Datasheet Diodes PAM8904EJER — Datenblatt

PAM8904E
18VPP OUTPUT PIEZO SOUNDER DRIVER Description Pin Assignments The 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 (Top View) 16 The boost converter operates at a fixed frequency of 100kHz and
provides a 3X VIN output with a minimum number of external NEW PRODUCT NC VIN CP2 VOUT Pin 1 charge pump can operate in either 1x, 2x or 3x mode. components. The PAM8904E can drive up to 47nF loading. Diodes
Incorporated’s unique drive technology provides a small inrush
current, low EMI and high efficiency. 1 12 NC 2 11 CP1 DIN 3 10 CN2 NC 4 9 VO1 Integrated Boost Converter Generates up to 13.5V 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 U-QFN3030-16 (Type B),
U-QFN3030-12 (Type A) and W-QFN2020-12 (Type US)
Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3) Notes: 6 8 7 CN1 GND VO2 NC U-QFN3030-16 (Type B)
(Top View)
VIN CP2 VOUT Pin 1 12 Features 13 EN2 5 The PAM8904E is available in U-QFN3030-16 (Type B), U-QFN303012 (Type A) and W-QFN2020-12 (Type US) packages. Supply Voltage Range from 1.5V to 5.5V
18VPP Output from a 3V Supply 14 EN1 The PAM8904E includes built-in automatic shutdown and wake up
that guarantees longer battery life. The PAM8904E features thermal
shutdown, over current protection, over voltage protection and under
voltage lock-out. 15 11 10 EN1 1 9 CP1 EN2 2 8 CN2 DIN 3 7 VO1 4 5 6 CN1 GND VO2 U-QFN3030-12 (Type A)/W-QFN2020-12 (Type US) Applications Health Care Systems
Alarm Clocks …

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 …