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HT7937

Built-in OVP White LED Step-up Converter

HT7937 Features

* Integrated open-circuit protection

* Over voltage protection

* Up to 84% efficiency at VIN=3V, 3LEDs,

* Low standby current: 0.1mA (typ.) (VSHDN=0V)

* Matches LED current

* Small value inductor and capacitors

* Small outline SOT23-6 package ILED= 20mA

* 1.2MHz fixe

HT7937 General Description

The HT7937 is high efficiency boost converter with a constant current output to provide back light functions in handheld devices. Applications with series connected LEDs ensure constant and identical LED currents resulting in uniform brightness. A continuous LED output current is setup using the FB .

HT7937 Datasheet (872.46 KB)

Preview of HT7937 PDF

Datasheet Details

Part number:

HT7937

Manufacturer:

Holtek Semiconductor

File Size:

872.46 KB

Description:

Built-in ovp white led step-up converter.

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TAGS

HT7937 Built-in OVP White LED Step-up Converter Holtek Semiconductor

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