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SC1592 Fiches technique(PDF) 1 Page - Semtech Corporation

No de pièce SC1592
Description  Low Dropout High Performance Adjustable Positive Voltage Regulator
Download  18 Pages
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Fabricant  SEMTECH [Semtech Corporation]
Site Internet  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC1592 Fiches technique(HTML) 1 Page - Semtech Corporation

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POWER MANAGEMENT
SC1592
Low Dropout High Performance
Adjustable Positive Voltage Regulator
Revision: January 27, 2004
Description
Features
Applications
Typical Application Circuit
The SC1592 is a 3A low dropout high performance
linear voltage regulator, that provides a low voltage, high
current output with a minimum of external components,
utilizing dual supply configuration.
The SC1592 offers a wide input voltage range from 1.25V
to 16V and is ideal for applications that need to convert
down to 0.8V.
Additionally, the SC1592 is fully protected with an exter-
nally programmable current limit, and thermal shutdown.
Also, there is an EN input which enables or shuts down
the device.
The SC1592 voltage regulator is available in 7-lead DDPAK
and SOIC-8L EDP packages.
Wide input range, V
IN = 1.25V to 16V,
V
CNTL = 3V to 16V
3A Guaranteed Output Current
260mV (typ) @ 3A dropout voltage in dual supply
mode
1% Initial Accuracy
Adjustable output voltage, down to 0.8V
Programmable current limiting and thermal
shutdown
Fast transient response
Excellent line and load regulation
Power SO-8 and 7-lead DDPAK
Low voltage logic supplies
Microprocessor and chipset supplies
Split plane microprocessor supplies
Advanced graphics cards supplies
Sound cards and auxiliary power supplies
SMPS post regulator
C1
1uF
C2
10uF
R1
100
C3
47uF(cer)
R3
53
R2
66.5
+1.8V Vout
+3.3V Vcntl
+2.5V Vin
SC1592
CNTL
IN
OUT
SENSE
ILIM
EN
GND
TTL
.
typ
V
8
.
0
V
V
)
3
R
2
R
1
(
V
REF
REF
OUT
=
+
=


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