TPS75105 Overview
The TPS7510x linear low dropout (LDO) matching LED current source is optimized for low-power keypad and navigation pad LED backlighting applications. The device provides a constant current to up to four unmatched LEDs organized in two banks of two LEDs each in a mon-cathode topology. Without an external resistor, the current source defaults to a factory-programmable, preset current level with ±0.5% accuracy...
TPS75105 Key Features
- 1 Regulated Output Current with 2% LED-to-LED Matching
- Drives Up to Four LEDs at 25 mA Each in a mon Cathode Topology
- 28-mV Typical Dropout Voltage Extends Usable Supply Range in Li-Ion Battery