1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (C) Device Marking (3) (4/5) (6) LM2679S-12/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM2679 S-12 LM2679S-3.3 NRND DDPAK/ TO-263 KTW 7 45 Non-RoHS & Green Call TI Call TI -40 to 125 LM2679 S-3.3 LM2679S-3.3/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM2679 S-3.3 LM2679S-5.0 NRND DDPAK/ TO-263 KTW 7 45 Non-RoHS & Green Call TI Call TI -40 to 125 LM2679 S-5.0 LM2679S-5.0/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM2679 S-5.0 LM2679S-ADJ NRND DDPAK/ TO-263 KTW 7 45 Non-RoHS & Green Call TI Call TI -40 to 125 LM2679 S-ADJ LM2679S-ADJ/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM2679 S-ADJ LM2679SD-3.3/NOPB ACTIVE VSON NHM 14 250 RoHS & Green SN Level-1-260C-UNLIM -40 to 125 S0003HB LM2679SD-5.0/N
00847 www.national.com LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit February 21, 2008 LM2679 Connection Diagrams and Ordering Information TO-263 Package Top View TO-220 Package Top View 10084701 10084702 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View 10084735 LLP-14 See NS package Number SRC14A Ordering Information for LLP Package Output Voltage Order Information Package Marking Supplied As 12 LM2679SD-12 S0003FB 250 Units on Tape and Reel 12 LM2679SDX-12 S0003FB 2500 Units on Tape and Reel 3.3 LM2679SD-3.3 S0003HB 250 Units on Tape and Reel 3.3 LM2679SDX-3.3 S0003HB 2500 Units on Tape and Reel 5.0 LM2679SD-5.0 S0003JB 250 Units on Tape and Reel 5.0 LM2679SDX-5.0 S0003JB 2500 Units on Tape and Reel ADJ LM2679SD-ADJ S0003KB 250 Units on Tape and Reel ADJ LM2679SDX-ADJ S0003KB 2500 Units on Tape and Reel www.natio
tus (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (C) Device Marking (4/5) LM2679S-12/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM2679 S-12 LM2679S-3.3 NRND DDPAK/ TO-263 KTW 7 45 TBD Call TI Call TI -40 to 125 LM2679 S-3.3 LM2679S-3.3/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM2679 S-3.3 LM2679S-5.0 NRND DDPAK/ TO-263 KTW 7 45 TBD Call TI Call TI -40 to 125 LM2679 S-5.0 LM2679S-5.0/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM2679 S-5.0 LM2679S-ADJ NRND DDPAK/ TO-263 KTW 7 45 TBD Call TI Call TI -40 to 125 LM2679 S-ADJ LM2679S-ADJ/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM2679 S-ADJ LM2679SD-12 ACTIVE VSON NHM 14 250 TBD Call TI Call TI -40 to 125 S0003FB LM2679SD-3.3/NOPB ACTIVE VSON NHM 14 250 Green (RoHS & no S
tus (1) Package Type Package Pins Package Drawing Qty Eco Plan Lead/Ball Finish MSL Peak Temp (2) (6) (3) Op Temp (C) Device Marking (4/5) LM2679S-12/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM2679 S-12 LM2679S-3.3 NRND DDPAK/ TO-263 KTW 7 45 TBD Call TI Call TI -40 to 125 LM2679 S-3.3 LM2679S-3.3/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM2679 S-3.3 LM2679S-5.0 NRND DDPAK/ TO-263 KTW 7 45 TBD Call TI Call TI -40 to 125 LM2679 S-5.0 LM2679S-5.0/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM2679 S-5.0 LM2679S-ADJ NRND DDPAK/ TO-263 KTW 7 45 TBD Call TI Call TI -40 to 125 LM2679 S-ADJ LM2679S-ADJ/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 Pb-Free (RoHS Exempt) CU SN Level-3-245C-168 HR -40 to 125 LM2679 S-ADJ LM2679SD-3.3/NOPB ACTIVE VSON NHM 14 250 Green (RoHS & no Sb/Br) CU SN Level-1-260C-UNLIM -40 to 125 S0003HB LM2679SD-5.0/NOPB ACTIVE
