PDF《SLVS297P – APRIL 2000 – REVISED》

2014 5 Terminal Configuration and Functions Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. ADJUST

1 I Output feedback voltage OUTPUT

2 O Regulated output voltage INPUT

3 C Input supply voltage, 2.5 to 40V relative to OUTPUT terminal

6 Specifications 6.1 Absolute Maximum Ratings(1) over operating temperature range (unless otherwise noted) MIN MAX UNIT VI C VO Input-to-output differential voltage

40 V TJ Operating virtual junction temperature

150 °C (1) Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. 6.2 Handling Ratings MIN MAX UNIT TSTG Storage temperature range C65

150 °C 6.3 Recommended Operating Conditions MIN MAX UNIT VI C VO Input-to-output voltage differential 2.5

37 V IO Output current 0.01 0.5 A LM317MKTPR

0 125 LM317MDCY, LM317MDCYR, TJ Operating virtual junction temperature °C LM317MKVURG3, C40

125 LM317MQKTPR, LM317MQDCYR, LM317MQDCYRG3 Copyright ? 2000C2014, Texas Instruments Incorporated Submit Documentation Feedback

3 Product Folder Links: LM317M LM317M SLVS297P CAPRIL 2000CREVISED MARCH

2014 www.ti.com 6.4 Thermal Information LM317M THERMAL METRIC(1) DCY UNIT

4 TERMINALS RθJA Junction-to-ambient thermal resistance 60.2 RθJCtop Junction-to-case (top) thermal resistance 42.0 RθJB Junction-to-board thermal resistance 9.4 °C/W ψJT Junction-to-top characterization parameter 3.4 ψJB Junction-to-board characterization parameter 9.3 RθJCbot Junction-to-case (bottom) thermal resistance n/a (1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953. 6.5 Electrical Characteristics over recommended operating virtual-junction temperature range, VI C VO =

5 V, IO = 0.1 A (unless otherwise noted) PARAMETER TEST CONDITIONS(1) MIN TYP MAX UNIT TJ = 25°C 0.01 0.04 Line regulation(2) VI C VO =

3 V to

40 V %/V Full temperature range 0.02 0.07 TJ = 25°C 0.1 0.5 Load regulation IO =

10 mA to

500 mA %VO Full temperature range 0.3 1.5 ADJUST terminal current

50 100 μA VI C VO........