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RE46C100 반도체 회로 부품 판매점

Piezoelectric Horn Driver Circuit



Microchip 로고
Microchip
RE46C100 데이터시트, 핀배열, 회로
RE46C100
Piezoelectric Horn Driver Circuit
Features:
• Low Quiescent Current (< 100 nA)
• Low Driver RON – 20typical at 9V
• Wide Operating Voltage Range
• Available in 8-pin DFN, PDIP and SOIC packages
General Description:
The RE46C100 devices are intended for applications
using a self oscillating piezoelectric horn, although it
can be used in direct drive applications. Feedback
control and a driver circuit are provided, as well as a
horn enable function.
The RE46C100 is intended for use in smoke detectors,
CO detectors, personal security products and
electronic toys.
Functional Block Diagram
HRNEN 8
Package Types
RE46C100
PDIP, SOIC
NC 1
VDD 2
NC 3
FEED 4
8 HRNEN
7 HORNS
6 HORNB
5 VSS
RE46C100
2x3 DFN*
NC 1
8 HRNEN
VDD 2 EP 7 HORNS
NC 3 9 6 HORNB
FEED 4
5 VSS
* Includes Exposed Thermal Pad (EP); see Table 2-1.
4 FEED
7 HORNS
VDD 2
VSS 5
6 HORNB
2009-2014 Microchip Technology Inc.
DS20002166B-page 1


RE46C100 데이터시트, 핀배열, 회로
RE46C100
Typical Application
Horn Enable
Active High
18
+
9V
Battery -
C2(1)
1 µF
27
RE46C100
36
45
R3 R4 C1
1.5 220 0.001 µF
Note 1: Place C2 close to the device power pins to minimize horn switching noise.
DS20002166B-page 2
2009-2014 Microchip Technology Inc.




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RE46C100 driver

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