boost controller. The DC2108A operates over a 16V to 55V input and provides 4A to 12A of output current as shown in Figure 3. The 160kHz (2 •160kHz at the output) constant frequency operation results in a small ...

Demo Board LTspice 

 

LT3759 Wide Vin, 48V @ >100mA Output Boost Converter that Works Down to 1.6V

Christopher Jarboe - Associate Applications Engineer Oct 3rd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. An internal LDO regulator draws power from VIN or DRIVE to provide up to a 4.75V supply for ...

Blog Post Circuit LTspice 

 

LTC3723-1 130W Isolated Push-Pull Converter for PoE Applications with 93.5% Peak Efficiency

Jeoffrey (Zijian) Wang - Applications Engineer Oct 3rd 2016
This solution is a non-synchronous isolated push-pull converter designed for PoE applications, which can generate a 50V/2.6A output from a 34-38V (36V typical) input voltage range. A 93.5% peak efficiency is achieved for the whole isolated converter and the total solution can be fit into 1/8 brick footprint (2.3” x 0.9”) ...

Circuit LTspice 

 

LT3517 350mA, 5V to 12V Boost Converter with Accurate Input Current Limit

Sep 13th 2016
The LT3517 is a current mode DC/DC converter with an internal 1.5A, 45V switch specifically designed to drive LEDs. The LT3517 operates as a LED driver in boost, buck mode and buck-boost mode. It combines a traditional voltage loop and a unique current loop to operate as a constant-current source or constant-voltage source. ...

Circuit 

 

LTC3200 Regulated 5V Output from a 2.7V to 4.5V Input

Sep 12th 2016
A new charge-pump architecture maintains constant switching frequency to zero load and reduces bith output and input ripple. The LTC3200/LTC3200-5 have thermal shutdown capability and can survive a continuous short-circuit from VOUT to GND. Built-in soft-start circuitry prevents excessive inrush curreent during start-up. ...

Circuit 

 

DC2348A-A - LTC3871HLXE#PBF Demo Board | Bidirectional Controller, Buck Mode: 30V ≤ VIN ≤ 75V, VOUT = 12V @ 60A; Boost Mode: 10V ≤ VIN ≤ 13V, VOUT = 48V @ 15A

Sep 1st 2016
Demonstration circuit 2348A is a high power high efficiency bi-directional synchronous buck or boost converter featuring the LTC®3871 and is available in two versions. The DC2348A-A operates with two each LTC3871 devices with four phases and the DC2348A-B utilizes one LTC3871 device with two phases. ...

Demo Board 

 

LT3922 500mA, 5V to 12V Boost Convener with Accurate Input Current Limit

Aug 31st 2016
The LT3922 is a monolithic, synchronous, step-up DC/DC converter that utilizes fixed-frequency, peak current control and provides PWM dimming for a string of LEDs. The LED current is programmed by an analog voltage or the duty cycle of pulses at the CTRL pin. The LT3922 will maintain ±2% current regulation through an ...

Circuit 

 

DC2449A-A - LT8335 Demo Board | Micropower Boost, 3V ≤ VIN ≤ 10V, Vout = 12V @ 275mA, 2MHz fSWITCH

Aug 25th 2016
Demonstration circuits 2449A-A and 2449A-B feature the LT8335, in boost and inverting configurations. The demo circuits demonstrate small size and low component count. The boost is designed to convert a 3V to 10V input source to 12V at 275mA. The inverter converts a 4.5V to 13V input source to –12V at 350mA. Refer to Figures ...

Demo Board LTspice 

 

DC780B - LT1618 Demo Board | CC/CV Boost, 3.3V ≤ VIN ≤ 4.2V, Vout = 12V@250mA(CV) or 3.5V@500mA(CC)

Jul 25th 2016
Demonstration circuit 780B is a Constant-Current Constant- Voltage 1.4MHz Step-up DC/DC Converter featuring the LT ® 1618. DC780B demonstrates a general purpose Boost converter with a 12V, 250mA output from a 3.3V-4.2V source. The demo board can also be used as an LED driver, where a Luxeon LED (not installed), is driven ...

