參數(shù)資料
型號(hào)： SC4205IS-X.XTR
廠商： Semtech Corporation
英文描述： Very Low Dropout 1 Amp Regulator With Enable
中文描述： 非常低壓差穩(wěn)壓1安培啟用
文件頁數(shù)： 1/8頁
文件大?。?/td> 227K
代理商： SC4205IS-X.XTR
1
www.semtech.com
SC4205
Very Low Dropout
1 Amp Regulator With Enable
POWER MANAGEMENT
Description
Notes:
(1) Maximum VO setpoint for 1.8V parts = 5.4V.
(2) This device is designed to operate with ceramic input and output capacitors.
Revision: June 28, 2004
The SC4205 is a high performance positive voltage
regulator designed for use in applications requiring very
low dropout voltage at up to 1 Amp. Since it has
superior dropout characteristics compared to regular
LDOs, it can be used to supply 2.5V on motherboards or
2.8V on peripheral cards from the 3.3V supply thus
allowing the elimination of costly heatsinks. Additionally,
the SC4205 has an enable pin to further reduce power
dissipation while shut down. The SC4205 provides ex-
cellent regulation over variations in line, load and tem-
perature.
The SC4205 is available in the SOIC-8EDP package with
internally preset outputs that are also adjustable using
external resistors.
350mV dropout @ 1A
Adjustable output from 1.2V to 4.8V
2.5V and 1.8V options (adjustable externally
using resistors)
Over current and over temperature protection
Enable pin
10μA quiescent current in shutdown
Low reverse leakage (output to input)
Surface mount and through-hole packages
Full industrial temperature range
Available in SOIC-8EDP package
Battery powered systems
Motherboards
Peripheral cards
Network cards
Set Top Boxes
Medical Equipment
Notebook Computers
Features
Applications
VIN
C1
C2
U1
SC4205
4
3
2
8
1
5
6
7
NC
VIN
EN
GND
NC
NC
VO
ADJ
VO
ENABLE
VIN
C1
C2
U1
SC4205
4
3
2
8
1
5
6
7
NC
VIN
EN
GND
NC
NC
VO
ADJ
VO
ENABLE
Volts
R2
R2)
(R1
1.2
VO
+
=
Typical Application Circuits
ENABLE
C1
R1
R2
VO
U1
SC4205
4
3
2
8
1
5
6
7
NC
VIN
EN
GND
NC
NC
VO
ADJ
C2
VIN
相關(guān)PDF資料
PDF描述
SC4205IS-X.XTRT Very Low Dropout 1 Amp Regulator With Enable
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