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LM1117MPX-ADJ/NOPB 参数 Datasheet PDF下载

LM1117MPX-ADJ/NOPB图片预览
型号: LM1117MPX-ADJ/NOPB
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内容描述: LM1117 -N / LM1117I 800毫安低压差线性稳压器 [LM1117-N/LM1117I 800mA Low-Dropout Linear Regulator]
分类和应用: 稳压器
文件页数/大小: 32 页 / 2517 K
品牌: TI [ TEXAS INSTRUMENTS ]
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SNOS412M – FEBRUARY 2000 – REVISED MARCH 2013
LM1117-N/LM1117I 800mA Low-Dropout Linear Regulator
Check for Samples:
1
FEATURES
Available in 1.8V, 2.5V, 2.85V, 3.3V, 5V, and
Adjustable Versions
Space Saving SOT-223 and WSON Packages
Current Limiting and Thermal Protection
Output Current 800mA
Line Regulation 0.2% (Max)
Load Regulation 0.4% (Max)
Temperature Range
– LM1117-N: 0°C to 125°C
– LM1117I:
−40°C
to 125°C
DESCRIPTION
The LM1117-N is a series of low dropout voltage
regulators with a dropout of 1.2V at 800mA of load
current. It has the same pin-out as Texas
Instruments' industry standard LM317.
The LM1117-N is available in an adjustable version,
which can set the output voltage from 1.25V to 13.8V
with only two external resistors. In addition, it is also
available in five fixed voltages, 1.8V, 2.5V, 2.85V,
3.3V, and 5V.
The LM1117-N offers current limiting and thermal
shutdown. Its circuit includes a zener trimmed
bandgap reference to assure output voltage accuracy
to within ±1%.
The LM1117-N series is available in WSON, PFM,
SOT-223, TO-220, and TO-263 DDPAK packages. A
minimum of 10µF tantalum capacitor is required at
the output to improve the transient response and
stability.
2
APPLICATIONS
2.85V Model for SCSI-2 Active Termination
Post Regulator for Switching DC/DC Converter
High Efficiency Linear Regulators
Battery Charger
Battery Powered Instrumentation
TYPICAL APPLICATION
Active Terminator for SCSI-2 Bus
Figure 1. Fixed Output Regulator
1
2
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.
All trademarks are the property of their respective owners.
Copyright © 2000–2013, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.