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LM2678 Switching Voltage Regulators

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Part #

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg A 926-LM2678S-5.0/N A 926-LM2678S-5.0/NOPB

LM2678SX-5.0/NOPB
Texas Instruments
1: £5.25
777In Stock
1,500Expected 03/09/2026

Mfr. Part No.
LM2678SX-5.0/NOPB

Mouser Part No
926-LM2678SX50NOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg A 926-LM2678S-5.0/N A 926-LM2678S-5.0/NOPB

Datasheet

777In Stock

1,500Expected 03/09/2026

Cut Tape

£5.25

£4.05

£3.75

Reel

£3.75

MouseReel Available

Min.: 1
Mult.: 1
Max.: 70

: 500

SMD/SMT

TO-263-7

Buck

5 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Reel, Cut Tape, MouseReel

Switching Voltage Regulators Hi Eff 5A SD VTG Reg A 926-LM2678SDX33NO A 926-LM2678SDX33NOPB

LM2678SD-3.3/NOPB
Texas Instruments
1: £6.19
237In Stock

Mfr. Part No.
LM2678SD-3.3/NOPB

Mouser Part No
926-LM2678SD33NOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD VTG Reg A 926-LM2678SDX33NO A 926-LM2678SDX33NOPB

Datasheet

237In Stock

Cut Tape

£6.19

£4.80

£4.45

£4.07

Reel

£3.77

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

VSON-14

Buck

3.3 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Reel, Cut Tape, MouseReel

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg A 926-LM2678S-ADJ/N A 926-LM2678S-ADJ/NOPB

LM2678SX-ADJ/NOPB
Texas Instruments
1: £5.25
1,374In Stock
1,500Expected 03/09/2026

Mfr. Part No.
LM2678SX-ADJ/NOPB

Mouser Part No
926-LM2678SXADJNOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg A 926-LM2678S-ADJ/N A 926-LM2678S-ADJ/NOPB

Datasheet

1,374In Stock

1,500Expected 03/09/2026

Cut Tape

£5.25

£4.05

£3.75

£3.41

Reel

£3.16

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

TO-263-7

Buck

1.2 V to 37 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Reel, Cut Tape, MouseReel

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SX50NOPB

LM2678S-5.0/NOPB
Texas Instruments
1: £6.19
3,815In Stock

Mfr. Part No.
LM2678S-5.0/NOPB

Mouser Part No
926-LM2678S-5.0/NOPB

Texas Instruments

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SX50NOPB

Datasheet

3,815In Stock

£6.19

£4.80

£4.27

£4.00

View

Min.: 1
Mult.: 1

SMD/SMT

TO-263-7

Buck

5 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Tube

Switching Voltage Regulators Hi Eff 5A SD VTG Reg A 926-LM2678S-3.3/N A 926-LM2678S-3.3/NOPB

LM2678SX-3.3/NOPB
Texas Instruments
1: £5.25
183In Stock
500Expected 23/04/2026

Mfr. Part No.
LM2678SX-3.3/NOPB

Mouser Part No
926-LM2678SX33NOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD VTG Reg A 926-LM2678S-3.3/N A 926-LM2678S-3.3/NOPB

Datasheet

183In Stock

500Expected 23/04/2026

Cut Tape

£5.25

£4.05

£3.75

Reel

£3.75

MouseReel Available

Min.: 1
Mult.: 1
Max.: 50

: 500

SMD/SMT

TO-263-7

Buck

3.3 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Reel, Cut Tape, MouseReel

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SXADJNOPB

LM2678S-ADJ/NOPB
Texas Instruments
1: £6.19
307In Stock

Mfr. Part No.
LM2678S-ADJ/NOPB

Mouser Part No
926-LM2678S-ADJ/NOPB

Texas Instruments

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SXADJNOPB

Datasheet

307In Stock

£6.19

£4.80

£4.27

Min.: 1
Mult.: 1
Max.: 50

SMD/SMT

TO-263-7

Buck

1.2 V to 37 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Tube

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg A 926-LM2678SDX50NO A 926-LM2678SDX50NOPB

