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lm317t参数:The LM117 series of adjustable 3-terminal posiTIve voltageregulators is capable of supplying in excess of 1.5A over a1.2V to 37V output range. They are excepTIonally easy touse and require only two external resistors to set the outputvoltage. Further, both line and load regulaTIon are better thanstandard fixed regulators. Also, the LM117 is packaged instandard transistor packages which are easily mounted andhandled.In addiTIon to higher performance than fixed regulators, theLM117 series offers full overload protection available only inIC’s. Included on the chip are current limit, thermal overloadprotection and safe area protection. All overload protectioncircuitry remains fully functional even if the adjustment terminal is disconnected.