Demo Board 

 

LT8335 3V to 6V Input, 24V Boost Converter

Jun 27th 2016
The LT®8335 is a current mode DC/DC converter capable of generating either positive or negative output voltages using a single feedback pin. It can be configured as a boost, SEPIC or inverting converter consuming as low as 6μA of quiescent current. Low ripple Burst Mode operation maintains high efficiency down to very ...

Circuit 

 

LT8335 3V to 6V Input, 12V Boost Converter

Jun 27th 2016
The LT®8335 is a current mode DC/DC converter capable of generating either positive or negative output voltages using a single feedback pin. It can be configured as a boost, SEPIC or inverting converter consuming as low as 6μA of quiescent current. Low ripple Burst Mode operation maintains high efficiency down to very ...

Circuit 

 

LT8335 8V to 16V Input, 24V Boost Converter

Jun 27th 2016
The LT®8335 is a current mode DC/DC converter capable of generating either positive or negative output voltages using a single feedback pin. It can be configured as a boost, SEPIC or inverting converter consuming as low as 6μA of quiescent current. Low ripple Burst Mode operation maintains high efficiency down to very ...

Circuit 

 

LT8304 4V to 100VIN/140VOUT Boost Converter

Jun 9th 2016
The LT®8304 is a monolithic micropower isolated flyback converter. By sampling the isolated output voltage directly from the primary-side flyback waveform, the part requires no third winding or opto-isolator for regulation. The output voltage is programmed with two external resistors and a third optional temperature compensation ...

Circuit 

 

DC2324A-C - LT3753EFE Isolated Demo Board | Sync Forward Controller with Active Clamp, 9V ≤ VIN ≤ 18V; VOUT = 24V @ 4A

May 25th 2016
Demonstration circuits 2324A-A, 2324A-B, and 2324A-C are active clamp forward converters with synchronous rectification featuring the LT®3753. These circuits were designed to demonstrate the high level of performance, efficiency and small solution size attainable using this part. They operate at 240kHz. The DC2324A-A produces ...

Demo Board 

 

DC2435A-C - LTC7813EUH Demo Board | Sync Boost + Sync Buck, 4V ≤ VIN ≤ 56V; Dual Output, VBoost = 24V @ 3A, Vbuck = 5V @ 8A

May 13th 2016
Demonstration circuit DC2435A is a step-up/down supply featuring the LTC®7813EUH. The LTC7813 is a high performance dual output (buck and boost) synchronous DC/DC switching regulator controller. The board has three different configurations: DC2435A-A: Regulated output voltage of 24 Volt DC2435A-B: Narrowed output voltage ...

Demo Board 

 

DC2357A - LTM8067 Demo Board | 2kV AC Isolated Flyback μModule, 4.5V ≤ VIN ≤ 40V, Vout = 5V @ up to 500mA

Mar 10th 2016
The Demo circuit 2357A is a 2kV AC isolated flyback μModule® DC/DC converter featuring the LTM8067. The demo circuit is designed for a 5V flyback output from a 4.5V to 40V input. The typical current capability of the 5V flyback output varies with input voltage from about 200mA at 4.5VIN to about 500mA at 40VIN. See Figure ...

Demo Board LTspice 

 

LT3759 1.8V to 3.3V Input, 5V/2A Output Boost Converter

Feb 2nd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. ...

Circuit 

 

LT3759 8V to 16V Input, 24V/2A Output Boost Converter

Feb 2nd 2016
The LT®3759 is a wide input range, current mode, DC/DC controller which is capable of regulating either positive or negative output voltages from a single feedback pin. It can be configured as a boost, SEPIC or inverting converter. ...

Circuit 

 

DC2275A - LT8331 Demo Board | Boost, 10V ≤ VIN ≤ 48V, 120Vout @ up to 80mA

Dec 11th 2015
Demonstration circuit DC2275A features the LT®8331 in a boost configuration. The demo circuit demonstrates small size and low component count. The boost is designed to convert a 10V to 48V source to 120V at 25mA to 80mA. ...

