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SC1565IST-2.5TR

更新时间： 2024-11-10 22:50:19
品牌 Logo 应用领域
商升特 - SEMTECH 稳压器
页数 文件大小 规格书
10页 170K
描述
VERY LOW DROPOUT 1.5 AMP REGULATOR WITH ENABLE

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SC1565IST-2.5TR 数据手册

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VERY LOW DROPOUT 1.5 AMP  
REGULATOR WITH ENABLE  
SC1565  
October 3, 2000  
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com  
DESCRIPTION  
FEATURES  
•= 350mV dropout @ 1.5A  
The SC1565 is a high performance positive voltage  
regulator designed for use in applications requiring very  
low dropout voltage at up to 1.5 Amps. 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 5-lead TO-220 and SO-8 versions  
have an enable pin to further reduce power dissipation  
while shut down. The SC1565 provides excellent  
regulation over variations in line, load and temperature.  
•= Adjustable output from 1.2V to 4.8V(1)  
•= 2.5V and 1.8V options (adjustable externally using  
resistors)(1)  
•= Over current and over temperature protection  
•= Enable pin(1)  
•= 10µA quiescent current in shutdown(1)  
•= Low reverse leakage (output to input)  
•= Surface mount and through-hole packages  
•= Full industrial temperature range  
Note:  
(1) SO-8 and TO-220-5L packages only.  
The SC1565 is available in the popular SO-8 surface  
mount package with two internally preset output voltage  
options, which are also adjustable using external  
resistors. Also available are 5-lead and 3-lead TO-220  
2.5V options (fixed output only for the 3-lead option)  
and fixed output SOT-223 options.  
APPLICATIONS  
•= Battery powered systems  
•= Motherboards  
•= Peripheral cards  
•= PCMCIA cards  
ORDERING INFORMATION  
Notes:  
DEVICE(1)  
SC1565IS-X.X.TR(2)  
SC1565IST-X.X.TR(2)  
SC1565IT-X.X(3)  
PACKAGE  
SO-8  
(1) Where -X.X denotes voltage options. Available  
voltages are: 2.5V and 1.8V. Output voltage can be ad-  
justed (except SOT-223 and TO-220-3) using external  
resistors, see Pin Description.  
(2) Only available in tape and reel packaging. A reel  
contains 2500 devices.  
SOT-223  
TO-220-3  
TO-220-5  
SC1565I5T-X.X(3)  
(3) Only available in tube packaging (no suffix re-  
quired).  
TYPICAL APPLICATIONS  
U1  
EN  
VIN  
VO  
U1  
SC1565I5T-2.5  
1
2
3
4
8
ENABLE  
VIN  
GND  
2
1
4
5
VIN  
VO  
VIN  
EN  
VO  
7
GND  
6
ENABLE  
ADJ  
GND  
3
VO  
GND  
R1  
R2  
5
ADJ GND  
R1  
SC1565IS-X.X  
C1  
C2  
C1  
C2  
1.200 (R1 + R2)  
VO  
=
Volts  
R2  
R2  
1.200 (R1 + R2)  
VO  
=
Volts  
R2  
U1  
SC1565IT-2.5V and SC1565IST-X.X  
3
1
VIN  
VO  
VIN  
VO  
U1  
1
8
ENABLE  
VIN  
EN  
VIN  
VO  
GND  
GND  
GND  
GND  
2
3
4
7
6
5
C1  
C2  
VO  
2
ADJ GND  
C1  
C2  
SC1565IS-X.X  
Notes:  
(1) Maximum VO setpoint for 1.8V parts = 5.4V.  
(2) This device is designed to operate with ceramic input and output capacitors.  
1
© 2000 SEMTECH CORP.  
652 MITCHELL ROAD NEWBURY PARK CA 91320  
1234567...10

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SC1565IST-2.5TR 替代型号

型号 品牌 替代类型 描述 数据表
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