abeyo, uUMog-da}1S VS oHAHOLIMS J1dWNIS 6Z9ZIN1Connection Diagram and Ordering Information TO-263 Package Top View 7 SOFTSTART }1TT) 6 FEEDBACK PTO 5 CURRENT ADJUST Tab is >| PTT 4 GROUND Ground P13 BOOST Pr 2 INPUT 1 SWITCH OUTPUT DS100847-1 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B TO-220 Package Top View 7 SOFTSTART 6 FEEDBACK 5 CURRENT ADJUST Tab is O 4 GROUND Ground 3 C BOOST 2 INPUT 1 SWITCH OUTPUT DS 100847-2 3 Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B www.national.com 2Absolute Maximum Ratings (note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Soldering Temperature Wave Infrared Vapor Phase Input Supply Voltage 45V . . Softstart Pin Voltage -0.1V to 6V Operating Ratings Switch Voltage to Ground -1V to Vin Supply Voltage Boost Pin Voltage Vow + 8V Junction Temperature Rang
n DS100847 www.national.com LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit October 2003 LM2679 Connection Diagrams and Ordering Information TO-263 Package Top View TO-220 Package Top View 10084701 10084702 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View 10084735 LLP-14 See NS package Number SRC14A Ordering Information for LLP Package Output Voltage Order Information Package Marking Supplied As 12 LM2679SD-12 S0003FB 12 LM2679SDX-12 S0003FB 2500 Units on Tape and Reel 3.3 LM2679SD-3.3 S0003HB 250 Units on Tape and Reel 3.3 LM2679SDX-3.3 S0003HB 2500 Units on Tape and Reel 5.0 LM2679SD-5.0 S0003JB 250 Units on Tape and Reel 5.0 LM2679SDX-5.0 S0003JB 2500 Units on Tape and Reel ADJ LM2679SD-ADJ S0003KB 250 Units on Tape and Reel ADJ LM2679SDX-ADJ S0003KB 2500 Units on Tape and Reel www.national.com 2 250 Units on Tape
1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (C) Device Marking (3) (4/5) (6) LM2679S-12/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM2679 S-12 LM2679S-3.3 NRND DDPAK/ TO-263 KTW 7 45 Non-RoHS & Non-Green Call TI Call TI -40 to 125 LM2679 S-3.3 LM2679S-3.3/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM2679 S-3.3 LM2679S-5.0 NRND DDPAK/ TO-263 KTW 7 45 Non-RoHS & Non-Green Call TI Call TI -40 to 125 LM2679 S-5.0 LM2679S-5.0/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM2679 S-5.0 LM2679S-ADJ NRND DDPAK/ TO-263 KTW 7 45 Non-RoHS & Non-Green Call TI Call TI -40 to 125 LM2679 S-ADJ LM2679S-ADJ/NOPB ACTIVE DDPAK/ TO-263 KTW 7 45 RoHS-Exempt & Green SN Level-3-245C-168 HR -40 to 125 LM2679 S-ADJ LM2679SD-3.3/NOPB ACTIVE VSON NHM 14 250 RoHS & Green SN Level-1-260C-UNLIM -40 to 125 S0003HB LM
ation DS100847 www.national.com LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit May 2002 LM2679 Connection Diagrams and Ordering Information TO-263 Package Top View TO-220 Package Top View 10084701 10084702 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View 10084735 LLP-14 See NS package Number LDC14A Ordering Information for LLP Package Output Voltage Order Information Package Marking Supplied As 12 LM2679LD-12 S0000VB 1000 Units on Tape and Reel 12 LM2679LDX-12 S0000VB 4500 Units on Tape and Reel 3.3 LM2679LD-3.3 S0000TB 1000 Units on Tape and Reel 3.3 LM2679LDX-3.3 S0000TB 4500 Units on Tape and Reel 5.0 LM2679LD-5.0 S0000UB 1000 Units on Tape and Reel 5.0 LM2679LDX-5.0 S0000UB 4500 Units on Tape and Reel ADJ LM2679LD-ADJ S0000XB 1000 Units on Tape and Reel ADJ LM2679LDX-ADJ S0000XB 4500 Units on Tape and Reel www.n
