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Supertex inc.

www.supertex.com

Doc.# DSFP-HV809

B071013

HV809

Function Table

Pin Name

Description

Osc1

The Output H-bridge can be enabled and disabled by connecting the Osc1 pin to the GND and VDD

pins. The output can be left enabled by connecting the Osc1 pin to GND.

Osc2

The RC network can be connected between the oscillator’s Osc1 and Osc2 pins to pulse the EL lamp

on and off.

VDD

Internal supply voltage.

REL-Osc

EL lamp frequency is controlled via an external R

pins of the device.

VB

VB side of the EL lamp driver H-bridge. Connection for one of the EL lamp terminals.

VA

VA side of the EL lamp driver H-bridge. Connection for one of the EL lamp terminals.

HVIN

High voltage input supply pin.

GND

Ground pin.

V

A

V

B

V

Typical Waveform on V

(HV