Demo Board 

 

LT8331 36V to 72V Input,120V Boost Converter

Nov 4th 2015
The LT®8331 is a current mode DC/DC converter with a 140V, 0.5A switch operating from a 4.5V to 100V input. With a unique single feedback pin architecture, it is capable of boost, SEPIC, flyback or inverting configurations. Burst Mode operation consumes as low as 6μA quiescent current to maintain high efficiency at very ...

Circuit LTspice 

 

LT8331 9V to 16V Input, 135V Boost Converter

Nov 4th 2015
The LT®8331 is a current mode DC/DC converter with a 140V, 0.5A switch operating from a 4.5V to 100V input. With a unique single feedback pin architecture, it is capable of boost, SEPIC, flyback or inverting configurations. Burst Mode operation consumes as low as 6μA quiescent current to maintain high efficiency at very ...

Circuit 

 

LT8331 10V to 48V Input, 240V Boost Converter

Nov 4th 2015
The LT®8331 is a current mode DC/DC converter with a 140V, 0.5A switch operating from a 4.5V to 100V input. With a unique single feedback pin architecture, it is capable of boost, SEPIC, flyback or inverting configurations. Burst Mode operation consumes as low as 6μA quiescent current to maintain high efficiency at very ...

Circuit 

 

LTC3643 40V Synchronous Boost Regulator with Input Disconnect

Nov 4th 2015
The LTC®3643 is a bidirectional synchronous step-up charger and step-down converter which efficiently charges a capacitor array up to 40V from an input supply between 3V to 17V. When the input supply falls below the programmable power-fail threshold, the step-up charger operates in reverse as a synchronous step-down regulator ...

Circuit 

 

DC2270A - LT3095 Demo Board | Dual Boost Plus Post-Regulator LDO Bias Generator, 3V ≤ VIN ≤ 20V, Vout1 = 5V @ 50mA, Vout2 = 15V @ 50mA

Oct 20th 2015
Demonstration circuit 2270A is a dual-channel low noise bias generator featuring LT3095. The LT3095 generates two low noise bias supplies from a common input voltage range from 3V to 20V. Each channel includes a fixed frequency, peak current mode step-up switching regulator and a low noise, single resistor programmable linear ...

Demo Board LTspice 

 

DC2235A - LTC3265 Demo Board | Dual Supply Boost/Inverting Charge Pumps with Post-Regulator LDOs, 4.5V ≤ VIN ≤ 16V, Vout = ±5V/±15V/±24V @ 50mA

Oct 5th 2015
Demonstration Circuit 2235A has boost and inverting charge pumps each with a low noise LDO post regulator featuring the LTC®3265EDHC. The LTC3265 operates with an input voltage from 4.5V to 16V for the boost charge pump and from 4.5V to 32V for the inverting charge pump. The demo board provides selectable LDO± output ...

Demo Board 

 

DC2372A - LTC3121EDE Demo Board | Sync Boost, 1.8V ≤ VIN ≤ 5.5V, Vout = 12V @ Up to 400mA

Sep 30th 2015
Demonstration circuit 2372A is a 5.5V input, 12V output at 400mA DC/DC power supply featuring the LTC®3121. The IC includes internal high and low side 1.5A switches and features selectable PWM or Burst Mode® operation for high efficiency at low output current. The board operates from an input voltage as low as 1.8V and ...

Demo Board LTpowerCAD LTspice 

 

DC414B - LTC1871EMS | Boost Controller, 3V ≤ VIN ≤ 5V, Vout = 5V @ 7A

Aug 31st 2015
Demonstration circuit DC414 is a step-up (Boost) DC-DC converter featuring the LTC1871 controller. The circuit is capable of providing an output voltage of 5V at 7A (10A peak) from an input supply of 3.3V. External frequency synchronization is provided, as are two modes of operation at light load conditions: Burst mode™ ...

