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Solutions Search - Inverting DC-DC Solutions (Vout < 0)

DC2328A - LTM4651 Demo Board | EN55022B Compliant 58V, 24W Inverting-Output DC/DC μModule Regulator

Aug 11th 2017
Demonstration circuit 2328A is an inverting buck-boost converter with 12V to 34V input voltage, –24V output voltage and max 2A output current capability, which features the LTM®4651Y. The LTM4651 is an ultralow noise, 58V, 24W inverting-topology DC/DC µModule regulator. It is designed to meet the radiated emissions ...

Demo Board 

 

LTC7820 High Efficiency 24V to –24V, 10A Voltage Inverter with Hot Swap at Input

Jul 24th 2017
The LTC®7820 is a fixed ratio high voltage high power switched capacitor/charge pump controller. The device includes four N-channel MOSFET gate drivers to drive external power MOSFETs in voltage divider, doubler or inverter configurations. The device achieves a 2:1 stepdown ratio from an input voltage as high as 72V, a 1:2 ...

Circuit 

 

LT8630 –15V, 300mA Step-Down Converter

Jan 17th 2017
The LT®8630 is a current mode PWM step-down DC/DC converter with internal synchronous switches that provide current for output loads up to 0.6A. The wide input range of 3V to 100V makes the LT8630 suitable for regulating power from a wide variety of sources, including automotive and industrial systems and 36V to 72V telecom ...

Circuit 

 

DC2244A - LTM8049 Demo Board | Dual SEPIC/Inverting μModule, 2.8V ≤ VIN ≤ 18V, Vout1/2 = ±12V@1A

Sep 27th 2016
Demonstration circuit 2244A features the LTM®8049, a dual SEPIC or inverting μModule® regulator. The demo circuit is configured as two stand-alone SEPIC and Inverting DC/DC converters with +12V and –12V output voltages from an input voltage up to 20V. The switching frequencies of both channels are set at 1MHz ...

Demo Board LTspice 

 

LTC3261 15V to –15V Inverter

Sep 2nd 2016
The LTC®3261 is a high voltage inverting charge pump that operates over a wide 4.5V to 32V input range and is capable of delivering up to 100mA of output current. ...

Circuit 

 

LTC3261 24V to –24V 100mA Inverter

Sep 2nd 2016
The LTC®3261 is a high voltage inverting charge pump that operates over a wide 4.5V to 32V input range and is capable of delivering up to 100mA of output current. ...

Circuit 

 

DC2449A-B - LT8335 Demo Board | Micropower Inverter, 4.5V ≤ VIN ≤ 13V, Vout = -12V @ 350mA, 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 source to –12V at 350mA. Refer to Figures ...

Demo Board 

 

LTC3623 12V to -1V,1MHz Buck Regulator

Aug 15th 2016
TheLTC3623 is a high efficiency, monolithic synchronous buck regulator in which the output voltage is programmed with a single external resistor. The accurate internally generated 50µA current source on the ISET pin allows the user to program an output voltage from 0V to 0.5V below VIN. The user can also directly drive ...

Circuit 

 

DC2447A - LTC3896EFE Demo Board | Sync Inverting Controller, 7V ≤ VIN ≤ 72V; Vout = -12V @ 5A

Aug 2nd 2016
Demonstration circuit 2447A is a high voltage, high efficiency synchronous inverting converter featuring the LTC3896. This demo board has a wide input voltage range from 7V to 72V and produces a –12V output voltage. The DC2447A is capable of delivering up to 5A of output current. Note that the thermal stress increases ...

Demo Board 

 

LT8335 4V to 16V Input, –5V Inverting 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 5V to 12V Input, –12V Inverting 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 

 

LTM8053 –5VOUT from 5VIN to 35VIN Positive to Negative Converter

Jun 9th 2016
The LTM®8053 is a 40VIN, 3.5A (continuous) step-down μModule® (power module) regulator. Included in the package are the switching controller, power switches, inductor, and all support components. Operating over an input voltage range of 3.4V to 40V, the LTM8053 supports an output voltage range of 0.97V to 15V and ...

