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LM117 - 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.

Key Features

  • Guaranteed 1% output voltage tolerance (LM317A).
  • Guaranteed max. 0.01%/V line regulation (LM317A).
  • Guaranteed max. 0.3% load regulation (LM117).
  • Guaranteed 1.5A output current.
  • Adjustable output down to 1.2V.
  • Current limit constant with temperature.
  • P+ Product Enhancement tested.
  • 80 dB ripple rejection.
  • Output is short-circuit protected Typical.

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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.