is is the most current version from Tim. SN Edited by Tim on April 22. DS100847 19980401 LM 2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit LM2679 2008 2 LM2679 TO-263 Package Top View TO-220 Package Top View Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View LLP-14 See NS package Number SRC14A LLP www.national.com/JPN/ 2 (Note 13) Boost ESD (Note 2) - 65 150 45V - 0.1V 6V - 1V VIN 4 260 10 240 75 219 VSW 8V - 0.3V 14V 2 kV (TJ) 8V 40V - 40 125 - 40 125 TA TJ 25 RADJ 5.6k LM2679-3.3 LM2679-5.0 LM2679-12 LM2679-ADJ 3 www.national.com/JPN/ LM2679 (Note 1) LM2679 - 40 125 TA TJ 25 3.3V5V VIN 12V12V VIN 24V www.national.com/JPN/ 4 Note 1: Note 2: ESD 100pF 1.5k Note 3: (Typ) TA TJ 25 Note 4: ( ) ( ) TA TJ 25 (SQC) (AOQL) Note 5: Note 6: ICL 37,125/ RADJ 7 TO-220 0.5 - ( ) Note 7: 7 TO-220 4 0.5 - ( ) Note 8: 7 TO-263 0.136 (
847 SNVS026M www.ti.com LM2679 SIMPLE SWITCHER(R) 5A Step-Down Voltage Regulator with Adjustable Current Limit June 29, 2012 LM2679 Connection Diagrams and Ordering Information TO-263 Package Top View TO-220 Package Top View 10084701 10084702 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View 10084735 LLP-14 See NS package Number SRC14A Ordering Information for LLP Package Output Voltage www.ti.com Order Information Package Marking Supplied As 12 LM2679SD-12 S0003FB 250 Units on Tape and Reel 12 LM2679SDX-12 S0003FB 2500 Units on Tape and Reel 3.3 LM2679SD-3.3 S0003HB 250 Units on Tape and Reel 3.3 LM2679SDX-3.3 S0003HB 2500 Units on Tape and Reel 5.0 LM2679SD-5.0 S0003JB 250 Units on Tape and Reel 5.0 LM2679SDX-5.0 S0003JB 2500 Units on Tape and Reel ADJ LM2679SD-ADJ S0003KB 250 Units on Tape and Reel ADJ LM2679SDX-ADJ S0003KB 2500 Units on Tape and Ree
ion DS100847 www.national.com LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit April 2005 LM2679 Connection Diagrams and Ordering Information TO-263 Package Top View TO-220 Package Top View 10084701 10084702 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View 10084735 LLP-14 See NS package Number SRC14A Ordering Information for LLP Package Output Voltage Order Information Package Marking Supplied As 12 LM2679SD-12 S0003FB 250 Units on Tape and Reel 12 LM2679SDX-12 S0003FB 2500 Units on Tape and Reel 3.3 LM2679SD-3.3 S0003HB 250 Units on Tape and Reel 3.3 LM2679SDX-3.3 S0003HB 2500 Units on Tape and Reel 5.0 LM2679SD-5.0 S0003JB 250 Units on Tape and Reel 5.0 LM2679SDX-5.0 S0003JB 2500 Units on Tape and Reel ADJ LM2679SD-ADJ S0003KB 250 Units on Tape and Reel ADJ LM2679SDX-ADJ S0003KB 2500 Units on Tape and Reel www.natio
