PAM8904JER

PAM8904 18VPP OUTPUT PIEZO SOUNDER DRIVER Description Pin Assignments The 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 (Top View) NC NC CP1 CN2 VO1 NC CN1 GND VO2 PAM8904 includes built-in automatic shutdown and wake up that guarantees longer battery life. PAM8904 features thermal shutdown, over current protection, over voltage protection and under voltage lock-out. NC U-QFN3030-16 (Type B) (Top View) VIN CP2 CN1 GND VOUT Pin 1 The PAM8904 is available in a 16-pin U-QFN3030-16 (Type B) package, or 12-pin U-QFN3030-12 (Type A) package. EN2       Integrated Boost Converter Generates up to 12V Supply Input Signal 20Hz to 300kHz 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) or 12 Pin U-QFN3030-12 (Type A) Package 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) CN2 Supply Voltage Range from 2.3V to 5.5V 18VPP Output from a 3V Supply CP1 EN 1   VO1 DIN Features Notes: CP2 VOUT EN 1 EN2 DIN 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.    VIN Pin 1 operate in either a 1x, 2x or 3x mode. 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) compliant. 2. See http://www.diodes.com/quality/lead_free.html 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