C1 recommended to filter out input transients. DS0433 - Rev 20 page 12/32 LM217, LM317 Device summary 7 Device summary Table 6. Device summary Order codes TO-220 (single gauge) TO-220 (double gauge) DPAK (tape and reel) LM217T LM217T-DG LM217D2T-TR LM317T LM317T-DG LM317D2T-TR TO-220FP LM317P LM317BT DS0433 - Rev 20 page 13/32 LM217, LM317 Package information 8 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. DS0433 - Rev 20 page 14/32 LM217, LM317 TO-220 (single gauge) package information 8.1 TO-220 (single gauge) package information Figure 14. TO-220 (single gauge) package outline 8174627_5 DS0433 - Rev 20 page 15/32 LM217, LM317 TO-220 (single gauge) package information Table 7. TO-220 (single gauge) mechanical data Dim. DS0433 - Rev 2

C1 recommended to filter out input transients. DS0433 - Rev 20 page 12/32 LM217, LM317 Device summary 7 Device summary Table 6. Device summary Order codes TO-220 (single gauge) TO-220 (double gauge) DPAK (tape and reel) LM217T LM217T-DG LM217D2T-TR LM317T LM317T-DG LM317D2T-TR TO-220FP LM317P LM317BT DS0433 - Rev 20 page 13/32 LM217, LM317 Package information 8 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK(R) packages, depending on their level of environmental compliance. ECOPACK(R) specifications, grade definitions and product status are available at: www.st.com. ECOPACK(R) is an ST trademark. DS0433 - Rev 20 page 14/32 LM217, LM317 TO-220 (single gauge) package information 8.1 TO-220 (single gauge) package information Figure 14. TO-220 (single gauge) package outline 8174627_5 DS0433 - Rev 20 page 15/32 LM217, LM317 TO-220 (single gauge) package information Table 7. TO-220 (single gauge) mechanical data Dim. DS0433 - Rev 2

a resistive divider, making the device exceptionally easy to use and eliminating the stocking of many fixed regulators. Table 1. DPAK TO-3 Device summary Order codes TO-220 DPAK (tape and reel) TO-220FP TO-3 LM117K LM217T LM317T LM217T-DG (1) LM217D2T-TR LM317T-DG (1) LM317D2T-TR LM217K LM317P LM317K 1. TO-220 Dual Gauge frame. February 2012 Doc ID 2154 Rev 18 1/25 www.st.com 25 Contents LM117, LM217, LM317 Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Application information . . . . . . . . . . . .

ating operation for high voltages * Complete series of protections: current limiting, thermal shutdown and SOA control Table 1. Device summary Order codes TO-220 (single gauge) TO-220 (double gauge) DPAK (tape and reel) LM217T LM217T-DG LM217D2T-TR LM317T LM317T-DG LM317D2T-TR TO-220FP LM317P LM317BT March 2014 This is information on a product in full production. DocID2154 Rev 19 1/25 www.st.com Contents LM217, LM317 Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6 Application information . . . . . . .

V Pentawatt Output Output Input-Output Volt. Voltage (V) Current (A) Diff. (Max.) (V) 2.85-36 2.0 MOUSER STOCK NO. Surface Mount 511-LM217LD13TR 511-LM317LD13TR 511-LM217D2T-TR 511-LM317D2T-TR 511-LM317MDT-TR Thru Hole 511-LM217T 511-LM317P 511-LM317T 511-LM317T-DG Temperature Range (C) 0.5 0.6 0 to 70 Line Regulation (%/V) (Max.) Load Regulation (%/V) (Max.) Temperature Range (C) 1 Price Each 10 100 - 1.4 -25 to 150 3.39 2.88 2.49 Line Regulation (%/V) (Max.) Load Regulation (%/V) (Max.) Temperature Range (C) 60 POSITIVE ADJUSTABLE VOLTAGE REGULATORS .30 For quantities greater than listed, call for quote. Price Each 10 SO-8 SO-8 TO-263 TO-263 TO-252 1.2-37 1.2-37 1.2-37 1.2-37 1.2-37 0.1 0.1 1.5 1.5 1.5 40 40 40 40 40 0.02 0.02 0.02 0.04 0.04 0.015 0.3 0.015 0.5 0.5 -25 to 150 0 to 125 -25 to 150 0 to 125 0 to 125 .50 .40 .85 .78 .43 .385 .306 .728 .651 .357 .209 .166 .559 .42 .218 TO-220AB TO-220FP TO-220AB TO-220 1.2-37 1.2-37 1.2-37 1.2-37 1.5 1.5 1.5 1.5 40 40 40 40 0.02 0.04 0.04 0.04 0.015

C1 recommended to filter out input transients. DS0433 - Rev 21 page 12/31 LM217, LM317 Device summary 7 Device summary Table 6. Device summary Order codes TO-220 (single gauge) TO-220 (double gauge) DPAK (tape and reel) LM217T LM217T-DG LM217D2T-TR LM317T LM317T-DG LM317D2T-TR TO-220FP LM317P LM317BT DS0433 - Rev 21 page 13/31 LM217, LM317 Package information 8 Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK is an ST trademark. 8.1 TO-220 (single gauge) package information Figure 14. TO-220 (single gauge) package outline 8174627_5 DS0433 - Rev 21 page 14/31 LM217, LM317 TO-220 (single gauge) package information Table 7. TO-220 (single gauge) mechanical data Dim. DS0433 - Rev 21 mm Min. Typ. Max. A 4.40 4.60 b 0.61 0.88 b1 1.14 1.70 c 0.48 0.70 D 15.25 15.75 E 10.00

means of only a resistive divider, making the device exceptionally easy to use and eliminating the stocking of many fixed regulators. Table 1. DPAK TO-3 Device summary Order codes TO-220 DPAK (tape and reel) TO-220FP TO-3 LM117K LM217T LM317T LM217D2T-TR LM317T-DG (1) LM317D2T-TR LM217K LM317P LM317K 1. TO-220 Dual Gauge frame. November 2011 Doc ID 2154 Rev 17 1/25 www.st.com 25 Contents LM117, LM217, LM317 Contents 1 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 5 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 6 Application information . . . . . . . . . . . .