National Semiconductor Corporation DS100847 www.national.com LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit March 2000 LM2679 Connection Diagram and Ordering Information TO-263 Package Top View DS100847-1 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B TO-220 Package Top View DS100847-2 Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B www.national.com 2 Storage Temperature Range Soldering Temperature Wave Infrared Vapor Phase If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Supply Voltage Softstart Pin Voltage Switch Voltage to Ground Boost Pin Voltage Feedback Pin Voltage Power Dissipation ESD (Note 2) 45V -0.1V to 6V -1V to VIN VSW + 8V -0.3V to 14V Internally Limited 2 kV -65C to 150C 4 sec, 260C 10 sec, 240C 75 sec, 219C Operating Ratings Supply Voltag
gulator with Adjustable Current Limit LM2679 SIMPLE SWITCHER(R) 5A Step-Down Voltage Regulator with Adjustable Current Limit LM2679 Connection Diagrams and Ordering Information TO-263 Package Top View TO-220 Package Top View 10084701 10084702 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View 10084735 LLP-14 See NS package Number SRC14A Ordering Information for LLP Package Output Voltage Order Information Package Marking Supplied As 12 LM2679SD-12 S0003FB 250 Units on Tape and Reel 12 LM2679SDX-12 S0003FB 2500 Units on Tape and Reel 3.3 LM2679SD-3.3 S0003HB 250 Units on Tape and Reel 3.3 LM2679SDX-3.3 S0003HB 2500 Units on Tape and Reel 5.0 LM2679SD-5.0 S0003JB 250 Units on Tape and Reel 5.0 LM2679SDX-5.0 S0003JB 2500 Units on Tape and Reel ADJ LM2679SD-ADJ S0003KB 250 Units on Tape and Reel ADJ LM2679SDX-ADJ S0003KB 2500 Units on Tape and Reel 2 If Mili
ation DS100847 www.national.com LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit May 2002 LM2679 Connection Diagrams and Ordering Information TO-263 Package Top View TO-220 Package Top View 10084701 10084702 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View 10084735 LLP-14 See NS package Number LDC14A Ordering Information for LLP Package Output Voltage Order Information Package Marking Supplied As 12 LM2679LD-12 S0000VB 1000 Units on Tape and Reel 12 LM2679LDX-12 S0000VB 4500 Units on Tape and Reel 3.3 LM2679LD-3.3 S0000TB 1000 Units on Tape and Reel 3.3 LM2679LDX-3.3 S0000TB 4500 Units on Tape and Reel 5.0 LM2679LD-5.0 S0000UB 1000 Units on Tape and Reel 5.0 LM2679LDX-5.0 S0000UB 4500 Units on Tape and Reel ADJ LM2679LD-ADJ S0000XB 1000 Units on Tape and Reel ADJ LM2679LDX-ADJ S0000XB 4500 Units on Tape and Reel www.n
ation 100847 www.national.com LM2679 SIMPLE SWITCHER 5A Step-Down Voltage Regulator with Adjustable Current Limit April 2007 LM2679 Connection Diagrams and Ordering Information TO-263 Package Top View TO-220 Package Top View 10084701 10084702 Order Number LM2679S-3.3, LM2679S-5.0, LM2679S-12 or LM2679S-ADJ See NSC Package Number TS7B Order Number LM2679T-3.3, LM2679T-5.0, LM2679T-12 or LM2679T-ADJ See NSC Package Number TA07B Top View 10084735 LLP-14 See NS package Number SRC14A Ordering Information for LLP Package Output Voltage Order Information Package Marking Supplied As 12 LM2679SD-12 S0003FB 250 Units on Tape and Reel 12 LM2679SDX-12 S0003FB 2500 Units on Tape and Reel 3.3 LM2679SD-3.3 S0003HB 250 Units on Tape and Reel 3.3 LM2679SDX-3.3 S0003HB 2500 Units on Tape and Reel 5.0 LM2679SD-5.0 S0003JB 250 Units on Tape and Reel 5.0 LM2679SDX-5.0 S0003JB 2500 Units on Tape and Reel ADJ LM2679SD-ADJ S0003KB 250 Units on Tape and Reel ADJ LM2679SDX-ADJ S0003KB 2500 Units on Tape and Reel www.natio