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G5904

Global Mixed-mode Technology
Part Number G5904
Manufacturer Global Mixed-mode Technology
Description Four Channel High Efficiency White LED Driver
Published Apr 24, 2018
Detailed Description Global Mixed-mode Technology Inc. G5904 Four Channel High Efficiency White LED Driver Features „ Dynamic 1x/2x Charge...
Datasheet PDF File G5904 PDF File

G5904
G5904

Overview
Global Mixed-mode Technology Inc.
G5904 Four Channel High Efficiency White LED Driver Features „ Dynamic 1x/2x Charge Pump Switching „ Up to 80mA (20mA/LED) Drive Capability „ 90% Average Efficiency „ 0.
5% (TYP) LED Current Matching „ Wide Current Range per LED [0.
1mA ~ 20mA] „ Single Wire EN/Brightness Control „ 2.
7V to 5.
5V Supply Voltage Range „ < 1µA Shutdown Current „ Output Over-voltage Protection „ Open/Short LED Protection „ Thermal Shutdown Protection „ TDFN2.
5X2.
5-10 and TQFN3X3-16 Package Applications „ Mobile Phones „ White LED Backlighting „ Camera Flash LED Lighting General Description The G5904 charge pump drives up to four white LEDs with regulated constant current for uniform intensity.
By utilizing dynamic 1x/2x charge-pump modes and ultra-low-dropout current regulators, it achieves high efficiency over the 1-cell lithium battery input voltage range.
The 250kHz fixed frequency switching allows for tiny external components, and the regulation scheme...


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