RE46C104 데이터 시트보기 (PDF) - R and E International, Inc.
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RE46C104 Datasheet PDF : 4 Pages
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R&E International
RE46C104
Piezoelectric Horn Driver with 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
Features
• Low Quiescent Current
• Low Driver Ron
• Wide Operating Voltage Range
Pin Configuration
N/C
1
FEED
CAP-
Vss
CAP+
HRNEN
N/C
14
N/C
Vdd
CPMPEN
HORNS
HORNB
VPOS
N/C
Absolute maximum ratings
Supply Voltage Vdd ........………………………………….......-.5V to +9.0V
Input voltage Range Vin ...…………………………………..... -.3V to VDD+.3V, except FEED
FEED Input Voltage Range Vinf …………………………...… -10V to +22V
Input Current Iin ..............…………………………………..... 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
King of Prussia PA
610-992-0727
1
DS-RE46C104-091201
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