Datasheet > PAM8904

PAM8904

更新时间： 2023-12-06 20:09:28

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
9页	670K
描述
18VPP Piezo Sounder Driver

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PAM8904 数据手册

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 24V_PPfrom a 5.5V power supply. The

charge pump can operate in a 1x, 2x, or 3x mode.

(Top View)

NC VIN CP2 VOUT

Pin 1

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 NC

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.

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.

VIN

CP2

VOUT

Pin 1

Features



Supply Voltage Range from 1.8V to 5.5V

18V_PPOutput from a 3V Supply

Integrated Boost Converter Generates up to 12V Supply

No Voltage Cross Output at Shutdown Mode

Low Current Consumption

CN1

GND

VO2

U-QFN3030-12 (Type A)

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)

Applications



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)



Health care systems

Alarm clocks

Security devices

Home appliances

Notes:

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 <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

1 of 9

www.diodes.com

May 2022

PAM8904

Document number: DS37246 Rev. 5 - 2

12 3 4 5 6 7...9

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