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Solutions Search - Inductorless (Charge Pump) LED Drivers

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 

 

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-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 

 

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 

 

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-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 

 

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 

 

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 

 

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 

 

DC881A - LTC3209EUF-1 Demo Board

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

Demo Board QuikEval System 

 

DC880A - LTC3209EUF-2 Demo Board

Dec 27th 2005
DC880A - 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-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 

 

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 

 

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 

 

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 

 

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 

 

DC824A - LTC3208 Demo Board | High Current I2C LED Driver

Aug 24th 2005
DC824A - Demo Board for:LTC3208 - High Current Software Configurable Multidisplay LED Controller ...

Demo Board QuikEval System 

 

LTC3214 - Inductorless Multi-Mode LED Charge Pump Delivers 500mA Output Current With Up to 94% Efficiency

Aug 18th 2005
MILPITAS, CA - August 18, 2005 - Linear Technology Corporation announces the LTC3214, a fractional charge pump, high current white LED driver that delivers up to 500mA of LED current. Its high efficiency multi-mode architecture automatically switches between 1x, 1.5x or 2x boost modes monitoring the voltage across the LED current ...

Press Release 

 

Five-Display Cell Phone LED Driver Features 1A Total Output Current & 95% Efficiency

Aug 10th 2005
MILPITAS, CA - August 10, 2005 - Linear Technology Corporation announces the LTC3208, a fully integrated, 850kHz, low noise, high efficiency 1x/1.5x/2x charge pump multi-display LED driver. It can drive up to 17 LED current sources: a 1-4 LED Main display, 1-2 LED Sub display, a 1-3 LED RGB display, a 1-4 Camera LED display, ...

Press Release 

 

DC902A-B - LTC3214EDD | Low Noise, High Current LED Flash Charge Pump, Vin = 2.9V - 4.4V, Lumimicro LED

Aug 4th 2005
DC902A-B - Demo Board for:LTC3214 - 500mA Camera LED Charge Pump ...

Demo Board 

 

DC902A-A - LTC3214EDD | Low Noise, High Current LED Flash Charge Pump, Vin = 2.9V - 4.4V, AOT LED

Aug 4th 2005
DC902A-A - Demo Board for:LTC3214 - 500mA Camera LED Charge Pump ...

Demo Board 

 

DC871A-A - LTC3215EDD | Low Noise, High Current LED Flash Charge Pump, VIN = 2.9V-4.4V, AOT

Feb 10th 2005
DC871A-A - Demo Board for:LTC3215 - 700mA Low Noise High Current LED Charge Pump ...

Demo Board 

 

DC871A-C - LTC3215EDD | Low Noise, High Current LED Flash Charge Pump, VIN = 2.9V-4.4V, LUM

Feb 10th 2005
DC871A-C - Demo Board for:LTC3215 - 700mA Low Noise High Current LED Charge Pump ...

Demo Board 

 

DC871A-B - LTC3215EDD | Low Noise, High Current LED Flash Charge Pump, VIN = 2.9V-4.4V, LUM

Feb 10th 2005
DC871A-B - Demo Board for:LTC3215 - 700mA Low Noise High Current LED Charge Pump ...

Demo Board 

 

DC805A - LTC3216EDE | Low Noise High Current LED Charge Pump

Dec 23rd 2004
DC805A - Demo Board for:LTC3216 - 1A Low Noise High Current LED Charge Pump with Independent Torch/Flash Current Control ...

Demo Board 

 

DC749A - LTC3206EUF | I2C Multidisplay LED Controller, Vin = 2.7V - 4.5V (requires DC590 Controller)

Jun 9th 2004
DC749A - Demo Board for:LTC3206 - I2C Multidisplay LED Controller ...

Demo Board QuikEval System 

 

DC629A - LTC3205EUF | Multidisplay LED Controller (requires DC590 Controller)

Mar 18th 2003
DC629A - Demo Board for:LTC3205 - Multidisplay LED Controller ...

Demo Board QuikEval System 

 

DC381A - LTC3201EMS | 100mA White LED (5) Power Supply

May 31st 2001
DC381A - Demo Board for:LTC3201 - 100mA Ultralow Noise Charge Pump LED Supply with Output Current Adjust ...

Demo Board 

 

DC395A - LTC3202EMS Demo Board | Fractional Charge Pump LED Driver, 6 Paralleled LEDs, 2.7V ≤ VIN ≤ 4.5V, VLED up to 4V @ 120mA

May 31st 2001
Demonstration Circuit 395A is a Low Noise, Charge Pump White LED Driver featuring the LTC3202. The LTC3202 is a fractional charge pump LED driver that operates from 2.7V to 4.5V (3.3V nominal) and provides up to 125mA of LED current. The demo board includes 6 white LEDs in parallel, supplying approximately 20mA ...

Demo Board 

 

DC633A - LTC3202EDD | High Efficiency White LED Driver

May 31st 2001
DC633A - Demo Board for:LTC3202 - Low Noise, High Efficiency Charge Pump for White LEDs ...

Demo Board 

 

DC366A - LTC3200EMS8 Demo Board | Regulated Charge Pump White LED Driver, 2.7V ≤ VIN ≤ 4.5V, IOUT Drives 6 Parallel LEDs

Nov 9th 2000
Demonstration Circuit 366A is a low noise constant frequency regulated charge pump featuring the 100mA output current LTC3200. The demo board accepts a 2.7V to 4.5V input voltage and drives six white LEDs in parallel, resulting in 16.6mA per LED. Ballast resistors are employed to provide more uniform light intensity fromr the ...

Demo Board