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Solutions Search - Inductorless (Charge Pump) DC/DC Converters

DC2466A - LTC3246 Demo Board | Wide VIN Range Buck-Boost Charge Pump with Watchdog Timer

Aug 4th 2017
Demonstration circuit 2466A is a buck-boost 500mA charge pump with pin selectable output voltages and includes a watchdog timer featuring the LTC®3246EMSE. The LTC3246 operates with a wide input voltage range from 2.7V to 38V and is engineered for diagnostic coverage for ISO 262262 compliant systems. The wide VIN operating ...

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 

 

LTC7820 High Efficiency 48V to 12V, 20A Voltage Divider

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 

 

LTC7820 High Efficiency 24V to 12V, 15A Voltage Divider with Disconnect FET at Output

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 

 

72V Fixed-Ratio DC/DC Controller Eliminates Power Inductor & Delivers 500W in Non-Isolated Intermediate Bus Converter Applications

Jun 20th 2017
MILPITAS, CA and NORWOOD, MA – June 20, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC7820, a high power fixed ratio charge pump DC/DC controller that eliminates the power inductor in a non-isolated intermediate bus converter, allowing up to a ...

Press Release 

 

2.7V to 38V/500mA Low Noise Buck-Boost Charge Pump Saves Space and Reduces EMI

Jun 12th 2017
MILPITAS, CA and NORWOOD, MA – June 12, 2017 – Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC3246, a compact, low noise buck-boost charge pump with integrated watchdog timer capable of up to 500mA of output current. The LTC3246 uses multimode switched capacitor conversion ...

Press Release 

 

DC2543A - LTC7820EUFD Demo Board | 2:1 Step-Down Charge Pump, 36V ≤ VIN ≤ 60V, VOUT = 0.5VIN @ Up to 20A

May 18th 2017
Demonstration circuit 2543A is a high efficiency, high density, open loop charge pump (inductorless) DC/DC converter. This demo board is a voltage divider which achieves a 2:1 step-down ratio from an input voltage from 36V to 60V. The output voltage is a fixed ratio of half of the input voltage (VIN/2) and can supply a 10A load ...

Demo Board 

 

Low Noise Power Supplies Come in Many Flavors: Part 2 - Charge Pump Solutions

Kevin B. Scott - Senior Strategic Marketing Engineer
Amit Lele - Senior Design Engineer
Mar 23rd 2017
Charge pump solutions are often thought to be too noisy for low noise applications. Engineers associate charge pump power supplies with peak-to-peak noise levels in the 20mV to 200mV range. Linear Technology's latest family of regulated charge pump plus linear regulator power supply solutions are inductorless, small size, low ...

Blog Post 

 

Clever Circuit Improves Efficiency of Charge Pump Plus Linear Regulator Solution

Martin Merchant - Sr. Applications Engineer
Kevin B. Scott - Senior Strategic Marketing Engineer
Oct 4th 2016
In some systems, a charge pump plus linear regulator combination is preferred over an inductor-based switching power supply (with or without a post-regulating linear regulator) for several reasons: design simplicity, less radiated EMI, inductor-phobia, etc. For these applications, Linear Technology has a growing number ...

Blog Post 

 

DC2375A - LTC3256 Demo Board | Dual Output Step-Down Charge Pump Plus LDO, 5.5V ≤ VIN ≤ 38V, Vout1 = 5V @ 100mA, Vout2 = 3.3V @ 250mA

Sep 20th 2016
Demonstration Circuit 2375A is a dual output 350mA step down charge pump with a post-regulator LDO and watchdog timer featuring the LTC®3256EMSE. The LTC3256 operates with a wide input voltage range from 5.5V to 38V and is engineered for diagnostic coverage in ISO262262 systems. The LTC3256 can provide up to 350mA of output ...

Demo Board 

 

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 

 

LTC3200 Lithium-Ion Battery to 5V White or Blue LED Driver

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 

 

LTC3221 Micropower, Regulated 5V or 3.3V Charge Pump in 2 x 2 DFN

Sep 12th 2016
The LTC3221 family are micropower charge pump DC/DC converters that produce a regulated output at up to 60mA. The input voltage range is 1.8V to 5.5V. Extremely low operating current (8μA typical at no load) and low external parts count (one flying capacitor and two small bypass capacitors at VIN and VOUT) make them ideally ...

