HV860 Datasheet PDF

Supertex HV860

HV860 is a high voltage driver designed for driving Electroluminescent, (EL), lamps of up to 5 square inches. The input supply voltage range is from 2.5 to 4.5V. The device uses a single inductor and a minimum number of passive components.

Part No.	HV860
Datasheet	HV860 Download
Manufacturer	Supertex
Description	Dimmable EL Lamp Driver
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FEATURES

► Adjustable output regulation for dimming ► 220VPP output voltage for higher brightness ► Single cell lithium ion compatible ► 150nA shutdown current ► Separately adjustable lamp and converter frequencies ► 3x3mm 12-Lead QFN package ► Split supply capability

APPLICATIONS

► Mobile cellular phone keypads ► PDAs ► Handheld wireless communication products ► Global Positioning Systems (GPS)

GENERAL DESCRIPTION

The Supertex Using the internal reference voltage, the regulated output voltage is at a nominal voltage of 110V. The EL lamp will therefore see ±110V. An enable pin, (EN), is available to turn the device on and off via a logic signal. The HV860 has two internal oscillators,