AS1111 Overview
Description
The AS1111A/AS1111B/AS1111C are LED drivers designed to match current source bias for any color LED, including white and blue. The devices can drive up to 4 high-current LEDs, and the LED current is programmable using an external resistor (RSET).
Key Features
- Ultra Low Voltage Drop: less than 150mV
- Analog and PWM Brightness Control
- Up to 80mA per LED (AS1111A)
- Up to 40mA per LED (AS1111B, AS1111C)
- Active-Low Shutdown Mode
- Low Shutdown Current: less than 1μA
- No electromagnetic interference
- No switching noise
- Less external components needed
- 6-pin WL-CSP with 0.4mm pitch