Circuit 

 

LTC3245 High Efficiency 3.3V Microcontroller Supply from 9V Alkaline (with Power-On Reset Delay)

Sep 2nd 2016
The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ratio to ...

Circuit 

 

LTC3245 Wide Input Range Low Noise 3.6V Supply

Sep 2nd 2016
The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ratio to ...

Circuit 

 

LTC3245 Wide VIN 5V Supply with Battery Backup

Sep 2nd 2016
The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ratio to ...

Circuit 

 

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 

 

High Voltage Dual Output Step-Down Charge Pump Offers Lower Power Dissipation with No Inductors

Aug 11th 2016
MILPITAS, CA – August 11, 2016 – Linear Technology Corporation announces the LTC3256, a highly integrated, high voltage low noise dual output power supply, which takes a single positive input and generates 5V and 3.3V step-down supplies with high efficiency and no inductors. The device features a wide 5.5V to 38V ...

Press Release 

 

LTC3256 High Efficiency Dual 5V/3.3V Output Power Supply

Jul 29th 2016
The LTC3256 is a wide input range switched capacitor step-down DC/DC converter that produces two regulated outputs: a 5V output via direct connection to the charge pump output, and a 3.3V output via a low dropout (LDO) linear post-regulator. The device provides up to 350mA of total output current. At 12V VIN and maximum load ...

Circuit 

 

Spread Spectrum Frequency Modulation Reduces EMI

Kevin B. Scott - Senior Strategic Marketing Engineer
Greg Zimmer - Senior Product Marketing Engineer
Nov 4th 2015
Electromagnetic Radiation (EMR), Electromagnetic Interference (EMI) and Electromagnetic Compliance (EMC) are terms that pertain to energy from electrically charged particles and the associated magnetic fields that can potentially interfere with circuit performance and signal transmissions. With the proliferation of wireless ...

Blog Post 

 

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 

 

High Voltage Boost & Inverting Charge Pumps Deliver Low Noise Dual Outputs with Post-Regulating ±50mA LDOs

Aug 31st 2015
MILPITAS, CA - August 31, 2015 - Linear Technology Corporation announces the LTC3265, a high voltage, highly integrated, low noise dual output power supply which takes a single positive input supply (VIN_P) and generates low noise bipolar rails up to ±2•VIN_P without any inductors. The device includes a boost doubling charge pump, ...

Press Release 

 

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 

 

LTC3255 48VIN Fault-Protected 50mA Regulated Output Step-Down Charge Pump - Video Product Brief

Steve Knoth - Senior Product Marketing Engineer Nov 18th 2014
The LTC®3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current limits. ...

Video 

 

LTC3245 2.7V to 38VIN, 250mA Buck-Boost Charge Pump - Video Product Brief

Steve Knoth - Senior Product Marketing Engineer Oct 15th 2014
The LTC3245 is a switched capacitor buck-boost DC/DC converter that produces a regulated output (3.3V, 5V or adjustable) from a 2.7V to 38V input. The device uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage. Internal circuitry automatically selects the conversion ratio ...

Video 

 

Altera Cyclone III LS FPGA Development Kit

Jun 10th 2014
The Altera Cyclone III LS FPGA Development Kit combines the largest density, low-power FPGA available with a complete suite of security features implemented at the silicon, software, and intellectual property (IP) levels. These security features provide passive and active protection of your IP from tampering, ...

Circuit 

 

DC2041A - LTC3255EMSE Demo Board | -52V/60V Fault-Protected Step-Down Charge Pump, 4V ≤ VIN ≤ 48V, Vout = 2.5V/3.3V/5V/12V/Adj @ 50mA

Oct 3rd 2013
Demonstration circuit 2041A is a regulated output voltage switched-capacitor step-down power supply featuring the 50mA output LTC®3255. When VIN exceeds VOUT by more the 2:1, a 2:1 step-down architecture is used to efficiently regulate the output voltage, reducing the input current needed. As VIN reduces below twice VOUT, ...

Demo Board 

 

60V Fault-Protected, 50mA Step-Down Charge Pump Provides Regulated Output with Input Current Doubling

Sep 25th 2013
MILPITAS, CA – September 25, 2013 – Linear Technology Corporation announces the LTC3255, a versatile high voltage step-down switched capacitor converter that delivers up to 50mA of output current. In applications where the input voltage exceeds twice the output voltage, a charge pump offers nearly twice the efficiency of ...

