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SQ2123 Datasheet(PDF) 1 Page - SeCoS Halbleitertechnologie GmbH

Part # SQ2123
Description  CMOS Positive Voltage Regula tor
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Manufacturer  SECOS [SeCoS Halbleitertechnologie GmbH]
Direct Link  http://www.secosgmbh.com
Logo SECOS - SeCoS Halbleitertechnologie GmbH

SQ2123 Datasheet(HTML) 1 Page - SeCoS Halbleitertechnologie GmbH

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Elektronische Bauelemente
SQ2123
CMOS Positive
Voltage Regulator
* Factory Pre-set Output Voltage
Features
* High Accurate
* Over-Temperature Shutdown
± 1.5%
* Very Low Dropout Voltage
*
Noise Reduction Bypass Capacitor
* Short Circuit Current Fold-back
* Guaranteed 300mA output
* Current Limiting
* Portable Electronics
Applications
* PC Peripherals
* Wireless Devices
* Battery Powered Widgets
* Electronic Scales
* Instrumentation
* Cordless Phones
and Current Fold-back to prevent device failure under the "Worst" of
operating conditions. In applications requiring a low noise, regulated supply,
place a 1000pF capacitor between Bypass and Ground. The SQ2123 is
stable with an output capacitance of 2.2µF or greater.
01-Jun-2002 Rev. A
Page 1 of 7
http://www.SeCoSGmbH.com/
Any changing of specification will not be informed individual
RoHS Compliant Product
Typical Application Circuit
Functional Block Diagram
REF.
Min.
Max.
REF.
Millimeter
A
2.70
3.10
G
1.90 REF.
B
2.60
3.00
H
1.20 REF.
C
1.40
1.80
I
0.12 REF.
D
0.30
0.55
J
0.37 REF.
E
0
0.10
K
0.60 REF.
F
10°
L
0.95 REF.
Dimensions
Millimeter
*
Power-Saving Shutdown Mode
SQ2123
IN
OUT
BYP
GND
EN
OUT
IN
+ C1
C3
1uF
2.2uF
C2
1000pF
Description
The SQ2123 series of positive,linear regulators feature low quiescent
current (30µA typ.) with low dropout voltage, making them ideal
f
or battery applications. These rugged devices have both Thermal Shutdown,


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