Introduction

The Supertex HV832DB1 demo board contains all necessary circuitry to demonstrate the features of the HV832 dual EL lamp driver.

Simply connect it to a power supply and a lamp as shown below. For additional assistance in designing EL driver circuits, please refer to application notes AN-H33 (effect of external components on performance of Supertex EL drivers), application note ANH44 (HV832 application circuits), and AN-H43 (EL lamp driver circuits to reduce lamp audible noise).

Specifications

Input Voltage 3.0V to 4.2V

Supply Current 40mA Max.

Lamp Size Range Up to 2.7in2

Lamp Frequency 417Hz

Converter Frequency 53.4KHz