Press Release 

 

LTC3255 3.3V@7.4mA DC Supply from 4mA to 20mA Current Loop

Sep 16th 2013
The LTC3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current limits. At no ...

Circuit 

 

LTC3255 Wide Input Range 12V Charge Pump Supply

Sep 16th 2013
The LTC®3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current limits. At ...

Circuit 

 

LTC3255 Wide Input Range 5V Microcontroller Supply (with Power-On Reset Delay)

Sep 16th 2013
The LTC®3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current limits. At ...

Circuit 

 

LTC3255 5V@7mA Supply from 4mA to 20mA Current Loop

Sep 16th 2013
The LTC3255 is a switched-capacitor step-down DC/DC converter that produces a regulated output (2.4V to 12.5V adjustable) from a 4V to 48V input. In applications where the input voltage exceeds twice the output voltage, 2:1 capacitive charge pumping extends output current capability beyond input supply current limits. At no ...

Circuit 

 

250mA Wide VIN Range Buck-Boost Charge Pump with Low Noise Now Offered in High Reliability, MP-Grade Temperature Range

Aug 20th 2013
MILPITAS, CA – August 20, 2013 – Linear Technology Corporation announces a new high reliability MP-grade, wider temperature range version of the LTC3245, a versatile 250mA high voltage buck-boost charge pump. The MP grade has an operating junction temperature range of -55°C to +150°C. The LTC3245 uses switched capacitor fractional ...

Press Release 

 

DC1802A - LTC3245EMSE Demo Board | Buck-Boost Charge Pump, 2.7V ≤ VIN ≤ 38V, Vout = 1.2V/3.3V/5V @ 250mA

Mar 21st 2013
Demonstration circuit DC1802A is a wide VIN range, low noise, 250mA buck-boost charge pump featuring the LTC®3245EMSE. It has an input supply range of 2.7V to 38V and provides a jumper-selectable 5V, 3.3V, or adjustable output (set to 1.2V) at 250mA. ...

Demo Board 

 

250mA Wide VIN Range Buck-Boost Charge Pump Offers Low Conducted and Radiated Noise

Mar 19th 2013
MILPITAS, CA – March 19, 2013 – Linear Technology Corporation announces the LTC3245, a versatile 250mA high voltage buck-boost charge pump. The LTC3245 uses switched capacitor fractional conversion to maintain regulation over a wide range of input voltage from 2.7V to 38V and produces a regulated output of 3.3V, 5V or adjustable ...

Press Release 

 

DC174A-A - LTC1517CS5-5 Demo Board | MICROPOWER REGULATED 5V CHARGE PUMP DC/DC CONVERTER

Jan 16th 2013
...

Demo Board 

 

High Voltage Inverting Charge Pump Produces Low Noise Positive and Negative Supplies

Martin Merchant - Sr. Applications Engineer Oct 1st 2012
Introduction Dual-polarity supplies are commonly needed to operate electronics such as op amps, drivers, or sensors, but there is rarely a dual-polarity supply available at the point of load. The LTC®3260 is an inverting charge pump (inductorless) DC/DC converter with dual low noise LDO regulators that can produce positive ...

Blog Post 

 

DC1882A - LTC3261EMSE Demo Board | High Voltage, Low Iq Inverting Charge Pump, 4.5V ≤ VIN ≤ 32V, Vout = -VIN @ 100mA

May 30th 2012
Demonstration circuit 1882 is a high voltage inverting charge pump featuring the LTC®3261EMSE. The LTC3261 operates with an input voltage from 4.5V to 32V and provides up to 100mA of output current. The output voltage is unregulated and is the negative of the input voltage (-VIN). The demo board provides selectable Burst ...

Demo Board 

 

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 

 

High Voltage Inverting Charge Pumps Offer Low Input & Output Ripple

May 9th 2012
MILPITAS, CA – May 9, 2012 – Linear Technology Corporation announces the LTC3260 and LTC3261 versatile high voltage charge pumps. The LTC3261 is a high voltage inverting charge pump that can deliver up to 100mA of output current. The LTC3260 has the same charge pump as the LTC3261, but also includes both positive and negative ...

