ST1937 Overview
Description
ST1937 is a step-up DC/DC converter for white LED driver with constant current. The device can driver one to four LEDs in series from a single cell Lithium ion battery.
Key Features
- High Efficiency up to 85%
- Drives up to Four LEDs From 3.2V Supply
- Low Quiescent Current
- Internal Over Temperature and Current Limiting Shutdown Function
- Internal Soft-Star
