Diodes PAM8904 Bedienungsanleitung PDF herunterladen

PAM8904

Document number: DS37246 Rev. 1 - 2

1 of 6

www.diodes.com

April 2014

PAM8904

NEW PRODUCT

Product Line o

Diodes Incorporated

18VPP OUTPUT PEIZO SOUNDER DRIVER

Description

The PAM8904 is a piezo sounder driver with integrated a charge

pump boost converter. The PAM8904 is capable for driving a

ceramic/piezo sounder with 18Vpp from a 3V power supply. The

charge pump can operate in either of a 1X, 2X and 3X mode.

The boost converter operates at a fixed frequency of 1.0MHz and

provides a 9V output with a minimum number of external

components. The PAM8904 can drive up to 15nF loading. PAM

unique drive technology provides small inrush current, low EMI and

high efficiency.

PAM8904 built-in automatic shutdown and wake up that guarantees

longer battery life.

PAM8904 features thermal shutdown, over current protection, over

voltage protection and under voltage lock-out.

The PAM8904 is available in a 16pin U-QFN3030 package.

Features

• Supply voltage Range From 2.3V to 5.5V

• 18V

Output from a 3V Supply

• Integrated Boost Converter Generates 9V Supply

• Input signal 20 Hz to 300KHz

• No Voltage Cross Output At Shutdown Mode

• Low Current Consumption

• Automatic Standby and Wake-up Control

• Available in Space Saving Packages 16pin QFN package

Pin Assignments

U-QFN3030-16L

Applications

• Health Care System

• Alarm Clock

• Security Device

• Home Appliance

Typical Applications Circuit

NC VIN CP2 VOUT

CN1 GND VO2 NC

EN 1 EN2 DIN NC

NC CP1 CN2 VO1-

1 2 3 4 5 6

Inhaltsverzeichnis

Seite 1

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Seite 2

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Seite 3 - NEW PRODUCT

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Seite 4 - Application Information

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Seite 5 - BottomView

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Seite 6 - Diodes Incorporated

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Diodes PAM8904 Bedienungsanleitung

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Inhaltsverzeichnis

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