RE46C104 R&E International, Inc., RE46C104 Datasheet

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RE46C104

Manufacturer Part Number
RE46C104
Description
Piezoelectric Horn Driver And Voltage Converter
Manufacturer
R&E International, Inc.
Datasheet

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RE46C104
Piezoelectric Horn Driver and Voltage Converter
Product Specification
General Description
The RE46C104 is a piezoelectric horn driver with
voltage converter to provide maximum audibility in
low voltage applications. The feedback control pin is
designed for use with self-oscillating piezoelectric
horn but can also be used in direct drive
applications. The built-in charge pump voltage
converter provides increased supply voltage for the
horn drivers allowing outputs to swing from Vss to 2
x Vdd. A charge pump enable pin is provided to
minimize supply current when not in use.
Applications
Smoke detectors
CO Detectors
Personal Security Products
Electronic Toys
Telephone 610.992.0727
Page 1 of 4
Absolute maximum ratings
Supply Voltage V dd ........………………………………….......-.5V to +9.0V
Input voltage Range V in ...…………………………………..... -.3V to V DD +.3V, except FEED
FEED Input Voltage Range Vinf …………………………...… -10V to +22V
Input Current I in ..............…………………………………..... 10mA, except FEED
Operating Temperature .......………………………………….. 0 to 50°C
Continuous Output Current (HornS, HornB, or Vpos)…..….. 30mA
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are
stress ratings only and operation at these conditions for extended periods may affect device reliability.
This product utilizes CMOS technology with static protection; however proper ESD prevention procedures should be
used when handling this product. Damage can occur when exposed to extremely high static electrical charges
R&E International
This datasheet contains PROPRIETARY information.
Facsimile 610.992.0734
Features
Pin Configuration
HRNEN
FEED
CAP+
CAP-
Low Quiescent Current
Low Driver Ron
Wide Operating Voltage Range
Available in Standard Packaging or RoHS
Compliant Pb Free Packaging
N/C
N/C
Vss
1
E-mail: rande@randeint.com
14
DS-RE46C104-011507
N/C
Vdd
CPMPEN
HORNS
VPOS
N/C
HORNB

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RE46C104 Summary of contents

Page 1

... RE46C104 Piezoelectric Horn Driver and Voltage Converter Product Specification General Description The RE46C104 is a piezoelectric horn driver with voltage converter to provide maximum audibility in low voltage applications. The feedback control pin is designed for use with self-oscillating piezoelectric horn but can also be used in direct drive applications ...

Page 2

... Iout = -16mA Cpmpen = Vdd Hrnen = Vss Iout = -16mA C1=C2=10uF No Loads 95 C1=C2=10uF Facsimile 610.992.0734 This datasheet contains PROPRIETARY information. R&E International Limits Typ Max Units 5.0 8.0 V 100 500 nA 500 nA 200 500 uA 100 - 0.3 0.5 V 8 kHz E-mail: rande@randeint.com DS-RE46C104-011507 ...

Page 3

... C1 = 10uF C2 = 10uF C3 = 1nF R1 = 1.5Mohm R2 = 200kohm Telephone 610.992.0727 Page Typical Application 1 N/C N/C 2 FEED VDD 3 CAP- CPMPEN 4 VSS HORNS 5 CAP+ HORNB 6 HRNEN VPOS 7 N/C N/C RE46C104 Facsimile 610.992.0734 This datasheet contains PROPRIETARY information. R&E International + E-mail: rande@randeint.com DS-RE46C104-011507 Piezo R2 ...

Page 4

... The instantaneous current will exceed this value when C1 and C2 charge-up initially (after charge pump is enabled) and during subsequent recharging of C1 and C2. Telephone 610.992.0727 Page Functional Block Diagram VDD Facsimile 610.992.0734 This datasheet contains PROPRIETARY information. R&E International Substrate Logic VPOS 9 VPOS 10 HORNB 11 HORNS FEED 2 E-mail: rande@randeint.com DS-RE46C104-011507 ...

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