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L1937

WHITE LED STEP-UP CONVERTER

L1937 Datasheet (86.49 KB)

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Datasheet Details

Part number:

L1937

Manufacturer:

UTC

File Size:

86.49 KB

Description:

White led step-up converter.

L1937 Features

* Inherently Matched LED Current

* High Efficiency: 84% Typical

* Drives Up to Four LEDs from a 3.2V Supply

* Drives Up to Six LEDs from a 5V Supply

* 36V Rugged Bipolar Switch

* Fast 1.2MHz Switching Frequency

* Uses Tiny 1mm Tall Inductors

* Requires Only 0.22 F Out

L1937 General Description

The UTC L1937 is a step-up DC/DC converter specifically designed to drive white LEDs with a constant current. The device can drive two, three or four LEDs in series from a Li-Ion cell. Series connection of the LEDs provides identical LED currents resulting in uniform brightness and eliminating the n.

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L1937 WHITE LED STEP-UP CONVERTER UTC

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