Demo Board 

 

LTC3265 Low Noise ±15V Outputs from a Single 12V Input

Aug 27th 2015
The LTC®3265 is a low noise dual polarity output power supply including a boost charge pump, an inverting charge pump and two low noise positive and negative LDO post regulators. The boost charge pump powers the positive LDO post regulator while the inverting charge pump powers the negative LDO regulator. Each LDO can provide ...

Circuit 

 

LTC3265 Low Power ±20V Power Supply from a Single-Ended 15V Input Supply

Aug 27th 2015
The LTC®3265 is a low noise dual polarity output power supply including a boost charge pump, an inverting charge pump and two low noise positive and negative LDO post regulators. The boost charge pump powers the positive LDO post regulator while the inverting charge pump powers the negative LDO regulator. Each LDO can provide ...

Circuit 

 

LTC3121 2 AA Cell to 12V Synchronous Boost Converter, 100mA

Aug 27th 2015
The LTC®3121 is a synchronous step-up DC/DC converter with true output disconnect and inrush current limiting. The 1.5A current limit along with the ability to program output voltages up to 15V makes the LTC3121 well suited for a variety of demanding applications. Once started, operation will continue with inputs down to ...

Circuit 

 

LTC3121 3.3V to 12V, 2MHz Synchronous Boost Converter with Output Disconnect, 250mA

Aug 27th 2015
The LTC®3121 is a synchronous step-up DC/DC converter with true output disconnect and inrush current limiting. The 1.5A current limit along with the ability to program output voltages up to 15V makes the LTC3121 well suited for a variety of demanding applications. Once started, operation will continue with inputs down to ...

Circuit 

 

LTC3121 USB/Battery Powered Synchronous Boost Converter, 4.3V to 5V, 500mA

Aug 27th 2015
The LTC®3121 is a synchronous step-up DC/DC converter with true output disconnect and inrush current limiting. The 1.5A current limit along with the ability to program output voltages up to 15V makes the LTC3121 well suited for a variety of demanding applications. Once started, operation will continue with inputs down to ...

Circuit 

 

DC2306A - LT3753EFE Isolated Demo Board | Forward Converter, 10V ≤ VIN ≤ 54V; VOUT = 48V or 54V (Jumper Selectable) @ 1.5A

Aug 24th 2015
Demonstration circuit 2306A is an active clamp forward converter featuring the LT®3753. This circuit was designed to demonstrate the high level of performance and efficiency that can be attained with the LT3753. It operates at 100kHz and produces a regulated 54V, 1.5A output from a wide input voltage range of 10V to 54V, ...

Demo Board LTspice 

 

DC2258A - LT3048 Demo Board | Boost, Integrated Schottky and Post-Regulator LDO, 2.7V ≤ VIN ≤ 4.8V, Vout = 20V @ up to 25mA

Aug 10th 2015
Demonstration circuit 2258A features the LT®3048, a Boost DC/DC Converter with integrated Schottky diode and LDO in a 2mm × 2mm DFN package. This demo board is designed to convert a 2.7V to 4.8V input to a 20V output at 10mA to 25mA with low output ripple and noise. The LT3048 allows for the output to be programmed ...

Demo Board 

 

DC2297A-B - LT8570EDD-1 Demo Board | Boost, 5V ≤ VIN ≤ 10V, Vout = 12V @ 60mA

Jul 16th 2015
Demonstration circuits 2297A-A and 2297A-B feature the LT®8570 and LT8570-1 in a boost configuration. These demo circuits demonstrate small size and low component count. Both converters are designed to convert a 5V to 10V source to 12V. The DC2297A-A (LT8570) provides 125mA of output current, and the DC2297A-B (LT8570-1) ...

Demo Board LTspice 

 

LT8330 3V to 6V Input, 48V Boost Converter

Jul 8th 2015
The LT®8330 is a current mode DC/DC converter capable of generating either positive or negative output voltages using a single feedback pin. It can be configured as a boost, SEPIC or inverting converter consuming as low as 6μA of quiescent current. Low ripple Burst Mode operation maintains high efficiency down to very ...

