APW7228B controller equivalent, 4-channel led backlight controller.
General Description
* 4 Channels
* 5.5V to 30V Input Voltage Supply
* Drive up to 68 (17x4) White LEDs
The APW7228B is a high efficiency driver for 4 chann.
* NB LED Backlight
* LCD Monitor Backlight
* LCD TV LED Backlight
Simplified Application Circuit
VIN
VOUT.
* 4 Channels
* 5.5V to 30V Input Voltage Supply
* Drive up to 68 (17x4) White LEDs
The APW7228B is a high efficiency driver for 4 channels of LEDs. It contains an adjustable-frequency currentmode PWM step-up controller, a 5V linear regu.
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