A8131
LED BACKLIGHT DRIVER
AiT Semiconductor Inc.
www.ait-ic.com
PWM/PFM AUTOMATIC CONTROLLED DC-DC CONVERTERS
TYPICAL PERFORMANCE CHARACTERISTICS
1.
3.
5.
Efficiency vs. LED Current, VF=3.5V
2.
4.
6.
LED Current vs. Input Voltage VIN=5V, VF=3.5V
LED Current vs. PWM Duty VIN=5V, VF=3.5V
Quiescent Current vs. Input Voltage
RON of power MOS vs. VIN
Voltage ripple of LED+, VIN=5V, ILED=200mA
REV1.1
- JAN 2014 RELEASED, AUG 2017 UPDATED -
- 4 -