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Maxim > Solutions > Cellular Handsets

White LED Drivers

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF Evaluation Kit for the MAX8821
MAX8821EVKIT

QV  PDF Evaluation Kit for the MAX8678
MAX8678EVKIT

QV  PDF White LED Charge Pump with Mono Class D Audio Amp and Dual LDO
MAX8821

Industry's First LED Charge Pump with Integrated Audio Amplifier and 2 LDOs Providing Space Savings and Highest Efficiency
QV  PDF LED Light Management IC in 2.5mm x 2.5mm UCSP
MAX8830

White LED and Flash LED management in a small 2.5mm x 2.5mm package
QV  PDF White LED Charge Pump with 1.1W Audio Amplifier
MAX8678

Industry’s First LED Charge Pump with Integrated Audio Amplifier Saves 50% PCB Area While Providing Highest Efficiency
QV  PDF Ultra-Efficient Charge Pumps for Six White/RGB LEDs in 3mm x 3mm Thin QFN
MAX8647, MAX8648

Achieves Industry's Highest Efficiency Using the Industry's First Negative Charge Pump Driving Six White/RGB LEDs Independently
QV  PDF 1MHz PWM Boost Converter for 1.5A White LED Camera Flash
MAX8607

Highest Current, White LED, Step-Up DC-DC for the Brightest Camera Flash Delivers 1.5A Regulated Current with Up to 84% Efficiency
QV  PDF 1x/1.5x/2x White LED Charge Pump with Two LDOs in 4mm x 4mm Thin QFN
MAX8631X, MAX8631Y

QV  PDF 1.2A White LED Regulating Charge Pump for Camera Flashes and Movie Lights
MAX1577Y, MAX1577Z

Highest Current, 1.2A, Charge Pumps Enable Brightest WLED Flashes in Camera Phones, Even with Low-Battery Input Voltage



Key Specifications:   White LED Drivers
Part Number Topology Max. No. of LEDs Configuration Dimming Control VDROPOUT (typ) (mV) VCURR_SENSE (mV) POUT (W) IMAX per LED (mA) Min. VIN (V) Max. VIN (V) ICC (max) (mA) Max. VOUT (V) Fixed Freq. Operating Freq. (kHz) Soft Start Internal Power Switch(es) Shutdown Open LED Protection Camera Flash LED Temp. Derating EV-Kit Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX8821  Charge Pump 6 Parallel Digital
I2C Serial
72  -  0.6 25 2.7 5.5 0.12 5.5 Yes 1000 No Yes Yes Yes No Yes No THIN QFN/28 17 -40 to +85
MAX8647  Charge Pump 6 Parallel I2C Serial  -   -  0.6 24 2.7 5.5 0.1 5 Yes 1000 Yes Yes Yes Yes No Yes Yes THIN QFN/16 10 -40 to +85
MAX8648  Charge Pump 6 Parallel Serial Pulse  -   -  0.6 24 2.7 5.5 0.2 5 Yes 1000 Yes Yes Yes Yes No Yes Yes THIN QFN/16 10 -40 to +85
MAX8678  Charge Pump 4 Parallel Serial Pulse  -   -  0.4 244 2.7 5.5 0.2 5 Yes 1000 Yes Yes Yes Yes No No No THIN QFN/16 10 -40 to +85
MAX8830  Inductor Based 5 Parallel I2C Serial 75 30 1.5 200 2.7 5.5 7.5 5.2 Yes 1000 Yes Yes Yes Yes Yes No No WLP/16 6 -40 to +125
MAX8607  Inductor Based
Linear Current Regulator
1 Parallel Digital  -   -  6 1500 2.7 5.5 4 5.5 Yes 1000 Yes Yes Yes Yes Yes Yes Yes THIN QFN (Dual)/14 10 -40 to +85
MAX8631  Charge Pump 8 Parallel Digital
PWM
Serial Pulse
 -   -  2.25 100 2.7 5.5 6 5 Yes 1000 Yes Yes Yes Yes Yes Yes Yes THIN QFN/28 17 -40 to +85
MAX1577  Charge Pump 40 Parallel Digital  -   -  5 1200 2.7 5.5 5 5.1 Yes 1000 Yes Yes Yes Yes Yes No Yes THIN QFN (Dual)/8 10 -40 to +85
See All White LED Drivers (42)



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