PAM8904Q 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 ponents.
PAM8904Q 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
- Totally Lead-Free & Fully RoHS pliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)