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Very Low Input /Very Low Dropout
3 Amp Regulator With Enable
Description
The SC427 is a 3A, high performance LDO designed for
use in applications requiring very low input voltage and
very low dropout voltage. It operates with an input volt-
age as low as .8V and a programmable output voltage
from .24V. The SC427 features ultra- low dropout, ideal
for applications where V
OUT
is very close to V
IN
. Addi-
tionally, the SC427 has an enable pin to further reduce
power dissipation while shut down. The SC427 provides
excellent regulation over line, load and temperature.
The SC427 is available in a TO263-5 package and is fully
WEEE and RoHS compliant.
Input voltage range from .8V to 5.5V
Typical 300mV dropout @ 3A
Adjustable output from .24V
Over-current and over-temperature protection
Enable pin
0碌A(chǔ) shutdown current
Full industrial temperature range
TO263-5 package, fully WEEE and RoHS compliant
Applications
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Telecom/networking equipment
Motherboards/peripheral cards
Industrial equipment
Wireless infrastructure
Set-top boxes
Medical equipment
Typical Application Circuit
EN
1
2
SC4217
EN
VIN
GND
ADJ
VO
4
VO
VIN
3
C1
5
R1
C2
R2
0
0
October 29, 2007
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