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LM3557 Step-Up Converter

LM3557 Description

LM3557 www.ti.com SNVS338B * NOVEMBER 2004 * REVISED FEBRUARY 2013 LM3557 Step-Up Converter for White LED Applications Check for Sa.
The LM3557 is a complete solution for white LED drive applications.

LM3557 Features

* 1
* 2 VIN Range: 2.7V
* 7.5V
* Small External Components
* 1.25 MHz Constant-Switching Frequency
* Output Over-Voltage Protection
* Input Under-Voltage Protection
* Cycle-By-Cycle Current Limit
* TRUE SHUTDOWN: No DC current paths to groun

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Step-Up Converter Texas Instruments
Texas Instruments LM3557-like datasheet