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REG1117A

Burr-Brown Corporation
Part Number REG1117A
Manufacturer Burr-Brown Corporation
Description 800mA and 1A Low Dropout Positive Regulator
Published Apr 16, 2005
Detailed Description REG1117 REG1117A SBVS001D − OCTOBER 1992 − REVISED JULY 2004 800mA and 1A Low Dropout Positive Regulator 1.8V, 2.5V, 2....
Datasheet PDF File REG1117A PDF File

REG1117A
REG1117A

Overview
REG1117 REG1117A SBVS001D − OCTOBER 1992 − REVISED JULY 2004 800mA and 1A Low Dropout Positive Regulator 1.
8V, 2.
5V, 2.
85, 3.
3V, 5V, and Adjustable FEATURES D FIXED AND ADJUSTABLE VERSIONS D 2.
85V MODEL FOR SCSI-2 ACTIVE TERMINATION D OUTPUT CURRENT: REG1117: 800mA max REG1117A: 1A max D OUTPUT TOLERANCE: +1% max D DROPOUT VOLTAGE: REG1117: 1.
2V max at IO = 800mA REG1117A: 1.
3V max at IO = 1A D INTERNAL CURRENT LIMIT D THERMAL OVERLOAD PROTECTION D SOT-223 AND DDPAK SURFACE-MOUNT PACKAGES APPLICATIONS D SCSI-2 ACTIVE TERMINATION D HAND-HELD DATA COLLECTION DEVICES D HIGH EFFICIENCY LINEAR REGULATORS D BATTERY-POWERED INSTRUMENTATION D BATTERY MANAGEMENT CIRCUITS FOR NOTEBOOK AND PALMTOP PCs D CORE VOLTAGE SUPPLY: FPGA, PLD, DSP, CPU DESCRIPTION The REG1117 is a family of easy-to-use three-terminal voltage regulators.
The family includes a variety of fixedand adjustable-voltage versions, two currents (800mA and 1A) and two package types (SOT-223 and DDPAK).
See the chart below for available options.
Output voltage of the adjustable versions is set with two external resistors.
The REG1117 low dropout voltage allows its use with as little as 1V input-output voltage differential.
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.
VOLTAGE 1.
8V 2.
5V 2.
85V 3.
3V 5V Adjustable 800mA SOT-223 DDPAK n nn n n 1A SOT-223 DDPAK nn nn n nn 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.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
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