re commonly used to provide improved output impedance and rejection of transients. Figure 1. 1.2V-25V Adjustable Regulator LM117/LM317A/LM317-N Package Options Part Number Package Drawing Package Type NDS TO-3 LM117K STEEL LM317K LM317AT LM317T NDE TO-220 LM317T/LF01 NDG LM317S KTT TO-263 DCY SOT-223 NDT TO LM317AEMP LM317EMP Output Current 1.5A 1.0A LM117H LM317AH LM317H LM317AMDT LM317MDT 0.5A NDP TO-252 NOTE For part numbers that can be ordered, please see the Package Option Addendum at the end of the datasheet. SOT-223 vs. TO-252 Packages Figure 2. Scale 1:1 2 Submit Documentation Feedback Copyright (c) 2004-2013, Texas Instruments Incorporated Product Folder Links: LM117 LM317A LM317-N LM117, LM317A, LM317-N www.ti.com SNVS774N - MAY 2004 - REVISED AUGUST 2013 Connection Diagrams CASE IS OUTPUT CASE IS OUTPUT Figure 3. TO-3 (NDS) Metal Can Package Bottom View Package Drawing NDS Figure 4. TO (NDT) Metal Can Package Bottom View Package Drawing NDT Figure 5. TO-263 (KTT) Surface-Mount Package

re commonly used to provide improved output impedance and rejection of transients. Figure 1. 1.2V-25V Adjustable Regulator LM117/LM317A/LM317-N Package Options Part Number Package Drawing Package Type NDS TO-3 LM117K STEEL LM317K LM317AT LM317T NDE TO-220 LM317T/LF01 NDG LM317S KTT TO-263 DCY SOT-223 NDT TO LM317AEMP LM317EMP Output Current 1.5A 1.0A LM117H LM317AH LM317H LM317AMDT LM317MDT 0.5A NDP TO-252 NOTE For part numbers that can be ordered, please see the Package Option Addendum at the end of the datasheet. SOT-223 vs. TO-252 Packages Figure 2. Scale 1:1 2 Submit Documentation Feedback Copyright (c) 2004-2013, Texas Instruments Incorporated Product Folder Links: LM117 LM317A LM317-N LM117, LM317A, LM317-N www.ti.com SNVS774N - MAY 2004 - REVISED AUGUST 2013 Connection Diagrams CASE IS OUTPUT CASE IS OUTPUT Figure 3. TO-3 (NDS) Metal Can Package Bottom View Package Drawing NDS Figure 4. TO (NDT) Metal Can Package Bottom View Package Drawing NDT Figure 5. TO-263 (KTT) Surface-Mount Package

DPAK/ TO-263 KTT 3 45 Green (RoHS & no Sb/Br) SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 Green (RoHS & no Sb/Br) SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317T NRND TO-220 NDE 3 45 TBD Call TI Call TI LM317T P+ LM317T/LF01 ACTIVE TO-220 NDG 3 45 Green (RoHS & no Sb/Br) SN Level-4-260C-72 HR LM317T P+ LM317T/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) SN Level-1-NA-UNLIM The marketing status values are defined as follows: Addendum-Page 1 0 to 125 LM317T P+ Samples PACKAGE OPTION ADDENDUM www.ti.com 9-Jun-2020 ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the pro

AK/ TO-263 KTT 3 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317T NRND TO-220 NDE 3 45 TBD Call TI Call TI LM317T P+ LM317T/LF01 ACTIVE TO-220 NDG 3 45 Pb-Free (RoHS Exempt) CU SN Level-4-260C-72 HR LM317T P+ LM317T/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. Addendum-Page 1 0 to 125 LM317T P+ Samples PACKAGE OPTION

AK/ TO-263 KTT 3 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317T NRND TO-220 NDE 3 45 TBD Call TI Call TI LM317T P+ LM317T/LF01 ACTIVE TO-220 NDG 3 45 Pb-Free (RoHS Exempt) CU SN Level-4-260C-72 HR LM317T P+ LM317T/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. Addendum-Page 1 0 to 125 LM317T P+ Samples PACKAGE OPTION

/ TO-263 KTT 3 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317T ACTIVE TO-220 NDE 3 45 TBD Call TI Call TI LM317T P+ LM317T/LF01 ACTIVE TO-220 NDG 3 45 Pb-Free (RoHS Exempt) CU SN Level-4-260C-72 HR LM317T P+ LM317T/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM 0 to 125 LM317T P+ (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly

AK/ TO-263 KTT 3 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317T NRND TO-220 NDE 3 45 TBD Call TI Call TI LM317T P+ LM317T/LF01 ACTIVE TO-220 NDG 3 45 Pb-Free (RoHS Exempt) CU SN Level-4-260C-72 HR LM317T P+ LM317T/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM Addendum-Page 1 0 to 125 LM317T P+ Samples PACKAGE OPTION ADDENDUM www.ti.com 30-Sep-2015 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinue

KTT 3 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317T ACTIVE TO-220 NDE 3 45 TBD CU SNPB Level-1-NA-UNLIM LM317T P+ LM317T/LF01 ACTIVE TO-220 NDG 3 45 Pb-Free (RoHS Exempt) CU SN Level-4-260C-72 HR LM317T P+ LM317T/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM (1) 0 to 125 The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. Addendum-Page 2 LM317AT P+ LM317T P+ Samples PACK

b/Br) CU SN Level-2-260C-1 YEAR LM317S/NOPB ACTIVE DDPAK/ TO-263 KTT 3 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR LM317T ACTIVE TO-220 NDE 3 45 TBD CU SNPB LM317T/LF01 ACTIVE TO-220 NDG 3 45 Pb-Free (RoHS Exempt) CU SN Level-4-260C-72 HR LM317T/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM Level-1-NA-UNLIM (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) Eco Plan - The planned eco-friendly classificat

TO-263 KTT 3 45 RoHS-Exempt & Green SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 RoHS-Exempt & Green SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317T NRND TO-220 NDE 3 45 Non-RoHS & Green Call TI Call TI LM317T P+ LM317T/LF01 ACTIVE TO-220 NDG 3 45 RoHS-Exempt & Green SN Level-4-260C-72 HR LM317T P+ LM317T/NOPB ACTIVE TO-220 NDE 3 45 RoHS & Green SN Level-1-NA-UNLIM Addendum-Page 1 0 to 125 LM317T P+ Samples PACKAGE OPTION ADDENDUM www.ti.com 11-Jan-2021 (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of

/ TO-263 KTT 3 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317SX/NOPB ACTIVE DDPAK/ TO-263 KTT 3 500 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR 0 to 125 LM317S P+ LM317T ACTIVE TO-220 NDE 3 45 TBD Call TI Call TI LM317T P+ LM317T/LF01 ACTIVE TO-220 NDG 3 45 Pb-Free (RoHS Exempt) CU SN Level-4-260C-72 HR LM317T P+ LM317T/NOPB ACTIVE TO-220 NDE 3 45 Green (RoHS & no Sb/Br) CU SN Level-1-NA-UNLIM (1) 0 to 125 The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. Addendum-Page 2 LM317AT P+ LM317T P+ Samples PACK