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LM3557

Step-Up Converter

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

LM3557 General Description

The LM3557 is a complete solution for white LED drive applications. With minimal external component count, no DC current leakage paths to ground, cycleby-cycle current limit protection, and output overvoltage protection circuitry, the LM3557 offer superior performance and cost savings over standard .

LM3557 Datasheet (928.78 KB)

Preview of LM3557 PDF

Datasheet Details

Part number:

LM3557

Manufacturer:

Texas Instruments ↗

File Size:

928.78 KB

Description:

Step-up converter.
LM3557 www.ti.com SNVS338B

* NOVEMBER 2004

* REVISED FEBRUARY 2013 LM3557 Step-Up Converter for White LED Applications Check for Sa.

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TAGS

LM3557 Step-Up Converter Texas Instruments

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