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HT7939 - High Current and Performance White LED Driver

Product Overview

Holtek Semiconductor

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HT7939 High Current and Performance White LED Driver by Holtek Semiconductor - Datasheet Preview — Datasheet preview – HT7939

Datasheet Details

Part number	HT7939
Manufacturer	Holtek Semiconductor
File Size	759.92 KB
Description	High Current and Performance White LED Driver
Datasheet	HT7939 Datasheet
Additional preview pages of the HT7939 datasheet.

Product details

Description

The HT7939 is a high efficiency boost converter for driving White LEDs using current mode operation.

Features

Input range from 2.6V~5.5V.
Built-in Power MOSFET.
Can drive up to 39 White LEDs with a 5V input.
Low standby current: 0.1mA (typ. ) with VEN low.
Integrated Over-voltage, Over-temperature and.
Under voltage lock-out protection.
1.2MHz fixed switching frequency.
High efficiency - up to 90%.
6-pin SOT23-6 package Over-current protection circuits.

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Published: Feb 7, 2010 |