Circuit 

 

LT8304 –18V to –80VIN/–12VOUT Negative Buck 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 

 

LTC3896 High Efficiency 36V – 72V to –48V/2A Inverting Regulator

May 2nd 2016
The LTC®3896 is a high performance inverting DC/DC switching regulator controller that drives an all N-channel synchronous power MOSFET stage. It converts a wideranging positive input voltage source to a regulated negative output that can be as much as 60V below ground. The input can operate from a voltage as low as 4V and ...

Circuit 

 

LTC3896 High Efficiency 2-Phase 36V–72V to –24V/10A Inverting Regulator

May 2nd 2016
The LTC®3896 is a high performance inverting DC/DC switching regulator controller that drives an all N-channel synchronous power MOSFET stage. It converts a wideranging positive input voltage source to a regulated negative output that can be as much as 60V below ground. The input can operate from a voltage as low as 4V and ...

Circuit 

 

LTC3896 High Efficiency 7V–72V to –12V/5A Inverting Regulator

May 2nd 2016
The LTC®3896 is a high performance inverting DC/DC switching regulator controller that drives an all N-channel synchronous power MOSFET stage. It converts a wideranging positive input voltage source to a regulated negative output that can be as much as 60V below ground. The input can operate from a voltage as low as 4V and ...

Circuit 

 

DC2354A - LTC7149 Demo Board | Buck Configured as Negative VOUT; 3.5V ≤ VIN ≤ 55V; Vout = -3.3V/-5V/Adj to -56V @ Up to 4A

Apr 6th 2016
Demonstration circuit 2354A is a high input voltage, high efficiency synchronous monolithic step-down converter with a negative output voltage featuring the LTC7149. DC2354A has a wide input voltage range from 3.5V up to 55V. The output voltage of the DC2354A can be set  to –3.3V or –5V, and the “User ...

Demo Board LTspice 

 

LTM8064 46VIN, –12VOUT Negative Converter

Mar 1st 2016
The LTM®8064 is a 58VIN, 6A, constant-voltage, constantcurrent (CVCC), step-down μModule® (power module) regulator. Included in the package are the switching controller, power switches, inductor and support components. Operating over an input voltage range of 6V to 58V, the LTM8064 supports an output voltage range ...

Circuit 

 

LTC7149 12V Input to –5V Output at 1MHz Operation

Feb 16th 2016
The LTC®7149 is a high efficiency 60V, 4A synchronous monolithic step-down regulator for inverting output applications. The regulator features a single resistorprogrammable output voltage and high efficiency over a wide VOUT range. ...

Circuit 

 

LTC7149 12V Input to –12V Output at 1MHz Operation

Feb 16th 2016
The LTC®7149 is a high efficiency 60V, 4A synchronous monolithic step-down regulator for inverting output applications. The regulator features a single resistorprogrammable output voltage and high efficiency over a wide VOUT range. ...

Circuit 

 

LTC7149 24V Input to –5V Output at 1MHz Operation

Feb 16th 2016
The LTC®7149 is a high efficiency 60V, 4A synchronous monolithic step-down regulator for inverting output applications. The regulator features a single resistorprogrammable output voltage and high efficiency over a wide VOUT range. ...

Circuit 

 

LTC7149 24V Input to –12V Output at 1MHz Operation

Feb 16th 2016
The LTC®7149 is a high efficiency 60V, 4A synchronous monolithic step-down regulator for inverting output applications. The regulator features a single resistorprogrammable output voltage and high efficiency over a wide VOUT range. ...

Circuit 

 

LTC7149 24V Input to –24V Output at 1MHz Operation

Feb 16th 2016
The LTC®7149 is a high efficiency 60V, 4A synchronous monolithic step-down regulator for inverting output applications. The regulator features a single resistorprogrammable output voltage and high efficiency over a wide VOUT range. ...

