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ST1938 Datasheet - STANSON

ST1938 - DC-DC Step-Up Converter

The ST1938 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

ST1938 Features

* z Current Source with Over Voltage Protection z Fast 0.8MHz Switching Frequency z High Efficiency up to 87% z Drives up to Four LEDs From 3.2V Supply z Drives up to Six LEDs From a 5V Supply z Low Quiescent Current z Disconnects LEDs i

ST1938-STANSON.pdf

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Datasheet Details

Part number:

ST1938

Manufacturer:

STANSON

File Size:

121.30 KB

Description:

Dc-dc step-up converter.

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