HV9903 - White LED Driver

Product Overview

Supertex Inc

Datasheet Details

Part number	HV9903
Manufacturer	Supertex Inc
File Size	326.79 KB
Description	White LED Driver
Datasheet	HV9903 Datasheet
Additional preview pages of the HV9903 datasheet.

Product details

Description

The Supertex HV9903 is a fixed frequency DC-DC boost converter designed for driving Light Emitting Diodes (LEDs) with constant current where the light intensity is proportional to the current through them. 4.6V lowcurrent supply is available for the HV9903.

Features

❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ Power efficiency of up to 85% Drives up to 6 White LEDs 2.6V to 4.6V Supply power stage can operate at 1.8V (see page 8) Built-in Soft Start DC and PWM Dimming Control Built-in Open LED protection Open LED indicator (via RSET) 1.2MHz Fixed Switching Frequency 500nA max leakage current when disabled No leakage current path through LEDs when disabled Resistor-programmable LED Current Small 6-lead MLP (3mm x 3mm) package (similar to 6-pin SOT-23).

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Other Datasheets by Supertex Inc

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HV9904 - HV9904 Multi Converter Controller
HV9906 - Simple Off-Line/PFC & >9V DC/DC Switcher
HV9906DB2 - Off-Line Current Source Controller
HV9906DB3 - Off-Line PFC Current Source Controller
HV9906DB4 - Off-Line Current Source Controller

Published: Mar 26, 2005 |