Circuit 

 

LT8330 8V to 16V Input, 24V Boost Converter

Jul 8th 2015
The LT®8330 is a current mode DC/DC converter capable of generating either positive or negative output voltages using a single feedback pin. It can be configured as a boost, SEPIC or inverting converter consuming as low as 6μA of quiescent current. Low ripple Burst Mode operation maintains high efficiency down to very ...

Circuit 

 

LT8330 3V to 6V Input, 24V Boost Converter

Jul 8th 2015
The LT®8330 is a current mode DC/DC converter capable of generating either positive or negative output voltages using a single feedback pin. It can be configured as a boost, SEPIC or inverting converter consuming as low as 6μA of quiescent current. Low ripple Burst Mode operation maintains high efficiency down to very ...

Circuit 

 

DC1547B - LT3757AEDD Boost Demo Board | Boost, 3.1V ≤ VIN ≤ 9V; VOUT = 12V @ 1.5A

May 29th 2015
Demonstration circuit 1547B features the LT®3757AEDD in a 400kHz BOOST converter circuit, designed for a 12V output from a 3.1V to 9V input voltage range. The LT3757A operates over an input range of 2.9V to 40V, suitable for applications from single-cell lithium-ion battery portable electronics up to high voltage automotive ...

Demo Board 

 

LT8495 750kHz, 16V to 32V Input, 48V Output, 0.5A Boost Converter

Apr 7th 2015
The LT®8495 is an adjustable frequency (250kHz to 1.5MHz) monolithic switching regulator with a power-on reset and watchdog timer. Quiescent current can be less than 9μA when operating and is ~0.3μA when SWEN, WDE and RSTIN are low. Configurable as a SEPIC, boost or flyback converter, the low ripple Burst Mode operation ...

Circuit 

 

LT8495 Li-Ion to 12V, Low Q Current Boost @ 650kHz

Apr 7th 2015
The LT®8495 is an adjustable frequency (250kHz to 1.5MHz) monolithic switching regulator with a power-on reset and watchdog timer. Quiescent current can be less than 9μA when operating and is ~0.3μA when SWEN, WDE and RSTIN are low. Configurable as a SEPIC, boost or flyback converter, the low ripple Burst Mode operation ...

Circuit 

 

LT8495 Low Q Current, 5V to 300V, 250kHz Flyback Converter

Apr 7th 2015
The LT®8495 is an adjustable frequency (250kHz to 1.5MHz) monolithic switching regulator with a power-on reset and watchdog timer. Quiescent current can be less than 9μA when operating and is ~0.3μA when SWEN, WDE and RSTIN are low. Configurable as a SEPIC, boost or flyback converter, the low ripple Burst Mode operation ...

Circuit 

 

DC1898A - LTC3899EFE Demo Board | Triple Buck/Buck/Boost Controller, Vout3 Powers VOUT1/VOUT2; 2.5V ≤ VIN ≤ 60V; VOUT1 = 5V @ 5A, VOUT2 = 8.5V @ 3A, Vout3 = 10V @ 5.5A

Mar 16th 2015
Demonstration circuit 1898A is a triple output synchronous step-up/dual step-down supply featuring the LTC3899EFE. The circuit is using a drop-in layout: the main buck circuit components fit in an area of ¾˝ × 1½˝, while the main boost circuit area is ¾˝ × 1¾˝. The package style for ...

Demo Board 

 

DC2297A-A - LT8570EDD Demo Board | Boost, 65V Power Switch, 5V ≤ VIN ≤ 10V, Vout = 12V @ 125mA

Mar 9th 2015
Demonstration circuits 2297A-A and 2297A-B feature the LT®8570 and LT8570-1 in a boost configuration. These demo circuits demonstrate small size and low component count. Both converters are designed to convert a 5V to 10V source to 12V. Refer to Figures 3 and 4 for maximum load current at different input voltage levels. ...

Demo Board LTpowerCAD LTspice 

 

LT3753 9V-15V Input to 54V/3A Isolated Forward Converter

Randyco Prasetyo - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Feb 26th 2015
The LT®3753 is a primary side, current-mode PWM controller optimized for an active clamp forward converter topology. It features a programmable volt-second clamp that provides a duty cycle guardrail to limit primary switch reset voltage and prevent transformer saturation during load transients. The LT3753 also features ...