Press Release 

 

LTC3260 28V Dual Tracking Bipolar Supply with Outputs from ±5V to ±25V

Apr 16th 2012
The LTC3260 is a low noise dual polarity output power supply that includes an inverting charge pump with both positive and negative LDO regulators. The charge pump operates over a wide 4.5V to 32V input range and can deliver up to 100mA of output current. Each LDO regulator can provide up to 50mA of output current. The negative ...

Circuit 

 

LTC3260 Low Noise ±12V Power Supply from a Single-Ended 15V Input Supply

Apr 16th 2012
The LTC3260 is a low noise dual polarity output power supply that includes an inverting charge pump with both positive and negative LDO regulators. The charge pump operates over a wide 4.5V to 32V input range and can deliver up to 100mA of output current. Each LDO regulator can provide up to 50mA of output current. The negative ...

Circuit LTspice 

 

LTC3260: Low Noise ±5V Power Supply from a Single 12V Input

Apr 16th 2012
Dual-polarity supplies are commonly needed to operate electronics such as op amps, drivers, or sensors, but there is rarely a dual-polarity supply available at the point of load. The LTC®3260 is an inverting charge pump (inductorless) DC/DC converter with dual low noise LDO regulators that can produce positive and negative ...

Circuit LTspice 

 

Universal LED Driver Features 360mA Output Current, Independent Control Of 18 LEDs with Low Noise and up to 91% Efficiency

Jan 15th 2008
MILPITAS, CA – January 15, 2008 – Linear Technology Corporation announces the LTC3220/-1, an inductorless, low noise, high efficiency LED driver for cell phone displays and other programmable lighting applications. The IC provides 18 individually configurable LED current sources for complete flexibility in programming multiple ...

Press Release 

 

DC1265A-A - LTC3220EPF Demo Board | 18-LED Boost Charge Pump LED Driver, 2.9V ≤ VIN ≤ 5.5V, VLED up to 5V @ 20mA per LED (DC590 req)

Jan 3rd 2008
Demonstration circuit 1265 is a 360mA (20mA per LED) Universal 18-Channel LED Driver with twelve white LEDs and two RGB LEDs featuring the LTC3220/LTC3220-1. The LTC3220/LTC3220-1 is a low noise boost charge pump designed to drive 18 universal LED (ULED) current sources. The charge pump automatically switches between 1x, 1.5x ...

Demo Board QuikEval System 

 

DC1265A-B - LTC3220EPF-1 | 360mA general purpose LED driver (req. DC590)

Jan 3rd 2008
Demonstration circuit 1265 is a 360mA (20mA per LED) Universal 18-Channel LED Driver with twelve white LEDs and two RGB LEDs featuring the LTC3220/LTC3220-1. The LTC3220/LTC3220-1 is a low noise boost charge pump designed to drive 18 universal LED (ULED) current sources. The charge pump automatically switches between 1x, 1.5x ...

Demo Board QuikEval System 

 

Five-Output 25mA/LED Driver with Two LDOs Operates Down to 2.7V

Sep 12th 2007
MILPITAS, CA – September 12, 2007 – Linear Technology Corporation announces the LTC3230, an integrated white LED driver with dual LDO regulators for driving Main and Sub LED displays and supplying low-voltage system rails in portable electronic devices, all in a compact 3mm x 3mm QFN package. The LTC3230 drives up to five ...

Press Release 

 

DC1217A - LTC3230EUD | 5-LED Main/Aux Drv + Dual LDO in 3x3 QFN

Aug 27th 2007
DC1217A - Demo Board for:LTC3230 - 5-LED Main/Sub Display Driver with Dual LDO ...

Demo Board QuikEval System 

 

250mA Universal Cell Phone LED Driver Drives 9 LEDs With Low Noise and 91% Efficiency

Aug 7th 2007
MILPITAS, CA - August 7, 2007 - Linear Technology Corporation announces the LTC3219, an inductorless, low noise, high efficiency LED driver for cell phone displays and lighting. The IC provides nine individually configurable current sources for Main, Sub and RGB displays. Display currents are set via a precision internal current ...

Press Release 

 

DC1055A - LTC3219EUD Demo Board | 9-Channel Charge Pump LED Driver, 2.9V ≤ VIN ≤ 5.5V, VLED = up to 5V @ 28mA per LED (DC590 req)

Jul 25th 2007
Demonstration circuit 1055 is a 250mA Universal Nine Channel Multimode (1x, 1.5x, 2x) Charge Pump LED Driver with two RGB displays and three white LEDs featuring the LTC3219. The LTC3219 is a low noise charge pump designed to drive nine universal LED current sources. The input voltage range is 2.9V to 5.5V. Each channel provides ...

