Datasheet Summary
Multi-LED Boost
GENERAL DESCRIPTION
The RYC9901 device is a low-cost integrated boost converter IC specifically designed for driving multiLED arrays. It can be operated from a single Lithium cell or two alkaline cells, and drives up to 7 LEDs. All LEDs are in series, and the RYC9901 device regulates at constant current, yielding uniform illumination. The RYC9901 device Features an active low enable/ dimming pin and thermal protection, and is available in a space-saving SOT23-6 package.
Raychem
Power Management ICs
.tycopowerponents.
Document: SCD 25493 Status: Released Rev.: D Rev Date: March 8, 2005
Features
- Constant current regulation
- Up to 700mW output power
- 1.9V...