Circuit 

 

LT3759 5V to 15V Input, –5V/3A Output Inverting 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 1.8V to 5V Input, –5V/2A Output Inverting 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 

 

LTC3863 5V to 23V Input, –18V/700mA Output, 750kHz Inverting Converter

Feb 2nd 2016
The LTC®3863 is a robust, inverting DC/DC PMOS controller optimized for automotive and industrial applications. It drives a P-channel power MOSFET to generate a negative output and requires just a single inductor to complete the circuit. Output voltages from –0.4V to –150V are typically achievable with higher ...

Circuit 

 

LTC3863 3.5V to 28V Input, –0.4V/200mA Output, 80kHz Inverting Converter

Feb 2nd 2016
The LTC®3863 is a robust, inverting DC/DC PMOS controller optimized for automotive and industrial applications. It drives a P-channel power MOSFET to generate a negative output and requires just a single inductor to complete the circuit. Output voltages from –0.4V to –150V are typically achievable with higher ...

Circuit 

 

LTC3863 12V to 42V Input, –48V/300mA Output, 440kHz Inverting Converter

Feb 2nd 2016
The LTC®3863 is a robust, inverting DC/DC PMOS controller optimized for automotive and industrial applications. It drives a P-channel power MOSFET to generate a negative output and requires just a single inductor to complete the circuit. Output voltages from –0.4V to –150V are typically achievable with higher ...

Circuit 

 

LTC3863 12V to 40V Input, –150V/40mA Output, 320kHz Inverting Converter

Feb 2nd 2016
The LTC®3863 is a robust, inverting DC/DC PMOS controller optimized for automotive and industrial applications. It drives a P-channel power MOSFET to generate a negative output and requires just a single inductor to complete the circuit. Output voltages from –0.4V to –150V are typically achievable with higher ...

Circuit 

 

LT3483 –5V Step-Up/Step-Down Converter

Feb 1st 2016
The LT®3483/LT3483A are micropower inverting DC/DC converters with integrated Schottky and one resistor feedback. The small package size, high level of integration and use of tiny surface mount components yield a solution size as small as 40mm2. The devices feature a quiescent current of only 40μA at no load, which further ...

Circuit 

 

LT8331 36V to 72V Input, –24V Inverting 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 4.5V to 80V Input, –12V Inverting 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 4.5V to 80V Input, –5V Inverting 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 

 

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 

 

Signal Level Shifting with μModule Regulator for Positive-to-Negative Inverting Appliications

Sam Young - Applications Engineer Sep 3rd 2015
Introduction Linear μModule regulators are perfect for point-of-load supplies because their easy-to-drop-in, compact, all-in-one design. They fit tight spaces with minimal engineering effort—only a few components are required in addition to the µModule package itself. Any step-down µModule ...

Blog Post LTspice 

 

Positive to Negative Converter with Variable Output Using LTC3630 and LT6015/LT6016

Philip Lane - Field Applications Engineer
Gabino Alonso - Strategic Marketing Engineer
Sep 1st 2015
There was a window of time in the 1950s and early ’60s when negative voltage rails were commonplace, when germanium PNP transistors were prevalent—like those used in an old “transistor radio”, now worth a fortune on Ebay. Nowadays, NPN transistors are more prevalent, since they basically work ...

Blog Post Circuit LTspice 

 

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 

 

LTC3265 Low Noise +7V/–2V Power Supply from a Single-Ended 5V Input Supply (Frequency = 200kHz)

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 

 

LT8330 8V to 30V Input, –24V Inverting (Cuk) 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 4V to 36V Input, –12V Inverting (Cuk) 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 4V to 16V Input, –5V Inverting 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 

 

LT8570 700kHz, –15V Output Inverting Converter Accepts 5V to 35V 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 700kHz, –15V Output Inverting Converter Accepts 5V to 35V 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 Inverting Converter Generates –48V Output From 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 

 

LT8709 250kHz, –16V to –30V Input to –12V Output, Negative Buck Converter Delivers Up to 8.5A Output Current

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 200kHz, –4.5V to –42V Input to 5V/4A Output Negative Inverting Converter

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 400kHz, Negative Buck-Boost Converter Generates a –24V/2.5A Output from a –15V to –30V Input

