L99LD01
L99LD01 is High efficiency constant current LED driver manufactured by STMicroelectronics.
Features
LQFP32 7x7 mm
GAPG1506151117CFT
Max VBATT
Operation supply battery voltage VBATT
Oscillator frequency range
40 V 5.6
- 24 V 100
- 500 k Hz
- Automotive qualified
- Constant current operation
- Current LED settable by external sensing resistor and adjustable via SPI
- Converter switching frequency adjustable by external resistor (RSF)
- EMC reduction by internal spread spectrum dither oscillator
- Low frequency PWM dimming operation.
- Maximum input current limiter
- Maximum switching duty cycle limiter
- Slope pensation adjustable by external resistor (R9)
- Battery overvoltage shut down protection (ext. R3, R4 resistors required)
- Led chain OV detection (ext. R5, R6)
- Multiplexed output for monitoring and control of LED temperature (external NTC resistor required), voltage of LED chain, and low frequency PWM
- SPI munication...