Blog Post Circuit 

 

LTC3899 High Efficiency Triple 24V/3.3V/5V Converter with 10V Gate Drive

Feb 24th 2015
The LTC®3899 is a high performance triple output (buck/ buck/boost) DC/DC switching regulator controller that drives all N-channel synchronous power MOSFET stages. The constant frequency current mode architecture allows a phase-lockable frequency of up to 850kHz. The LTC3899 operates from a wide 4.5V to 60V input supply ...

Circuit 

 

LT8570 1.5MHz, 5V to 12V Boost Converter

Feb 2nd 2015
The LT®8570 and LT8570-1 are PWM DC/DC converters. The LT8570 contains a 0.5A, 65V power switch, while the LT8570-1 contains a 0.25A, 65V power switch. The LT8570 and LT8570-1 can be configured as either a boost, SEPIC or inverting converter. ...

Circuit 

 

LT8570-1 1MHz Boost Converter Generates 24V from 5V-12V Input

Feb 2nd 2015
The LT®8570 and LT8570-1 are PWM DC/DC converters. The LT8570 contains a 0.5A, 65V power switch, while the LT8570-1 contains a 0.25A, 65V power switch. The LT8570 and LT8570-1 can be configured as either a boost, SEPIC or inverting converter. ...

Circuit 

 

LT8570 1MHz Boost Converter Generates 24V from 5V-12V Input

Feb 2nd 2015
The LT®8570 and LT8570-1 are PWM DC/DC converters. The LT8570 contains a 0.5A, 65V power switch, while the LT8570-1 contains a 0.25A, 65V power switch. The LT8570 and LT8570-1 can be configured as either a boost, SEPIC or inverting converter. ...

Circuit 

 

LT8570 1.2MHz Boost Converter Creates 48V @ 50mA from 9V-16V Input

Feb 2nd 2015
The LT®8570 and LT8570-1 are PWM DC/DC converters. The LT8570 contains a 0.5A, 65V power switch, while the LT8570-1 contains a 0.25A, 65V power switch. The LT8570 and LT8570-1 can be configured as either a boost, SEPIC or inverting converter. ...

Circuit 

 

LT8310/LT1431 81W Isolated Forward Converter with Opto Feedback; VIN = 12V/24V, VOUT = 54V@1.5A

George Qian - Senior Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Jan 30th 2015
The LT8310 is a constant-frequency resonant reset forward converter controller with a low side N-channel MOSFET gate driver. The LT8310 has a wide input voltage range from 6V to 100V. Its switching frequency can be programed from 100kHz to 500kHz to optimize efficiency, performance or external component size. The LT8310's protection ...

Blog Post Circuit LTspice 

 

LTC3788 Generates High Voltages Using a Two-Stage Boost Converter

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Sep 17th 2014
Generating high voltages from low level sources is not an easy task. Engineers are facing the following problems when they try to implement single stage boost at high step-up ratios. Limitation of maximum duty cycle in boost controllers Sharp decrease in efficiency at long duty cycles High peak currents and EMI challenges ...

Blog Post Circuit LTspice 

 

LTC3786: High Efficiency Li-Ion Battery-to-USB Boost Converter

Goran Perica - Power Applications Section Leader
Gabino Alonso - Strategic Marketing Engineer
Sep 16th 2014
The LTC®3786 is a high performance synchronous boost converter controller that drives all N-channel power MOSFETs. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, enabling the LTC3786 to be used in high power boost applications. A 4.5V to 38V input supply range encompasses ...

Blog Post Circuit LTspice 

 

DC2186A-A - LT8580 Demo Board | Boost, 3V ≤ VIN ≤ 10V, Vout = 12V @ 120mA

Sep 15th 2014
Demonstration circuits 2186A-A and 2186A-B feature the LT8580EDD in boost/inverting configurations. The demo circuits demonstrate small size and low component count. The DC2186A-A boost demo board is designed to convert a 3V to 10V source to 12V at 120mA. The DC2186A-B two inductor inverting (Cuk) demo board converts a 5V to ...

