PAM8904E - Diodes

PAM8904E 18VPP OUTPUT PIEZO SOUNDER DRIVER

The DIODES™ PAM8904E is a piezo sounder driver with integrated charge pump boost converter. The PAM8904E is capable of driving a ceramic/piezo sounder with 27VPP from a 4.5V power supply. The charge pump can operate in either 1x, 2x or 3x mode. The boost converter operates at a fixed frequency of 100kHz and provides a 3X VIN output with a minimum number of e.

Features

thermal shutdown, over current protection, over voltage protection and under voltage lock-out. The PAM8904E is available in U-QFN3030-16 (Type B), U-QFN303012 (Type A), W-QFN2020-12 (Type US) and U-QFN2020-12 (Type UX) packages. Features
 Supply Voltage Range from 1.5V to 5.5V
 18VPP Output from a 3V Supply
 Integrated Boost Converter Generates up to 13.5V Supply
 Input Signal 20Hz to 300kHz
 No Voltage Cross Output in Shutdown Mode
 Low Current Consumption
 Automatic Standby and Wake-up Control
 Available in Space Saving U-QFN3030-16 (Type B), U- QFN3030-12 (Type A), W-QFN2020-12 (Typ.