LM48580 Datasheet - National Semiconductor

LM48580 Haptic Piezo Actuator / Ceramic Speaker Driver

The LM48580 is a fully differential, high voltage driver for piezo actuators and ceramic speakers for portable multi-media devices. Part of National’s Powerwise product line, the LM48580’s Class H architecture offers significant power savings compared to traditional Class AB amplifiers. The device p.

LM48580 Features

* Class H Driver Integrated Boost Converter Bridge-tied Load Output Differential Input Three Pin-Programmable Gains Low Supply Current Minimum external components Micro-power shutdown Thermal overload protection Available in space-saving 12-b

LM48580 Datasheet (430.73 KB)