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PAM8907

DIODES
Part Number PAM8907
Manufacturer DIODES
Description 31VPP OUTPUT PIEZO SOUNDER DRIVER
Published May 3, 2023
Detailed Description Description PAM8907 31VPP OUTPUT PIEZO SOUNDER DRIVER WITH BOOST CONVERTER Pin Assignments The PAM8907 is a piezoelect...
Datasheet PDF File PAM8907 PDF File

PAM8907
PAM8907

Overview
Description PAM8907 31VPP OUTPUT PIEZO SOUNDER DRIVER WITH BOOST CONVERTER Pin Assignments The PAM8907 is a piezoelectric horn driver with built-in boost converter, capable of driving a ceramic/piezo sounder with up to 31VPP output.
With integrated boost converter, the PAM8907 can provide an optimized solution with higher Sound Pressure Level (SPL) for louder output sound, lower quiescent current for longer standby time, and auto turn-on/off feature for extended operating lifetime.
The PAM8907 provides clear benefits for battery-operated tracker, piezoelectric horn or alarm related applications.
The PAM8907 integrates a boost converter that operates at a typical frequency of 1.
8MHz.
With integrated boost converter and unique piezo sounder driver technology, the PAM8907 provides small inrush current, low EMI and yet highly efficient system performance.
PAM8907 boost converter output can be set to either 11V or 15.
6V with minimum external components for various application usages.
The PAM8907 has built-in automatic shutdown and wake-up functions for longer operating lifetime requirement.
It also features thermal shutdown protection, overcurrent protection, overvoltage protection and undervoltage lockout protection to assure safe system operation.
The PAM8907 is available in U-QFN2020-10 package.
Features  Supply Voltage Range from 1.
8V to 5.
5V  Intergraded Boost Converter VOUT = 11V or 15.
6V  Drive Piezo Sounder with up to 31VPP  High-Speed Driver Designed with Very Short Turn-On/Turn-Off  No Voltage Cross Output at Shutdown Mode  High Impendence Output at Shutdown Mode  Low Current Consumption, with Shutdown Current < 1μA  Automatic Shutdown and Wake-Up Control  Available in Space-Saving U-QFN2020-10 package  Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free.
“Green” Device (Note 3)  For automotive applications requiring specific change control (i.
e.
parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured ...


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