PAM8904JER

PAM8904 18VPP OUTPUT PIEZO SOUNDER DRIVER Description Pin Assignments 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 (Top View) NC VIN CP2 VOUT Pin 1 charge pump can operate in a 1x, 2x, or 3x mode. NC EN 1 EN2 DIN CP1 CN2 VO1 NC The boost converter operates at a fixed frequency of 1.0MHz and provides a 12V output with a minimum number of external components. The PAM8904 can drive up to 15nF loading. Diodes Incorporated’s unique drive technology provides a small inrush current, low EMI and high efficiency. CN1 GND VO2 The PAM8904 includes built-in automatic shutdown and wake up that guarantees longer battery life. The PAM8904 features thermal shutdown, over current protection, over voltage protection and under voltage lock-out. NC U-QFN3030-16 (Type B) (Top View) The PAM8904 is available in a 16-pin U-QFN3030-16 (Type B) package, or 12-pin U-QFN3030-12 (Type A) package. CN1 GND VOUT CP1      Integrated Boost Converter Generates up to 12V Supply No Voltage Cross Output at Shutdown Mode Low Current Consumption Automatic Standby and Wake-Up Control Available in Space-Saving Packages:  16-Pin U-QFN3030-16 (Type B)  12-Pin U-QFN3030-12 (Type A) Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) An Automotive-Compliant Part is Available Under Separate Datasheet (PAM8904Q) VO1 DIN Supply Voltage Range from 1.8V to 5.5V 18VPP Output from a 3V Supply CN2 EN2   Notes: CP2 EN 1 Features    VIN Pin 1 VO2 U-QFN3030-12 (Type A) Applications     Health care systems Alarm clocks Security devices Home appliances 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain