LN5921
Description
The LN5921 is a high performance ultra low- dropout constant current bias supply for white LEDs. It can be used as an alternative to the simple ballast resistors in conventional parallel white LEDs applications.
Key Features
- Ultra Low 200mV Dropout at 20mA
- 0.6% High Accuracy Current Matching
- 20mA Full Scale Current
- 32 Level Linear Current Brightness Control
- PWM Brightness Control
- 2.5V to 5.5V Supply Voltage Range
- Thermal shutdown function
- Under-voltage protection function
- Package
- SOT-23-8L