LM2678SD-5.0/NOPB
Texas Instruments
1: £6.19
321In Stock

Mfr. Part No.
LM2678SD-5.0/NOPB

Mouser Part No
926-LM2678SD50NOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg A 926-LM2678SDX50NO A 926-LM2678SDX50NOPB

Datasheet

321In Stock

Cut Tape

£6.19

£4.80

£4.45

£4.07

Reel

£3.88

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

VSON-14

Buck

5 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Reel, Cut Tape, MouseReel

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SX-12/NOPB

LM2678S-12/NOPB
Texas Instruments
1: £6.19
118In Stock
225On Order

Mfr. Part No.
LM2678S-12/NOPB

Mouser Part No
926-LM2678S-12/NOPB

Texas Instruments

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SX-12/NOPB

Datasheet

118In Stock

225On Order

£6.19

£4.80

£4.27

Min.: 1
Mult.: 1
Max.: 30

SMD/SMT

TO-263-7

Buck

12 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Tube

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SX33NOPB

LM2678S-3.3/NOPB
Texas Instruments
1: £6.19
2,122In Stock

Mfr. Part No.
LM2678S-3.3/NOPB

Mouser Part No
926-LM2678S-3.3/NOPB

Texas Instruments

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SX33NOPB

Datasheet

2,122In Stock

£6.19

£4.80

£4.27

£3.96

View

Min.: 1
Mult.: 1

SMD/SMT

TO-263-7

Buck

3.3 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Tube

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SDXADJNOPB

LM2678SD-ADJ/NOPB
Texas Instruments
1: £6.19
324In Stock

Mfr. Part No.
LM2678SD-ADJ/NOPB

Mouser Part No
926-LM2678SD-ADJNOPB

Texas Instruments

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG A 926-L A 926-LM2678SDXADJNOPB

Datasheet

324In Stock

Cut Tape

£6.19

£4.80

£4.45

£4.07

Reel

£3.88

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

VSON-14

Buck

1.2 V to 37 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Reel, Cut Tape, MouseReel

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg

LM2678T-12/NOPB
Texas Instruments
1: £5.25
249In Stock

Mfr. Part No.
LM2678T-12/NOPB

Mouser Part No
926-LM2678T-12/NOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD Vtg Reg

Datasheet

249In Stock

£5.25

£4.05

£3.60

£3.35

View

Min.: 1
Mult.: 1

Through Hole

TO-220-7

Buck

12 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Tube

Switching Voltage Regulators Hi Eff 5A SD VTG Reg

LM2678SD-12/NOPB
Texas Instruments
1: £5.12
249In Stock

Mfr. Part No.
LM2678SD-12/NOPB

Mouser Part No
926-LM2678SD-12/NOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD VTG Reg

Datasheet

249In Stock

Cut Tape

£5.12

£4.85

£4.62

£4.12

Reel

£3.25

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

SMD/SMT

VSON-14

Buck

12 V

5 A

1 Output

8 V

40 V

260 kHz

- 40 C

+ 125 C

LM2678

Reel, Cut Tape, MouseReel

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG

LM2678T-5.0/NOPB
Texas Instruments
1: £5.25
120In Stock

Mfr. Part No.
LM2678T-5.0/NOPB

Mouser Part No
926-LM2678T-5.0/NOPB

Texas Instruments

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG

Datasheet

120In Stock

£5.25

£4.05

£3.60

£3.35

View

Min.: 1
Mult.: 1

Through Hole

TO-220-7

Buck

5 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Tube

Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A A 926-LM2678S-12/NOPB

LM2678SX-12/NOPB
Texas Instruments
1: £5.25
1,000In Stock

Mfr. Part No.
LM2678SX-12/NOPB

Mouser Part No
926-LM2678SX-12/NOPB

Texas Instruments

Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A A 926-LM2678S-12/NOPB

Datasheet

1,000In Stock

Cut Tape

£5.25

£4.05

£3.75

£3.41

Reel

£3.41

MouseReel Available

Min.: 1
Mult.: 1
Max.: 130

: 500

SMD/SMT

TO-263-7

Buck

12 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Reel, Cut Tape, MouseReel

