Datasheet Summary
18VPP OUTPUT PIEZO SOUNDER DRIVER
NC CP1 CN2 VO1 EN 1 EN2 DIN NC
Description
The DIODES™ PAM8904 is a piezo sounder driver with integrated charge pump boost converter. The PAM8904 is capable of driving a ceramic/piezo sounder with 24VPP from a 5.5V power supply. The charge pump can operate in a 1x, 2x, or 3x mode.
Pin Assignments
Pin 1
(Top View)
NC VIN CP2 VOUT
The boost converter operates at a fixed frequency of 1.0MHz and provides a 12V output with a minimum number of external ponents. The PAM8904 can drive up to 15nF loading. Diodes Incorporated’s unique drive technology provides a small inrush current, low EMI and high efficiency.
The PAM8904 includes built-in...