HV857L

High-Voltage Low-Noise EL Lamp Driver

Microchip

HV857L Features

* Audible Noise Reduction

* 190 VPP Output Voltage for Higher Brightness

* Single-cell Lithium Ion-Compatible

* 150 nA Shutdown Current

* Wide Input Voltage Range, 1.8V to 5V

* Separately Adjustable Lamp and Converter Frequencies

* Output Volta

HV857L General Description

The HV857L is a low-noise high-voltage driver designed for driving Electroluminescent (EL) lamps of up to 5 in2. It is the low-noise version of the EL lamp driver HV857. The input supply voltage range is from 1.8V to 5V. The device uses a single inductor and a minimum number of passive components. T.

HV857L Datasheet (1.94 MB)