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RE46C107 Schematic ( Datenblatt PDF ) - R & E International

Teilenummer RE46C107
Beschreibung DC to DC Converter
Hersteller R & E International
Logo R & E International Logo 

Gesamt 7 Seiten
		
RE46C107 Datasheet, Funktion
www.DataSheet4U.com
R&E International
RE46C107
DC to DC Converter, Voltage Regulator and Piezoelectric Horn Driver
Product Specification
General Description
The RE46C107 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. A selectable
3.0V or 3.3V regulator is also provided for
microprocessor voltage regulation. An LED driver
and low battery detection and signaling are also
available.
Applications
Smoke detectors
CO Detectors
Personal Security Products
Electronic Toys
Features
Low Quiescent Current
10V Up Converter
Low Horn Driver Ron
Voltage Regulation to 3.0V or 3.3V
Low Battery Detection
Available in Standard Packaging or RoHS
Compliant Pb Free Packaging
Pin Configuration
LBST
LBSET
VDD
LEDEN
LED
LX
VSS2
VSS
1
2
3
4
5
6
7
8
16 LBOUT
15 FEED
14 HRNEN
13 HORNS
12 HORNB
11 VO
10 VREG
9 REGSEL
ABSOLUTE MAXIMUM RATINGS
PARAMETER
Supply Voltage
Input Voltage Range Except REGSEL & FEED
REGSEL Input Voltage Range
FEED Input Voltage Range
Input Current except FEED
Operating Temperature
Storage Temperature
Continuous Operating Current
(HornS, HornB, Vreg, VO)
SYMBOL
VDD
VOUT
Vin
Vinrs
Vinfd
Iin
TA
TSTG
IO
VALUE
5
12
-.3 to Vreg +.3
-.3 to Vdd +.3
-10 to +22
10
0 to 50
-55 to 125
40
UNITS
V
V
V
V
V
mA
°C
°C
mA
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
Telephone 610.992.0727
Facsimile 610.992.0734
E-mail: rande@randeint.com
Page 1 of 7
DS-RE46C107-012107
This datasheet contains PROPRIETARY and CONFIDENTIAL information.






RE46C107 Datasheet, Funktion
RE46C107
DC to DC Converter, Voltage Regulator and Piezoelectric Horn Driver
Product Specification
Typical Application Circuit
R&E International
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 0.5V at 1 Amp.
2/ Inductor L1 must have maximum peak current rating of at least 1.5A and for best results should have DC resistance of less than
0.3 ohm.
Telephone 610.992.0727
Facsimile 610.992.0734
E-mail: rande@randeint.com
Page 6 of 7
DS-RE46C107-012107
This datasheet contains PROPRIETARY and CONFIDENTIAL information.

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