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REG1117-285 PDF预览

REG1117-285

更新时间: 2024-11-04 23:32:39
品牌 Logo 应用领域
其他 - ETC 稳压器
页数 文件大小 规格书
12页 385K
描述
800mA and 1A Low Dropout (LDO) Positive Regulator 1.8V. 2.5V. 2.85V. 3.3V. 5V. and Adj

REG1117-285 数据手册

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REG1117  
REG1117A  
R
E
G
1
1
1
7
SBVS001B – OCTOBER 2001  
800mA and 1A Low Dropout Positive Regulator  
1.8V, 2.5V, 2.85V, 3.3V, 5V, and Adjustable  
DESCRIPTION  
FEATURES  
The REG1117 is a family of easy-to-use three-terminal  
voltage regulators. The family includes a variety of fixed-  
and adjustable-voltage versions, two currents (800mA and  
1A) and two package types (SOT-223 and DDPAK). See the  
chart below for available options.  
FIXED AND ADJUSTABLE VERSIONS  
2.85V MODEL FOR SCSI-2 ACTIVE TERMINATION  
OUTPUT CURRENT:  
REG1117: 800mA max  
REG1117A: 1A max  
Output voltage of the adjustable versions is set with two  
external resistors. The REG1117’s low dropout voltage  
allows its use with as little as 1V input-output voltage  
differential.  
OUTPUT TOLERANCE: ±1% max  
DROPOUT VOLTAGE:  
REG1117: 1.2V max at IO = 800mA  
REG1117A: 1.3V max at IO = 1A  
Laser trimming assures excellent output voltage accuracy  
without adjustment. An NPN output stage allows output  
stage drive to contribute to the load current for maximum  
efficiency.  
INTERNAL CURRENT LIMIT  
THERMAL OVERLOAD PROTECTION  
SOT-223 AND DDPAK SURFACE-MOUNT PACKAGES  
800mA  
SOT-223  
1A  
APPLICATIONS  
SCSI-2 ACTIVE TERMINATION  
VOLTAGE  
1.8V  
DDPAK  
SOT-223  
DDPAK  
2.5V  
HAND-HELD DATA COLLECTION DEVICES  
HIGH EFFICIENCY LINEAR REGULATORS  
BATTERY POWERED INSTRUMENTATION  
2.85V  
3.3V  
5V  
BATTERY MANAGEMENT CIRCUITS FOR  
Adj.  
NOTEBOOK AND PALMTOP PCs  
CORE VOLTAGE SUPPLY: FPGA, PLD, DSP, CPU  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 1992, Burr-Brown Corporation  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
www.ti.com  

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