Demo Board LTpowerCAD 

 

LT1615 1-Cell Li-Ion to 20V Converter for LCD Bias

Sep 12th 2014
The LT1615/LT1615-1 are micropower step-up DC/DC converters in a 5-lead low profile (1mm) ThinSOT package. The LT1615 is designed for higher power systems with a 350mA current limit and an input voltage range of 1.2V to 15V, whereas the LT1615-1 is intended for lower power and single-cell applications with a 100mA current limit ...

Circuit LTspice 

 

LT1072 Boost Converter (5V to 12V)

Sep 12th 2014
The LT1072 is a monolithic high power switching regulator. It can be operated in all standard switching configurations including buck, boost, flyback, forward, inverting and “Cuk”. A high current, high efficiency switch is included on the die along with all oscillator, control, and protection circuitry. Integration ...

Circuit LTspice 

 

LT1071 Boost Converter (5V to 12V)

Sep 12th 2014
The LT1070/LT1071 are monolithic high power switching regulators. They can be operated in all standard switching configurations including buck, boost, flyback, forward,inverting and “Cuk”. A high current, high efficiency switch is included on the die along with all oscillator,control and protection circuitry. Integration ...

Circuit LTspice 

 

LT3999 5V to 12V, 10W Low Power Push-Pull DC Transformer

Sep 12th 2014
The LT®3999 is a monolithic, high voltage, high frequency DC/DC transformer driver providing isolated power in a small solution footprint. ...

Circuit 

 

LT3479 5V to 12V Boost Converter

Sep 11th 2014
The LT3479 is a current mode, fixed frequency step-up DC/DC converter with an internal 3A, 42V switch. Efficiencies of up to 89% can be achieved in typical applications. It features a programmable soft-start function to limit inductor current during start-up and inrush current protection to protect the LT3479 during shorts and ...

Circuit LTspice 

 

5Vin to 12V at 300mA BOOST Converter

Sep 11th 2014
The LT®3467/LT3467A switching regulators combine a 42V, 1.1A switch with a soft-start function. Pin compatible with the LT1930, its low VCESAT bipolar switch enables the device to deliver high current outputs in a small footprint. The LT3467 switches at 1.3MHz, allowing the use of tiny, low cost and low height inductors ...

Circuit LTspice 

 

LT1613 5V to 12V Boost Converter

Sep 10th 2014
The LT®1613 is the industry’s first 5-lead SOT-23 current mode DC/DC converter. Intended for small, low power applications, it operates from an input voltage as low as 1.1V and switches at 1.4MHz, allowing the use of tiny, low cost capacitors and inductors 2mm or less in height. Its small size and high switching frequency ...

Circuit LTspice 

 

LT1308A 5V to 12V Boost Converter

Sep 5th 2014
The LT1308A/LT1308B are micropower, fixed frequency step-up DC/DC converters that operate over a 1V to 10V input voltage range. They are improved versions of the LT1308 and are recommended for use in new designs. The LT1308A features automatic shifting to power saving Burst Mode operation at light loads and consumes just 140µA ...

Circuit LTspice 

 

LT1111 3V to 5V Step-Up Converter

Sep 5th 2014
The LT1111 is a versatile micropower DC/DC converter. The device requires only three external components to deliver a fixed output of 5V or 12V. Supply voltage ranges from 2V to 12V in step-up mode and to 30V in step-down mode. The LT1111 functions equally well in step-up, step-down, or inverting applications. ...

Circuit LTspice 

 

LT1615 1-Cell to 3.3V Boost Converter

Sep 5th 2014
The LT1615/LT1615-1 are micropower step-up DC/DC converters in a 5-lead low profile (1mm) ThinSOT package. The LT1615 is designed for higher power systems with a 350mA current limit and an input voltage range of 1.2V to 15V, whereas the LT1615-1 is intended for lower power and single-cell applications with a 100mA current limit ...

