BL0202B
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
Not to scale
Lineup
Products BL0202C BL0202B BL0200C
Frequency 200 k Hz 100 k Hz
VREG Accuracy
± 1.5 %
Built-in Function
Enable Function of IC
200 k Hz ± 2 % Error Signal Output
Applications
- LED backlights
- LED...