Demo Board QuikEval System 

 

Universal Cell Phone LED/CAM Driver Features 600mA Total Output Current & 92% Efficiency

Apr 16th 2007
MILPITAS, CA - April 16, 2007 - Linear Technology Corporation announces the LTC3207, an inductorless, low noise, high efficiency LED/CAM driver for cell phone displays and lighting. The IC provides 12 individually configurable current sources for Main, Sub, RGB, Auxiliary or general purpose (GPO) displays/lights/outputs, plus ...

Press Release 

 

DC1039A-A - LTC3207EUF Demo Board | 600mA Multi-Output LED/Camera LED Driver

Mar 23rd 2007
DC1039A-A - Demo Board for:LTC3207 - 600mA Universal Multi-Output LED/CAM Driver ...

Demo Board QuikEval System 

 

DC1039A-B - LTC3207EUF-1 Demo Board | 600mA Multi-Output LED/Camera LED Driver

Mar 23rd 2007
DC1039A-B - Demo Board for:LTC3207 - 600mA Universal Multi-Output LED/CAM Driver ...

Demo Board QuikEval System 

 

DC1187A - LTC3212EDDB | RGB LED Driver & Charge Pump, 2.7V ≤ VIN ≤ 5.5V, VLED up to 5V @ 25mA (x3) (DC590 Req)

Mar 19th 2007
Demonstration circuit 1187 is an RGB LED Driver and Charge Pump featuring the LTC3212. The LTC3212 is a low noise boost charge pump capable of driving three LEDs at up to 25mA each. The charge pump operates in either 1x or 2x mode, with automatic mode switching. Individual current sources allow each LED to be turned on individually, ...

Demo Board QuikEval System 

 

Inductorless Multi-Mode LED Driver Delivers 400mA in 6mm2

Feb 22nd 2007
MILPITAS, CA - February 22, 2007 - Linear Technology Corporation announces the LTC3218, an inductorless high current white LED driver that delivers up to 400mA of LED current. Its multi-mode architecture automatically switches between 1x or 2x boost modes, monitoring the voltage across the LED current source and switching modes ...

Press Release 

 

DC1030A - LTC3218EDDB Demo Board | Boost Charge Pump Camera LED Driver, 2.9V ≤ VIN ≤ 4.5V, VLED up to 4.5V @ 400mA

Feb 8th 2007
Demonstration circuit 1030 is a 400mA Single Wire Charge Pump Camera LED Driver featuring the LTC3218. This circuit provides 50mA of continuous torch current and two flash current levels, 300mA and 400mA. The LTC3218 has a built-in 2-second flash timer to protect the LED in case of faults during flash mode. The demo board ...

Demo Board 

 

Ultralow IQ Regulated 60mA Step Up Charge Pump in 2mm x 2mm DFN Package

Nov 7th 2006
MILPITAS, CA - November 7, 2006 - Linear Technology Corporation announces the LTC3221/-3.3/-5 regulated step up charge pumps offered in the compact 2mm x 2mm DFN package. Featuring 60mA output current and Burst Mode® operation, the LTC3221 family consumes an ultra-low quiescent current of 8uA, saving battery run time in portable ...

Press Release 

 

DC862A-A - LTC3221EDC-3.3 Demo Board | Micropower Regulated Charge Pump, 1.8V ≤ VIN ≤ 4.4V, Vout = 3.3V @ Up to 60mA

Oct 13th 2006
Demonstration circuit 862 is a micropower regulated charge pump DC/DC converter featuring the 60mA output LTC3221 in a 2mmx2mm DFN package. It comes in three assembly versions, DC862A-A, DC862A-B and DC862A-C, featuring the LTC3221EDC-3.3 (fixed 3.3V output), the LTC3221EDC-5 (fixed 5V output) , and LTC3221EDC (adjustable output ...

