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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: $23.88
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

$23.88

$18.74

$17.96

$15.83

$15.05

Min.: 1
Mult.: 1

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

LT8612IUDE#TRPBF
Analog Devices
1: $24.96
17,500Expected 20/5/2026

Mfr. Part No.
LT8612IUDE#TRPBF

Mouser Part No
584-LT8612IUDE#TRPBF

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

Datasheet

17,500Expected 20/5/2026

Cut Tape

$24.96

$20.17

$19.35

$17.04

Reel

$17.04

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

LT8613EUDE#TRPBF
Analog Devices
1: $23.89
4,995Expected 23/4/2026

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 23/4/2026

Cut Tape

$23.89

$19.31

$18.51

$16.30

Reel

$16.30

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: $22.11
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

$22.11

$17.36

$16.64

$14.66

$13.94

Reel

$13.94

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: $22.23
1,960Expected 2/9/2026

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 2/9/2026

$22.23

$17.44

$16.72

$14.73

$14.01

Min.: 1
Mult.: 1

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

LT8645SEV#PBF
Analog Devices
1: $23.12
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

$23.12

$18.14

$17.39

$15.32

$14.57

Min.: 1
Mult.: 1

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

LT8645SIV#PBF
Analog Devices
1: $23.82
11,567On Order

Mfr. Part No.
LT8645SIV#PBF

Mouser Part No
584-LT8645SIVPBF

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

Datasheet

11,567On Order

$23.82

$19.25

$18.46

$16.26

Min.: 1
Mult.: 1

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

LT8646SEV#PBF
Analog Devices
1: $26.35
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

$26.35

$21.82

$20.92

$18.43

Min.: 1
Mult.: 1

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

LT8646SIV#PBF
Analog Devices
1: $29.01
12,412Expected 21/5/2026

Mfr. Part No.
LT8646SIV#PBF

Mouser Part No
584-LT8646SIV#PBF

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

Datasheet

12,412Expected 21/5/2026

$29.01

$24.02

$23.03

$20.29

Min.: 1
Mult.: 1

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

LT8646SIV#WPBF
Analog Devices
1: $29.44
8,967On 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

8,967On Order

$29.44

$24.92

$23.88

$21.04

Min.: 1
Mult.: 1

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

LT8607EMSE#TRPBF
Analog Devices
1: $9.45
1,815In Stock

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

1,815In Stock

Cut Tape

$9.45

$6.95

$6.46

$5.69

View

Reel

$4.09

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Switching Voltage Regulators 65V 3.5A Silent Switcher

LT8641ARUDCM#PBF
Analog Devices
1: $12.69
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

$12.69

$9.17

$8.76

$7.60

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: $20.28
70Expected 4/5/2026

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 4/5/2026

$20.28

$15.40

$14.78

$13.01

$12.37

Min.: 1
Mult.: 1

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

LT8609AHMSE16#TRPBF
Analog Devices
2,500: $9.90
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

$9.90

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: $11.20
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

$11.20

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: $11.20
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

$11.20

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: $13.05
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

$13.05

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: $13.05
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

$13.05

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: $13.05
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

$13.05

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: $12.33
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

$12.33

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: $12.33
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

$12.33

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: $11.20
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

$11.20

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: $13.05
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

$13.05

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: $13.05
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

$13.05

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: $12.33
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

$12.33

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

Reel: 2,500