SC4217 데이터 시트보기 (PDF) - Semtech Corporation
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SC4217 Datasheet PDF : 11 Pages
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SC4217
POWER MANAGEMENT
Very Low Input /Very Low Dropout
3 Amp Regulator With Enable
Features
Input voltage range from 1.8V to 5.5V
Typical 300mV dropout @ 3A
Adjustable output from 1.24V
Over-current and over-temperature protection
Enable pin
10µA shutdown current
Full industrial temperature range
TO263-5 package, fully WEEE and RoHS compliant
Applications
Telecom/networking equipment
Motherboards/peripheral cards
Industrial equipment
Wireless infrastructure
Set-top boxes
Medical equipment
Description
The SC4217 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 1.8V and a programmable output voltage
from 1.24V. The SC4217 features ultra- low dropout, ideal
for applications where VOUT is very close to VIN. Addi-
tionally, the SC4217 has an enable pin to further reduce
power dissipation while shut down. The SC4217 provides
excellent regulation over line, load and temperature.
The SC4217 is available in a TO263-5 package and is fully
WEEE and RoHS compliant.
Typical Application Circuit
EN
SC4217
1
4
VO
EN
VO
2
VIN
VIN
3 GND
ADJ 5
R1
C2
C1
R2
0
0
April 03, 2009
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