SP1938 Datasheet (SYNC POWER) - DC-DC Step-Up Converter

SP1938, DC-DC Step-Up Converter

The SP1938 is a step-up DC/DC converter for white LED driver with over voltage protection.

The device can driver one to four LEDs in series from a single cell Lithium Ion battery.

Internal functions include current limiting; thermal shutdown; OVP and soft-start to prevent damage operate status.

The

SP1938 Features

* Current Source with Over Voltage Protection

* Fast 0.8MHz Switching Frequency

* High Efficiency up to 87%

* Drives up to Four LEDs From 3.2V Supply

* Drives up to Six LEDs From a 5V Supply

* Low Quiescent Current

* Disconnects LEDs in Shutdown Mode

* Internal Over T