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Datasheet Fairchild LM317D2TXM

3-Terminal Positive Adjustable Regulator

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  LM317 3-Terminal Positive Adjustable Regulator March 2000 Revised June 2005 LM317 3-Terminal Positive Adjustable Regulator
  General Description
  This monolithic integrated circuit is an adjustable 3-terminal positive voltage regulator designed to supply more than 1.5A of load current with an output voltage adjustable over a 1.2 to 37V. It employs internal current limiting, thermal shut-down and safe area compensation. Feature Output Current In Excess of 1.5A s Output Adjustable Between 1.2V and 37V s Internal Thermal Overload Protection s Internal Short Circuit Current Limiting s Output Transistor Safe Operating Area Compensation s TO-220 Package s D2 PAK Package Ordering Code:
  Product Number LM317T LM317D2TXM Package TO-220 D2 PAK Operating Temperature 0qC to 125qC 0qC to 125qC Connection Diagrams Internal Block Diagram © 2005 Fairchild Semiconductor Corporation DS400281 www.fairchildsemi.com LM317 Absolute Maximum Ratings
  Parameter Input-Output Voltage Differential Lead Temperature Power Dissipation Operating Junction Temperature Range Storage Temperature Range Temperature Coefficient of Output Voltage Symbol VI - VO TLEAD PD Tj TSTG Value 40 230 Internally limited 0 a 125 Unit V qC
  W 'VO/'T 65 a 125 r0.02 qC qC % / qC Note 1: Absolute Maximum Ratings: are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the absolute maximum ratings. The "Recommended Operating Conditions" table will define the conditions for actual device operation. Electrical Characteristic
  (VI - VO 5V, IO 0.5A, 0qC d TJ d 125qC, IMAX
  Symbol Rline TA 1.5A, PDMAX
  25qC 20W, unless otherwise specified)
  Conditions Min ­­ ­ ­ Typ 0.01 0.02 18.0 0.4 ­ ­ ­ ­ 40.0 0.8 46.0 2.0 Max 0.04 0.07 25.0 0.5 70.0 1.5 100 5.0 mV% / VO Unit %/V %/V mV% / VO Parameter Line Regulation (Note 2) 3V d VI VO d 40V 3V d VI VO d 40V Load Regulation (Note 2) Rload TA 25qc, 10mA d IO d IMAX VO 5V VO t 5V 10mA d IO d IMAX VO 5V VO t 5V Adjustable Pin Current Adjustable Pin Current Change Reference Voltage IADJ PA PA 'IADJ
  VREF 3V d VI VO d 40V 10mA d IO d IMAX PD d PMAX 3V d VIN - VO d 40V 10mA d IO d IMAX PD d PMAX 1.20 ­ ­ ­ 1.0 1.25 0.7 3.5 2.2 0.3 1.30 ­ 12.0 ­ 0.01 ­ 1.0 ­ V % / VO mA A % / VO dB % Temperature Stability Minimum Load Current to Maintain Regulation Maximum Output Current STT IL(MIN) IO(MAX) VI - VO 40V VI - VO d 15V, PD d PMAX VI - VO d 40V, PD d PMAX TA 25qC RMS Noise,% of VOUT Ripple Rejection Long-Term Stability, TJ THIGH eN RR ...

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• LM317D2TXM

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