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PDF PAM8904 Data sheet ( Hoja de datos )
| Número de pieza | PAM8904 | |
| Descripción | 18VPP OUTPUT PEIZO SOUNDER DRIVER | |
| Fabricantes | Diodes | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PAM8904 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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Description
The PAM8904 is a piezo sounder driver with integrated a charge
pump boost converter. The PAM8904 is capable for driving a
ceramic/piezo sounder with 18Vpp from a 3V power supply. The
charge pump can operate in either of a 1X, 2X and 3X mode.
The boost converter operates at a fixed frequency of 1.0MHz and
provides a 9V output with a minimum number of external
components. The PAM8904 can drive up to 15nF loading. PAM
unique drive technology provides small inrush current, low EMI and
high efficiency.
PAM8904 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.
The PAM8904 is available in a 16pin U-QFN3030 package.
Features
• Supply voltage Range From 2.3V to 5.5V
• 18VPP Output from a 3V Supply
• Integrated Boost Converter Generates 9V Supply
• Input signal 20 Hz to 300KHz
• No Voltage Cross Output At Shutdown Mode
• Low Current Consumption
• Automatic Standby and Wake-up Control
• Available in Space Saving Packages 16pin QFN package
A Product Line of
Diodes Incorporated
PAM8904
18VPP OUTPUT PEIZO SOUNDER DRIVER
Pin Assignments
U-QFN3030-16L
NC VIN CP2 VOUT
CN1 GND VO2 NC
Applications
• Health Care System
• Alarm Clock
• Security Device
• Home Appliance
Typical Applications Circuit
PAM8904
Document number: DS37246 Rev. 1 - 2
1 of 6
www.diodes.com
April 2014
© Diodes Incorporated
1 page  
Ordering Information
A Product Line of
Diodes Incorporated
PAM8904
PAM8904 X X X
Part Number
PAM8904JER
Package Type
J: U-QFN3030
Marking Information
Pin Configuration
E: 16 Pin
Package Type
U-QFN3030-16L
U-QFN3030-16L
Shipping Package
R: Tape & Reel
Shipping
3,000/Tape & Reel
P8904
XXXYW
Package Outline Dimensions (All dimensions in mm.)
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.
A A1 A3
Side View
D
e
(Pin #1 ID)
E R0.200
Z (8x)
0.450
D2
E2
L (16x)
b (16x)
U-QFN3030-16
Type B
Dim Min Max Typ
A 0.55 0.65 0.60
A1 0 0.05 0.02
A3 — — 0.15
b 0.18 0.28 0.23
D 2.95 3.05 3.00
D2 1.40 1.60 1.50
E 2.95 3.05 3.00
E2 1.40 1.60 1.50
e — — 0.50
L 0.35 0.45 0.40
Z — — 0.625
All Dimensions in mm
Bottom View
PAM8904
Document number: DS37246 Rev. 1 - 2
5 of 6
www.diodes.com
April 2014
© Diodes Incorporated
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet PAM8904.PDF ] | |
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