SC621A Overview
The SC621A is a high efficiency charge pump LED driver using Semtech’s proprietary mAhXLifeTM technology. Performance is optimized for use in single-cell Li-ion battery applications. The charge pump provides backlight current in conjunction with four matched current sinks.
SC621A Key Features
- Charge Pump, 4 LEDs, 400mA Flash LED, Dual LDOs, and I2C Interface Description
SC621A Applications
- 3.0V to 5.5V Charge pump modes
- 1x, 1.5x and 2x Four programmable current sinks with 32 steps from 0.5mA to 25mA Flash LED
- 400mA max in flash mode, 250mA max continuous for spotlight Two user-configurable 100mA low-noise LDO regulators Charge pump frequency
