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LT86xx High-Voltage Buck Regulators

Linear Technology/Analog Devices LT86xx High-Voltage Synchronous Buck Regulators product line features high-performance step-down buck switching regulator ICs. The LT86xx High-Voltage Buck Regulators work from input voltages of 3V up to 100V+, with switching frequencies of up to 4MHz, and high-efficiency operation of up to 96%.

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Types of Semiconductors

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Part #

Switching Voltage Regulators 42V, 6A Sync Buck Silent Switcher 2 w/ 2

LT8643SIV#PBF
Analog Devices
1: £12.89
5,195On Order

Mfr. Part No.
LT8643SIV#PBF

Mouser Part No
584-LT8643SIVPBF

Switching Voltage Regulators 42V, 6A Sync Buck Silent Switcher 2 w/ 2

Datasheet

5,195On Order

£12.89

£10.12

£9.70

£8.56

£8.13

Min.: 1
Mult.: 1

Switching Voltage Regulators 42V, 6A Sync Buck Reg w/ C Sense & 3 A

LT8613EUDE#TRPBF
Analog Devices
1: £12.90
4,995Expected 23/04/2026

Mfr. Part No.
LT8613EUDE#TRPBF

Mouser Part No
584-LT8613EUDE#TRPBF

Switching Voltage Regulators 42V, 6A Sync Buck Reg w/ C Sense & 3 A

Datasheet

4,995Expected 23/04/2026

Cut Tape

£12.90

£10.43

£10.00

£8.81

Reel

£8.81

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Switching Voltage Regulators 42V, 4A Sync Buck Silent Switcher w/ 2.5

LT8614IUDC#TRPBF
Analog Devices
1: £11.94
23,699On Order

Mfr. Part No.
LT8614IUDC#TRPBF

Mouser Part No
584-LT8614IUDC#TRPBF

Switching Voltage Regulators 42V, 4A Sync Buck Silent Switcher w/ 2.5

Datasheet

23,699On Order

Cut Tape

£11.94

£9.38

£8.98

£7.92

£7.53

Reel

£7.53

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Switching Voltage Regulators 65V, 8A Synchronous Step-Down Silent Switcher with 2.5 A Quiescent Current

LT8645SEV-2#PBF
Analog Devices
1: £12.00
1,960Expected 02/09/2026

Mfr. Part No.
LT8645SEV-2#PBF

Mouser Part No
584-LT8645SEV-2#PBF

Switching Voltage Regulators 65V, 8A Synchronous Step-Down Silent Switcher with 2.5 A Quiescent Current

