BL0202C
BL0202C is High Efficiency manufactured by Sanken.
High Efficiency For LED Backlight 2ch LED Driver IC
BL0200 Series
General Descriptions
BL0200 series are 2ch output LED driver IC for LED backlight, and it can do dimming to 0.02 % by external PWM signal.
This IC realizes a high efficiency by the boost convertor control that absorbs variability on VF.
The product easily achieves high cost-performance LED drive system with few external ponents and enhanced protection functions.
Package
SOP18
Features and Benefit
Boost convertor
- Current-Mode type PWM Control
- PWM frequency is 100 k Hz o r 200 k Hz
- Maximum On Duty is 90 %
LED current control
- Individual PWM Dimming Control
- Analog Dimming
- High contrast ratio is 1 / 5000
- Accuracy of Reg output voltage is ± 1.5 % or ± 2 %
Protection functions
- Enable Function of IC (BL0202B, BL0202C)
- Error Signal Output (BL0200C)
- Overcurrent Protection for Boost Circuit (OCP)
----------------------------------------------Pulse-by-pulse
- Overcurrent Protection for LED Output (LED_OCP)
----------------------------------------------Pulse-by-pulse
- Overvoltage Protection (OVP) ----------- Auto restart
- Output Open/Short Protection ------------ Auto restart
- Thermal Shutdown (TSD)----------------- Auto restart
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