PAM8902H

Document number: DSxxxxx Rev. 1 - 0

1 of 12

www.diodes.com

December 2012

© Diodes Incorporated

PAM8902H

A Product Line of

Diodes Incorporated

Description

The PAM8902H is a mono, Class-D audio amplifier with integrated

boost convertor designed for piezo and ceramic speakers.The

PAM8902H is capable of driving a ceramic/ piezo speaker with

30Vpp(10.6Vrms) from a 3.6V power supply.The PAM8902H's Boost

converter operates at a fixed frequency of 1.5MHz , and provides a

17.5V supply with a minimum number of external components.

PAM8902H features an integrated audio low pass filter that rejects

high frequency noise thus improving audio fidelity. And three gain

modes of 21dB, 26dB and 32.5dB easy for using.PAM8902H also

provides thermal ,short, under and over voltage protection.

The PAM8902H is available in a 16-ball 1.95mm x 1.95mm CSP

package and 16-pin QFN4x4 package.

Features

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Supply Voltage Range From 2.5V to 5.5V

•

•

Integrated Boost Converter Generates 17.5V Supply

•

Programmable Soft-Start

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Small Boost Converter Inductor

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Selectable Gain of 21dB, 26dB, and 32.5dB

•

Selectable Boost Output Voltage of 8V, 12V, and 17.5V

•

Low Shutdown Current: <1µA

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Build in Thermal , OCP ,OVP,Short Protection

•

Available in Space Saving Packages:

16-ball 1.95mmx1.95mm CSP Package

16-pin QFN4x4 Package

Applications

Wireless or Cellular Handsets

Portable DVD Player

Personal Digital Assistants (PDAs )

Electronic Dictionaries

Digital Still Cameras

Pin Assignments