Demo Board 

 

DC862A-C - LTC3221EDC Demo Board | Micropower Regulated Adj Output Charge Pump, 1.8V ≤ VIN ≤ 3.8V, Vout = 3V @ Up to 60mA

Oct 13th 2006
Demonstration circuit 862 is a micropower regulated charge pump DC/DC converter featuring the 60mA output LTC3221 in a 2mmx2mm DFN package. It comes in three assembly versions, DC862A-A, DC862A-B and DC862A-C, featuring the LTC3221EDC-3.3 (fixed 3.3V output), the LTC3221EDC-5 (fixed 5V output) , and LTC3221EDC (adjustable output ...

Demo Board 

 

DC862A-B - LTC3221EDC-5 Demo Board | Micropower Regulated Charge Pump, 2.7V ≤ VIN ≤ 5.5V, Vout = 5V @ Up to 60mA

Oct 13th 2006
Demonstration circuit 862 is a micropower regulated charge pump DC/DC converter featuring the 60mA output LTC3221 in a 2mmx2mm DFN package. It comes in three assembly versions, DC862A-A, DC862A-B and DC862A-C, featuring the LTC3221EDC-3.3 (fixed 3.3V output), the LTC3221EDC-5 (fixed 5V output) , and LTC3221EDC (adjustable output ...

Demo Board 

 

500mA Low Noise, High Efficiency Dual Mode Charge Pumps in 3mm x 3mm DFN Package

May 30th 2006
MILPITAS, CA - May 30, 2006 - Linear Technology Corporation announces the LTC3203-1/B/B-1 mode-selectable, high efficiency 500mA step-up charge pumps, offered in a compact 3mm x 3mm DFN package. Featuring low-noise constant-frequency (1MHz) operation and a wide input voltage range of 2.7V to 5.5V, the LTC3203B provides an adjustable ...

Press Release 

 

DC863A-B - LTC3203-1 Demo Board | Regulated Boost Charge Pump, 2.7V ≤ VIN ≤ 5.5V, Vout = 4.5V or 5V @ Up to 500mA

May 3rd 2006
Demonstration circuit 863 is a high efficiency regulated boost charge pump converter that exercises the 500mA low noise LTC3203 in the 3mm x 3mm DFN package. It comes with three assembly versions, DC863A-A (3.3V output), DC863A-B (4.5V or 5V output) and DC863A-C (4.5V or 5V output) , featuring the LTC3203B, LTC3203-1, and LTC3203B-1 ...

Demo Board LTspice 

 

DC863A-A - LTC3203B Demo Board | Regulated Boost Charge Pump, 2.7V ≤ VIN ≤ 4V, Vout = 3.3V @ Up to 500mA

May 3rd 2006
Demonstration circuit 863 is a high efficiency regulated boost charge pump converter that exercises the 500mA low noise LTC3203 in the 3mm x 3mm DFN package. It comes with three assembly versions, DC863A-A (3.3V output), DC863A-B (4.5V or 5V output) and DC863A-C (4.5V or 5V output) , featuring the LTC3203B, LTC3203-1, and LTC3203B-1 ...

Demo Board LTspice 

 

DC863A-C - LTC3203B-1 Demo Board | Regulated Boost Charge Pump, 2.7V ≤ VIN ≤ 5.5V, Vout = 4.5V or 5V @ Up to 500mA

May 3rd 2006
Demonstration circuit 863 is a high efficiency regulated boost charge pump converter that exercises the 500mA low noise LTC3203 in the 3mm x 3mm DFN package. It comes with three assembly versions, DC863A-A (3.3V output), DC863A-B (4.5V or 5V output) and DC863A-C (4.5V or 5V output) , featuring the LTC3203B, LTC3203-1, and LTC3203B-1 ...

Demo Board 

 

Regulated 2.5V and 3.3V 150mA Buck-Boost Charge Pumps in 2x2 DFN Package

Apr 24th 2006
MILPITAS, CA - April 24, 2006 - Linear Technology Corporation announces the LTC3240-2.5/3.3, versatile regulated buck-boost charge pumps in a 2mm x 2mm DFN package. The LTC3240-2.5/3.3 are capable of output currents as high as 150mA from a wide ranging input of 1.8V to 5.5V. When the input voltage exceeds the output voltage, ...

Press Release 

 

DC903A-B - LTC3240EDC-2.5 Demo Board | Regulated Buck-Boost Charge Pump, 1.8V ≤ VIN ≤ 5.5V, Vout = 2.5V @ Up to 150mA

Apr 13th 2006
Demonstration circuit 903 is a step-up/step-down charge pump dc-dc converter. It comes with two assembly versions, DC903A-A and DC903A-B featuring the 150mA output current LTC3240-3.3 (3.3V output) and LTC3240-2.5 (2.5V output) respectively, each in a tiny 2mm x 2mm DFN package. The DC903A-A and DC903A-B operate with an input ...