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit 

 

LT8709 High Power 300kHz, Negative Boost Converter Generates a –12V/4.5A Output from a –4.5V to –9V Input

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit LTspice 

 

LT8709 250kHz, Wide Input Range, Buck-Boost Converter Generates a –5V Output with Up to 7A Output Current

Jan 29th 2015
The LT®8709 is a synchronous PWM controller for negativeto- negative or negative-to-positive DC/DC conversion, with rail-to-rail output current monitor and control. The LT8709 is ideal for many local power supply designs. It can be easily configured in buck, boost, buck-boost, and inverting topologies with negative input ...

Circuit 

 

DC2049A - LT3999EMSE Isolated Demo Board | Dual Output Push-Pull Transformer Driver, 10V ≤ VIN ≤ 15.5V; VOUT = ±12V @ 0.2A

Nov 24th 2014
The DC2049A demonstrates how a power supply regulates two output voltage by using the LT®3999 and low dropout (LDO) regulators. The LT3999 is a monolithic push-pull DC/DC driver which features a wide input range and small external passive components. The LT3999 has duty circle control for ΔVIN compensation, which ...

Demo Board 

 

LTM8052 36VIN, –5VOUT Negative CVCC Converter

Sep 23rd 2014
The LTM®8052/LTM8052A is a 36VIN, 5A, 2-quadrant constant-voltage, constant-current (CVCC) step-down μModule® regulator. Included in the package are the switching controller, power switches, inductor and support components. Operating over an input voltage range of 6V to 36V, the LTM8052/LTM8052A supports an output ...

Circuit 

 

4V to 135V Input to —15V Output Positive-to-Negative Regulator

Sep 17th 2014
An additional useful application for the LTC3639 is to generate a negative voltage from a positive one. The part’s wide voltage range makes even large negative output voltages realizable. This figure shows the implementation of a –15V output regulator from a 4V to 135V input. Since the output is connected to the ...

Circuit 

 

DC2186A-B - LT8580 Demo Board | Two Inductor Inverting (Cuk), 5V ≤ VIN ≤ 12V, Vout = -12V @ 150mA

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-B two inductor inverting (Cuk) demo board converts a 5V to 12V source to –12V at 150mA. Please refer to figures in the manual for maximum load ...

Demo Board 

 

LT1617 1-Cell to –9V Inverting Converter

Sep 11th 2014
The LT®1617/LT1617-1 are micropower inverting DC/DC converters in a 5-lead SOT-23 package. The LT1617 is designed for higher power systems with a 350mA current limit and an input voltage range of 1.2V to 15V, whereas the LT1617-1 is intended for lower power and single-cell applications with a 100mA current limit and an extended ...

Circuit LTspice 

 

LT1931 2.2MHz, 5V to –5V Inverting Converter

Aug 6th 2014
The LT1931/LT1931A operate in a dual inductor inverting topology that filters both the input side and output side current. Very low output voltage ripple approaching 1mVP-P can be achieved when ceramic output capacitors are used. Fixed frequency switching ensures a clean output free from low frequency noise typically present ...

Circuit LTspice 

 

LT1931 5V to –5V, 350mA Inverting DC/DC Converter

Aug 6th 2014
The LT1931/LT1931A operate in a dual inductor inverting topology that filters both the input side and output side current. Very low output voltage ripple approaching 1mVP-P can be achieved when ceramic output capacitors are used. Fixed frequency switching ensures a clean output free from low frequency noise typically present ...

Circuit LTspice 

 

LT8580 750kHz, –15V Output Inverting Converter Accepts 5V to 40V Input

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 

 

LT8580 1.2MHz Inverting Converter Generates –48V Output From 12V Input

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 

 

DC2067A - LT8710EFE Inverting Demo Board | 4.5V ≤ VIN ≤ 28V; VOUT: -5V @ 6A

Feb 21st 2014
Demonstration circuit 2067A is a synchronous inverting converter (CUK topology) featuring the LT®8710 switching controller. It regulates a –5V, 6A output from a 4.5V to 28V input source, and operates at 300kHz switching frequency. The LT8710 features simple negative or positive output voltage programming. The DC2067 ...

