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PAM8904Q - AUTOMOTIVE 18VPP OUTPUT PEIZO SOUNDER DRIVER

General Description

The PAM8904Q is a piezo sounder driver designed for driving a ceramic/piezo sounder or speaker with 18VPP from a 3V power supply.

A programmable charge pump boost converter allows the PAM8904Q VOUT to operate in 1x, 2x and 3x mode.

Key Features

  • Supply Voltage Range from 2.3V to 5V.
  • 18VPP Output from a 3V Supply.
  • Integrated Boost Converter Generates 9V Supply.
  • Wide Input Signal Capability 20Hz to 300kHz.
  • Low Current Consumption.
  • Automatic Standby and Wake-up Control.
  • Overtemperature Shutdown and Short-Circuit Protection.
  • Available in Space Saving Packages 16 pin U-QFN3030-16 (Type B) Package with Green Molding.
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony.

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Other Datasheets by Diodes Incorporated

Part Number Description
PAM8904 18VPP OUTPUT PEIZO SOUNDER DRIVER
PAM8904E 18VPP OUTPUT PIEZO SOUNDER DRIVER
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Full PDF Text Transcription (Reference)

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PAM8904Q AUTOMOTIVE 18VPP OUTPUT PEIZO SOUNDER DRIVER Description The PAM8904Q is a piezo sounder driver designed for driving a ceramic/piezo sounder or speaker with 18VPP from a 3V power supply. A programmable charge pump boost converter allows the PAM8904Q VOUT to operate in 1x, 2x and 3x mode. Pin Assignments (Top View) NC VIN CP2 VOUT The boost converter operates at a fixed frequency of 1.0MHz and provides a 9V output with a minimum number of external components. PAMs unique drive technology ensures minimal inrush current, low EMI and high efficiency. To ensure maximum efficiency and battery life, the PAM8904Q includes an auto standby feature which puts the device in sleep mode while there is no valid input signal.