Feature
- Highly integrated feature set for a high brightness LED driver solution with minimal external components
- 4 current sink channels with an adjustable current from
- 125 μA to 500 mA
- Analog and pulse-width modulation (PWM) dimming inputs
- Analog and PWM LED current outputs
- 2% (maximum) matching between LED channels
- 5% (maximum) LED current accuracy
- Operates from VIN of 3 V to 30 V; higher voltages easily accomplished with an external Zener diode
- Operates with LED anode supply voltages up to 100 V dc
- Feedback output controls external power source for optimal efficiency and safety
- Multiple ADP8140 IC operation in parallel to control one power supply
- Integrated error amplifier for secondary side control of isolated power supplies
- Easy connection of a temperature thermistor or light sensor
- Provides robust protection of the entire system
- Power supply overvoltage protection
- LED overtemperature protection
- LED short-circuit protection
- LED open-circuit protection
- IC overtemperature protection
- Shorted ISET protection
- Open ISET and EN protection
- Standby mode for low current consumption
- Fault indicator output
- Small, thermally enhanced, LFCSP package (4 mm × 4 mm)
Applications
- High brightness LED lighting
- Large format LED backlighting
(Picture: Pinout)