Demo Board LTspice 

 

DC1854A - LT8471EFE Demo Board | Dual Buck/Inverting, 6V ≤ VIN ≤ 32V, Vout1 = 5V @ 1.4A, Vout2 = -5V @ 0.8A

Feb 21st 2014
DC1854A is a dual output buck and inverting converter. It provides 5V and –5V power from 6V to 32V input. The 5V output can source up to 1.4A load current and the –5V output can source up to 800mA load current. See the load current versus input voltage figures inside this demo manual for more information. The internal ...

Demo Board LTspice 

 

LT3840 Inverting Application, 24V Input to –15V, 10A

Feb 10th 2014
The LT®3840 is a high voltage synchronous step-down switching regulator controller capable of operating from a 2.5V to 60V supply. The LT3840’s low quiescent current, when configured for user selectable Burst Mode operation, helps extend run time in battery-powered systems by increasing efficiency at light loads. ...

Circuit 

 

LT8471 500kHz ZETA and 2L Inverting Converters Generates ±5V Outputs with Low Output Ripple

Feb 3rd 2014
The LT®8471 is a dual PWM DC/DC converter containing two internal 2A, 50V switches and an additional 500mA switch to facilitate step-down and inverting conversion. Each 2A channel can be independently configured as a buck, boost, SEPIC, flyback or inverting converter. Capable of generating positive and negative outputs from ...

Circuit 

 

LT8710 300kHz, 4.5V to 25V Input to –5V Output Delivers Up to 7A Output Current

Jan 15th 2014
The LT8710 is a synchronous PWM DC/DC controller with a rail-to-rail output current monitor and control. The LT8710 is ideal for many types of power supply topologies and can be easily configured for boost, SEPIC, inverting, or flyback configurations. The LT8710’s rail-to-rail output current monitor and control allows ...

Circuit 

 

LTC3638 4V to 125V Input to –15V Output Positive-to-Negative Regulator

Jan 15th 2014
The LTC®3638 is a high efficiency step-down DC/DC regulator with internal power switch that draws only 12μA typical DC supply current while maintaining a regulated output voltage at no load. ...

Circuit 

 

LTC3637 4V to 64V Input to –12V Output Positive-to-Negative Regulator

Dec 20th 2013
The LTC®3637 is a high efficiency step-down DC/DC regulator with an internal high side power switch that draws only 12μA DC supply current while maintaining a regulated output voltage at no load. ...

Circuit 

 

LT3090 Negative Output Linear Regulator -2.5Vout@600mA

Sep 16th 2013
The LT®3090 is a 600mA, low dropout negative linear regulator that is easily parallelable to increase output current or spread heat on surface mounted boards. Designed with a precision current reference followed by a high performance rail-to-rail voltage buffer, this regulator finds use in applications requiring precision ...

Circuit 

 

LT3090 Paralleling Devices without Ballasting For Higher Output Currents

Sep 16th 2013
The LT®3090 is a 600mA, low dropout negative linear regulator that is easily parallelable to increase output current or spread heat on surface mounted boards. Designed with a precision current reference followed by a high performance rail-to-rail voltage buffer, this regulator finds use in applications requiring precision ...

Circuit 

 

LT3090 Floating 3-Terminal Regulator (for Arbitrarily High Voltage Applications)

Sep 16th 2013
The LT®3090 is a 600mA, low dropout negative linear regulator that is easily parallelable to increase output current or spread heat on surface mounted boards. Designed with a precision current reference followed by a high performance rail-to-rail voltage buffer, this regulator finds use in applications requiring precision ...

Circuit 

 

DC1737A - LTC3863EMSE Demo Board | 4.5V-16V; Vout = -5.2V @ 1.7A or -12V @ 1A

Jul 17th 2013
Demonstration circuit 1737A is a current-mode inverting DC/DC converter featuring the LTC®3863. The board operates from an input range of 4.5V to 16V, and provides a –5.2V, 1.7A output or a –12V, 1A output (jumper selectable). It operates at 400kHz and may be synchronized to an external clock. A soft-start feature ...

