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HV839

Supertex
Part Number HV839
Manufacturer Supertex
Description High Voltage Dual EL Lamp Driver
Published Sep 5, 2017
Detailed Description HV839 High Voltage Dual EL Lamp Driver Features Independent input control for lamp selection Split supply capability P...
Datasheet PDF File HV839 PDF File

HV839
HV839

Overview
HV839 High Voltage Dual EL Lamp Driver Features Independent input control for lamp selection Split supply capability Patented output timing One miniature inductor to power both lamps Low shutdown current Wide input voltage range 2.
0V to 5.
8V Output voltage regulation No SCR output Available in small packages (10-lead MSOP and 10-lead DFN/MLP) Applications Mobile cellular phones, dual display Keypad and LCD backlighting Portable instrumentation Dual segment lamps Hand held wireless communication devices Typical Application Circuit General Description The Supertex HV839 is a high voltage driver designed for driving two EL lamps with a combined area of 3.
5 square inches.
The input supply voltage range is from 2.
0V to 5.
8V.
The device is designed to reduce the amount of audible noise emitted by the lamp.
This device uses a single inductor and minimum number of passive components to drive two EL lamps.
The nominal regulated output voltage of ±90V is applied to the EL lamps.
The two EL l...


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