Datasheets»Microchip Technology»RE46C117 Datasheet

RE46C117 Datasheet

Download or read online Microchip Technology RE46C117 DC To DC Converter And Piezoelectric Horn Driver pdf datasheet.



Page
1 of 6
next
R&E International
A Subsidiary of Microchip Technology Inc.
RE46C117
DC to DC Converter and Piezoelectric Horn Driver
Product Specification
General Description
The RE46C117 is intended for use in 3V or 4.5V
battery or battery-backed applications. The circuit
features a DC-to-DC up-converter and driver circuit
suitable for driving a piezoelectric horn
Applications
Smoke detectors
CO Detectors
Personal Security Products
Electronic Toys
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Input Voltage Range Except FEED
FEED Input Voltage Range
Input Current except FEED
Operating Temperature
Storage Temperature
Continuous Operating Current
(HornS, HornB, VO)
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 charge
© 2009 Microchip Technology Inc.
Features
Low Quiescent Current
10V Up Converter
Low Horn Driver Ron
Available in Standard Packaging or RoHS
Compliant Pb Free Packaging
Pin Configuration
1
FEED
VDD
2
3
LX
4
VSS
SYMBOL
VALUE
V
5
DD
V
12
OUT
V
-.3 to V
+.3
in
dd
V
-10 to +22
infd
I
10
in
T
0 to 50
A
T
-55 to 125
STG
I
40
O
8
HRNEN
7
HORNS
6
HORNB
5
VO
UNITS
V
V
V
V
mA
°C
°C
mA
DS22159B-page 1

Summary of Contents

Page 1

... R&E International A Subsidiary of Microchip Technology Inc. RE46C117 Converter and Piezoelectric Horn Driver Product Specification General Description The RE46C117 is intended for use 4.5V battery or battery-backed applications. The circuit features a DC-to-DC up-converter and driver circuit suitable for driving a piezoelectric horn Applications Smoke detectors ...

Page 2

... RE46C117 Converter and Piezoelectric Horn Driver Product Specification Electrical Characteristics Limits apply at Vdd3V, Vss0V, Cvo10uF, T Typical values are at T 27°C. A Parameter Symbol Supply Voltage Vdd Standby Supply Iddstby Current Quiescent Supply Iddq Current Quiescent Ivo Ivoq Iin Input Leakage Iihf ...

Page 3

... RE46C117 Converter and Piezoelectric Horn Driver Product Specification © 2009 Microchip Technology Inc. Functional Block Diagram R&E International A Subsidiary of Microchip Technology Inc. DS22159B-page 3 ...

Page 4

... RE46C117 Converter and Piezoelectric Horn Driver Product Specification Notes: 1/ Schottky diode D1 must have maximum peak current rating of at least 1.5A and for best results should have forward voltage spec of less than 0. Amp. 2/ Inductor L3 must have maximum peak current rating of at least 1.5A and for best results should have DC resistance of less than 0.5 ohm. © ...

Page 5

... RE46C117 Converter and Piezoelectric Horn Driver Product Specification Notes © 2009 Microchip Technology Inc. R&E International A Subsidiary of Microchip Technology Inc. DS22159B-page 5 ...

Page 6

... RE46C117 Converter and Piezoelectric Horn Driver Product Specification Information contained in this publication applications and the like is provided only for your convenience and may be superseded by updates your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY ...

Comments to this Datasheet