Circuit LTspice 

 

LTC3803/LTC4441 6V -24V Input Voltage to 52V/2A Boost Converter

Sep 4th 2014
The LTC®4441/LTC4441-1 is an N-channel MOSFET gate driver that can supply up to 6A of peak output current. The chip is designed to operate with a supply voltage of up to 25V and has an adjustable linear regulator for the gate drive. The gate drive voltage can be programmed between 5V and 8V. ...

Circuit LTspice 

 

LT1173 Logic Controlled Flash Memory VPP Generator

Sep 4th 2014
The LT1173 is a versatile micropower DC-DC converter. The device requires only three external components to deliver a fixed output of 5V or 12V. Supply voltage ranges from 2.0V to 12V in step-up mode and to 30V in step-down mode. The LT1173 functions equally well in step-up, stepdown or inverting applications. The LT1173 consumes ...

LTspice 

 

LTC3788 - High Efficiency Dual Boost Regulator with Independent Inputs

Victor Khasiev - Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Aug 27th 2014
Linear Technology offers a line of high performance multiple dual output synchronous boost converters. However, most of the datasheet contains examples of these controllers using the same input voltage source for both outputs. In some circumstances there may be a need to derive two different high output voltages from two separate ...

Blog Post Circuit LTspice 

 

LTC3441 Li-Ion to 5V at 600mA Boost Converter with Output Disconnect

Aug 12th 2014
The LTC3441 is a high efficiency, fixed frequency, buck-boost DC/DC converter that operates efficiently from input voltages above, below or equal to the output voltage. The topology incorporated in the IC provides a continuous transfer function through all operating modes, making the product ideal for single lithium ion or multi-cell ...

Circuit 

 

LT3495 OLED Power Supply from One Li-Ion Cell

Aug 7th 2014
The LT®3495/LT3495B/LT3495-1/LT3495B-1 are low noise boost converters with integrated power switch, feedback resistor and output disconnect circuitry. The parts control power delivery by varying both the peak inductor current and switch off-time. This novel* control scheme results in low output voltage ripple as well as ...

Circuit LTspice 

 

LT1170/LT1171/LT1172 Boost Converter (5V to 12V)

Aug 5th 2014
The LT®1170/LT1171/LT1172 are monolithic high powerswitching regulators. They can be operated in all standard switching configurations including buck, boost, flyback, forward, inverting and “Cuk.” A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry. ...

Circuit LTspice 

 

LT1372/LT1377 5V-to-12V Boost Converter

Aug 5th 2014
The LT®1372/LT1377 are monolithic high frequency switching regulators. They can be operated in all standard switching configurations including boost, buck, flyback, forward, inverting and “Cuk.” A 1.5A high efficiency switch is included on the die, along with all oscillator, control and protection circuitry. ...

Circuit LTspice 

 

DC2173A - LTC3769IUFD Demo Board | Sync Boost, 6V ≤ VIN ≤ 48V, Vout = 48V @ 1.5A to 6A

Jul 28th 2014
Demonstration circuit DC2173A is a DC/DC synchronous boost converter featuring the LTC®3769 constant frequency current mode synchronous boost controller. The DC2173A generates a 48V output voltage and provides 1.5A to 6A of output current. ...

Demo Board LTpowerCAD LTspice 

 

LT8580 1.5MHz, 5V to 12V Boost Converter

Jul 21st 2014
The LT®8580 is a PWM DC/DC converter containing an internal 1A, 65V switch. The LT8580 can be configured as either a boost, SEPIC or inverting converter. ...

Circuit LTspice 

 

LTC3769 High Efficiency 28V Boost Converter

Jul 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Circuit 

 

LTC3769 High Efficiency 10V Boost Converter

Jul 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Circuit 

 

LTC3769 High Efficiency 24V Boost Converter with Inductor DCR Current Sensing

Jul 11th 2014
LTC®3769 is a high performance single output synchronous boost converter controller that drives an all N-channel power MOSFET stage. Synchronous rectification increases efficiency, reduces power losses and eases thermal requirements, simplifying high power boost applications. The 28μA no-load quiescent current extends ...

Circuit 

 

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