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG

LM2678T-ADJ/NOPB
Texas Instruments
1: £5.25
1,108In Stock
1,080Expected 01/05/2026

Mfr. Part No.
LM2678T-ADJ/NOPB

Mouser Part No
926-LM2678T-ADJ/NOPB

Texas Instruments

Switching Voltage Regulators HIGH EFF 5A STEP- DO WN VLTG REG

Datasheet

1,108In Stock

1,080Expected 01/05/2026

£5.25

£4.05

£3.60

£3.35

View

Min.: 1
Mult.: 1

Through Hole

TO-220-7

Buck

1.2 V to 37 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Tube

Switching Voltage Regulators Hi Eff 5A SD VTG Reg

LM2678T-3.3/NOPB
Texas Instruments
225: £3.35
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
LM2678T-3.3/NOPB

Mouser Part No
926-LM2678T-33/NOPB

Texas Instruments

Switching Voltage Regulators Hi Eff 5A SD VTG Reg

Datasheet

Non-Stocked Lead-Time 6 Weeks

£3.35

£3.25

£3.14

£3.02

£2.98

Min.: 225
Mult.: 45

Through Hole

TO-220-7

Buck

3.3 V

5 A

1 Output

8 V

40 V

4.2 mA

260 kHz

- 40 C

+ 125 C

LM2678

Tube

Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A A 926-LM2678SD-ADJNOPB

LM2678SDX-ADJ/NOPB
Texas Instruments
2,500: £3.13
Non-Stocked Lead-Time 18 Weeks

Mfr. Part No.
LM2678SDX-ADJ/NOPB

Mouser Part No
926-LM2678SDXADJNOPB

Texas Instruments

Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A A 926-LM2678SD-ADJNOPB

Datasheet

Non-Stocked Lead-Time 18 Weeks

Reel

£3.13

Min.: 2,500
Mult.: 2,500

: 2,500

SMD/SMT

VSON-14

Buck

1.2 V to 37 V

5 A

1 Output

8 V

40 V

260 kHz

- 40 C

+ 125 C

LM2678

Reel

Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A A 926-LM2678SD33NOPB

LM2678SDX-3.3/NOPB
Texas Instruments
2,500: £2.99
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
LM2678SDX-3.3/NOPB

Mouser Part No
926-LM2678SDX33NOPB

Texas Instruments

Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A A 926-LM2678SD33NOPB

Datasheet

Non-Stocked Lead-Time 6 Weeks

Reel

£2.99

Min.: 2,500
Mult.: 2,500

: 2,500

SMD/SMT

VSON-14

Buck

3.3 V

5 A

1 Output

8 V

40 V

260 kHz

- 40 C

+ 125 C

LM2678

Reel

Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A A 926-LM2678SD50NOPB

LM2678SDX-5.0/NOPB
Texas Instruments
2,500: £2.99
Non-Stocked Lead-Time 6 Weeks

Mfr. Part No.
LM2678SDX-5.0/NOPB

Mouser Part No
926-LM2678SDX50NOPB

Texas Instruments

Switching Voltage Regulators 8V to 40V 5A SIMPLE SWITCHER buck conv A A 926-LM2678SD50NOPB

Datasheet

Non-Stocked Lead-Time 6 Weeks

Reel

£2.99

Min.: 2,500
Mult.: 2,500

: 2,500

SMD/SMT

VSON-14

Buck

5 V

5 A

1 Output

8 V

40 V

260 kHz

- 40 C

+ 125 C

LM2678

Reel

LM2678 Switching Voltage Regulators

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