Demo Board LTspice 

 

DC903A-A - LTC3240EDC-3.3 Demo Board | Regulated Buck-Boost Charge Pump, 1.8V ≤ VIN ≤ 5.5V, Vout = 3.3V @ Up to 150mA

Apr 13th 2006
Demonstration circuit 903 is a step-up/step-down charge pump dc-dc converter. It comes with two assembly versions, DC903A-A and DC903A-B featuring the 150mA output current LTC3240-3.3 (3.3V output) and LTC3240-2.5 (2.5V output) respectively, each in a tiny 2mm x 2mm DFN package. The DC903A-A and DC903A-B operate with an input ...

Demo Board LTspice 

 

Main/Camera Cell Phone LED Driver Features 500mA Total Output Current & 95% Efficiency

Feb 7th 2006
MILPITAS, CA - February 7, 2006 - Linear Technology Corporation announces the LTC3210, a highly integrated, 800kHz, low noise, high efficiency 1x/1.5x/2x multimode charge pump for driving Main and Camera LEDs in cellular phones. It provides 5 LED current sources at up to 500mA of total output current: a 4x25mA LED Main display, and ...

Press Release 

 

Cell Phone LED Driver for Main, Camera & Auxiliary LEDs Feature 600mA Total Output Current & 94% Efficiency

Jan 18th 2006
MILPITAS, CA - January 18, 2006 - Linear Technology Corporation announces the LTC3209-1 and LTC3209-2, highly integrated, 850kHz, low noise, high efficiency 1x/1.5x/2x multimode charge pumps for driving Main, Camera and Auxiliary LED displays in cellular phones. They can each drive up to 8 LED current sources at up to 600mA ...

Press Release 

 

DC880A - LTC3209EUF-2 Demo Board

Dec 27th 2005
DC880A - Demo Board for:LTC3209 - 600mA Main/Camera LED Controller ...

Demo Board QuikEval System 

 

DC881A - LTC3209EUF-1 Demo Board

Dec 27th 2005
DC881A - Demo Board for:LTC3209 - 600mA Main/Camera LED Controller ...

Demo Board QuikEval System 

 

600mA Cell Phone Camera LED Driver Features Low Noise and 92% Efficiency

Dec 21st 2005
MILPITAS, CA - December 21, 2005 - Linear Technology Corporation announces the LTC3217, a 850kHz, high efficiency 1x/1.5x/2x multimode charge pump for driving multiple high current LEDs in cellular phone camera applications. Utilizing constant-frequency operation for low noise, it can drive up to 4 LED current sources at up ...

Press Release 

 

DC1071A-B - LTC3210EUD-3 Demo Board

Nov 28th 2005
DC1071A-B - Demo Board for:LTC3210-2/LTC3210-3 - MAIN/CAM LED Controllers with 32-Step Brightness Control in 3mm × 3mm QFN ...

Demo Board QuikEval System 

 

DC1071A-A - LTC3210EUD-2 Demo Board

Nov 28th 2005
DC1071A-A - Demo Board for:LTC3210-2/LTC3210-3 - MAIN/CAM LED Controllers with 32-Step Brightness Control in 3mm × 3mm QFN ...

Demo Board QuikEval System 

 

DC914B - LTC3210EUD | Main/CAM LED Controller (Req. DC590)

Nov 28th 2005
DC914B - Demo Board for:LTC3210 - MAIN/CAM LED Controller in 3mm × 3mm QFN ...

Demo Board QuikEval System 

 

DC1022A - LTC3210EUD-1 | Main /CAM LED Controller; Requires DC590 Board

Nov 28th 2005
DC1022A - Demo Board for:LTC3210-1 - MAIN/CAM LED Controller with 64-Step Brightness Control in 3mm x 3mm QFN ...

Demo Board QuikEval System 

 

DC909A - LTC3217EUD | 600mA, Low Noise Camera Light Charge Pump

Nov 10th 2005
DC909A - Demo Board for:LTC3217 - 600mA Low Noise Multi-LED Camera Light Charge Pumps ...

Demo Board 

 

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