Demo Board LTspice 

 

LTC3630A 4V to 63V Input to -12V Output, Positive-to-Negative Converter

May 29th 2013
The LTC®3630A is a high efficiency step-down DC/DC converter with internal high side and synchronous power switches that draws only 12μA typical DC supply current while maintaining a regulated output voltage at no load. ...

Circuit 

 

LTM8045 -5V Inverting Converter

Jan 23rd 2013
The LTM®8045 is a μModule® (micromodule) DC/DC converter that can be configured as a SEPIC or inverting converter by simply grounding the appropriate output rail. In a SEPIC configuration the regulated output voltage can be above, below or equal to the input voltage. The LTM8045 includes power devices, inductors, ...

Circuit 

 

LTM8045 -12V Inverting Converter

Jan 23rd 2013
The LTM®8045 is a μModule® (micromodule) DC/DC converter that can be configured as a SEPIC or inverting converter by simply grounding the appropriate output rail. In a SEPIC configuration the regulated output voltage can be above, below or equal to the input voltage. The LTM8045 includes power devices, inductors, ...

Circuit 

 

Dual LTM8045 to Generate ±5Vout From 2.8V to 18Vin

Jan 23rd 2013
The LTM®8045 is a μModule® (micromodule) DC/DC converter that can be configured as a SEPIC or inverting converter by simply grounding the appropriate output rail. In a SEPIC configuration the regulated output voltage can be above, below or equal to the input voltage. The LTM8045 includes power devices, inductors, ...

Circuit 

 

DC1533A - LTM8045 Demo Board | Inverting/SEPIC μModule Converter, 2.8V ≤ VIN ≤ 18V, Vout = 5V or -5V @ Up to 700mA

Jan 23rd 2013
Demo circuit DC1533A features the LTM®8045, an inverting/ SEPIC μModule converter delivering up to 700mA of output current. DC1533A is configured as an inverting converter, but can be easily changed to a SEPIC configuration for non-inverting step-up or step-down functionality. The user adjustable features of the LTM8045 ...

Demo Board LTspice 

 

LTM4641 Negative Output Application. Delivering –5.2VOUT at Up to 10A, from Up to 32.8VIN

Oct 15th 2012
The LTM®4641 is a switch mode step-down DC/DC μModule® (micromodule) regulator with advanced input and load protection features. Trip detection thresholds for the following faults are customizable: input undervoltage, overtemperature, input overvoltage and output overvoltage. Select fault conditions can be set for ...

Circuit 

 

LT3959 2.5V to 5V Input, –5V Output Inverting Converter

Jul 16th 2012
The LT®3959 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 

 

DC1793A - LTC3260EMSE Demo Board | Low Noise Dual Supply Inverting Charge Pump Plus ±LDO, 4.5V ≤ VIN ≤ 32V, Vout = ±3.3V/±5V/±12V/±24V/±Adj @ ±50mA

May 30th 2012
Demonstration circuit 1793A is a high voltage inverting charge pump with low noise dual-polarity LDO regulators featuring the LTC®3260EMSE. The LTC3260 operates with an input voltage from 4.5V to 32V. The demo board provides selectable LDO± output set magnitudes of 3.3V, 5V, 12V and 24V for each polarity. Additional ...

Demo Board LTspice 

 

LT8611 –3.3V Negative Converter with 1A Output Current Limit

May 18th 2012
The LT8611 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 2.5μA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. The built-in current sense amplifier with monitor and ...

Circuit LTspice 

 

LTM8029 –12V Inverting uModule Converter

Mar 21st 2012
The LTM®8029 is a 36VIN, 600mA step-down μModule® converter with 5μA quiescent current. It is an adjustable frequency buck switching regulator that consumes only 5μA of quiescent current. The LTM8029 can accept an input as high as 36VIN and operates at low input voltages due to its off-time skipping capability. ...

Circuit 

 

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