SP1937 Datasheet (SYNC POWER) - DC-DC Step-Up Converter

SP1937, DC-DC Step-Up Converter

The SP1937 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.

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

The SP1937 DC/DC

SP1937 Features

* Fast 1.2MHz Switching Frequency

* High Efficiency up to 85%

* Drives up to seven LEDs From 2.5V Supply

* Low Quiescent Current

* Disconnects LEDs in Shutdown Mode

* Internal Over Temperature and Current Limiting Shutdown Function

* 36V Rugged Bipolar Switch

* Small