L1937 WHITE LED STEP-UP CONVERTER

UTC

L1937 Description

UTC L1937 WHITE LED STEP-UP CONVERTER LINEAR INTEGRATED CIRCUIT 2 1 .
The UTC L1937 is a step-up DC/DC converter specifically designed to drive white LEDs with a constant current.

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 Applications

* Marking code: LTCG
* Cellular Phones
* PDAs, Handheld Computers
* Digital Cameras
* MP3 Players
* GPS Receivers PIN FUNCTION PIN NO. PIN NO. PIN NAME (SOT-25) (SOT-363). 1 2 3 4 5 6 5 Switch Ground Feedback Shutdown Input Supply Ground SYMBOL SW GND FB FUNCTION Connect ind

📥 Download Datasheet

L1937 Datasheet Preview — Preview of L1937 PDF

Datasheet Details

Part number: L1937
Manufacturer: UTC
File Size: 86.49 KB
Datasheet: L1937_UTC.pdf
Description: WHITE LED STEP-UP CONVERTER

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WHITE LED STEP-UP CONVERTER UTC

UTC L1937-like datasheet