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LM317

National Semiconductor
Part Number LM317
Manufacturer National Semiconductor
Description 3-Terminal Adjustable Regulator
Published Mar 22, 2005
Detailed Description LM117/LM317A/LM317 3-Terminal Adjustable Regulator April 2007 LM117/LM317A/LM317 3-Terminal Adjustable Regulator Gene...
Datasheet PDF File LM317 PDF File

LM317
LM317

Overview
LM117/LM317A/LM317 3-Terminal Adjustable Regulator April 2007 LM117/LM317A/LM317 3-Terminal Adjustable Regulator General Description The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 1.
5A over a 1.
2V to 37V output range.
They are exceptionally easy to use and require only two external resistors to set the output voltage.
Further, both line and load regulation are better than standard fixed regulators.
Also, the LM117 is packaged in standard transistor packages which are easily mounted and handled.
In addition to higher performance than fixed regulators, the LM117 series offers full overload protection available only in IC's.
Included on the chip are current limit, thermal overload protection and safe area protection.
All overload protection circuitry remains fully functional even if the adjustment terminal is disconnected.
Normally, no capacitors are needed unless the device is situated more than 6 inches from the input filter...


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