Datasheet

1,960Expected 02/09/2026

£12.00

£9.42

£9.04

£7.96

£7.57

Min.: 1
Mult.: 1

Switching Voltage Regulators 65V, 8A Sync Buck Silent Switcher 2 w/ 2

LT8645SEV#PBF
Analog Devices
1: £12.48
10,995On Order

Mfr. Part No.
LT8645SEV#PBF

Mouser Part No
584-LT8645SEVPBF

Switching Voltage Regulators 65V, 8A Sync Buck Silent Switcher 2 w/ 2

Datasheet

10,995On Order

£12.48

£9.80

£9.39

£8.28

£7.87

Min.: 1
Mult.: 1

Switching Voltage Regulators M, 8A Sync Buck Silent Switcher 2 w/ 2

LT8645SIV#PBF
Analog Devices
1: £12.87
12,140On Order

Mfr. Part No.
LT8645SIV#PBF

Mouser Part No
584-LT8645SIVPBF

Switching Voltage Regulators M, 8A Sync Buck Silent Switcher 2 w/ 2

Datasheet

12,140On Order

£12.87

£10.40

£9.97

£8.78

Min.: 1
Mult.: 1

Switching Voltage Regulators 65V, 8A Sync Buck Silent Switcher 2 w/ 2

LT8646SEV#PBF
Analog Devices
1: £14.24
10,800On Order

Mfr. Part No.
LT8646SEV#PBF

Mouser Part No
584-LT8646SEV#PBF

Switching Voltage Regulators 65V, 8A Sync Buck Silent Switcher 2 w/ 2

Datasheet

10,800On Order

£14.24

£11.79

£11.30

£9.95

Min.: 1
Mult.: 1

Switching Voltage Regulators 65V, 8A Sync Buck Silent Switcher 2 w/ 2

LT8646SIV#PBF
Analog Devices
1: £15.67
13,692Expected 21/05/2026

Mfr. Part No.
LT8646SIV#PBF

Mouser Part No
584-LT8646SIV#PBF

Switching Voltage Regulators 65V, 8A Sync Buck Silent Switcher 2 w/ 2

Datasheet

13,692Expected 21/05/2026

£15.67

£12.97

£12.44

£10.96

Min.: 1
Mult.: 1

Switching Voltage Regulators 65V, 8A Sync Buck Silent Switcher 2 w/ 2

LT8646SIV#WPBF
Analog Devices
1: £15.90
9,102On Order

Mfr. Part No.
LT8646SIV#WPBF

Mouser Part No
584-LT8646SIV#WPBF

Switching Voltage Regulators 65V, 8A Sync Buck Silent Switcher 2 w/ 2

Datasheet

9,102On Order

£15.90

£13.46

£12.89

£11.37

Min.: 1
Mult.: 1

Switching Voltage Regulators 42V, 750mA Sync Buck Reg w/ 2.5 A Q C

LT8607EMSE#TRPBF
Analog Devices
1: £5.11
1,815Expected 27/02/2026

Mfr. Part No.
LT8607EMSE#TRPBF

Mouser Part No
584-LT8607EMSE#TRPBF

Switching Voltage Regulators 42V, 750mA Sync Buck Reg w/ 2.5 A Q C

Datasheet

1,815Expected 27/02/2026

Cut Tape

£5.11

£3.75

£3.49

£3.07

View

Reel

£2.21

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Switching Voltage Regulators 42V, 4A Sync Buck Silent Switcher w/ 2.5

LT8614HUDC#PBF
Analog Devices
1: £12.58
1,092Expected 27/02/2026

Mfr. Part No.
LT8614HUDC#PBF

Mouser Part No
584-LT8614HUDC#PBF

Switching Voltage Regulators 42V, 4A Sync Buck Silent Switcher w/ 2.5

Datasheet

1,092Expected 27/02/2026

£12.58

£9.87

£9.46

£8.34

£7.93

Min.: 1
Mult.: 1

Switching Voltage Regulators 65V 3.5A Silent Switcher

LT8641ARUDCM#PBF
Analog Devices
1: £6.85
2,135On Order

Mfr. Part No.
LT8641ARUDCM#PBF

Mouser Part No
584-LT8641ARUDCM#PBF

Switching Voltage Regulators 65V 3.5A Silent Switcher

Datasheet

2,135On Order

£6.85

£4.96

£4.73

£4.10

View

Min.: 1
Mult.: 1

Switching Voltage Regulators 42V, 2.5A Sync Buck Reg w/ 2.5 A Q C

LT8610HMSE#PBF
Analog Devices
1: £10.96
70Expected 04/05/2026

Mfr. Part No.
LT8610HMSE#PBF

Mouser Part No
584-LT8610HMSE#PBF

Switching Voltage Regulators 42V, 2.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

70Expected 04/05/2026

£10.96

£8.32

£7.98

£7.03

£6.68

Min.: 1
Mult.: 1

Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A

LT8609AHMSE16#TRPBF
Analog Devices
2,500: £5.34
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8609AHMSE16#TRPBF

Mouser Part No
584-8609AHMSE16TRPBF

Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£5.34

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ABEMSE-5#TRPBF
Analog Devices
2,500: £6.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ABEMSE-5#TRPBF

Mouser Part No
584-8610ABEMSE-5TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£6.05

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ABEMSE-3.3#TRPBF
Analog Devices
2,500: £6.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ABEMSE-3.3#TRPBF

Mouser Part No
584-8610ABEMSE3.3TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£6.05

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ABHMSE-5#TRPBF
Analog Devices
2,500: £7.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ABHMSE-5#TRPBF

Mouser Part No
584-8610ABHMSE-5TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£7.05

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ABHMSE-3.3#TRPBF
Analog Devices
2,500: £7.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ABHMSE-3.3#TRPBF

Mouser Part No
584-8610ABHMSE3.3TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£7.05

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ABHMSE#TRPBF
Analog Devices
2,500: £7.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ABHMSE#TRPBF

Mouser Part No
584-8610ABHMSETRPBF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£7.05

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ABIMSE-5#TRPBF
Analog Devices
2,500: £6.66
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ABIMSE-5#TRPBF

Mouser Part No
584-8610ABIMSE-5TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£6.66

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ABIMSE-3.3#TRPBF
Analog Devices
2,500: £6.66
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ABIMSE-3.3#TRPBF

Mouser Part No
584-8610ABIMSE3.3TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£6.66

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ACEMSE-1#TRPBF
Analog Devices
2,500: £6.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ACEMSE-1#TRPBF

Mouser Part No
584-8610ACEMSE-1TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£6.05

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ACHMSE-1#TRPBF
Analog Devices
2,500: £7.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ACHMSE-1#TRPBF

Mouser Part No
584-8610ACHMSE-1TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£7.05

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ACHMSE#TRPBF
Analog Devices
2,500: £7.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ACHMSE#TRPBF

Mouser Part No
584-8610ACHMSETRPBF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£7.05

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

Reel: 2,500

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

LT8610ACIMSE-1#TRPBF
Analog Devices
2,500: £6.66
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LT8610ACIMSE-1#TRPBF

Mouser Part No
584-8610ACIMSE-1TPF

Switching Voltage Regulators 42V, 3.5A Sync Buck Reg w/ 2.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

£6.66

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

Reel: 2,500