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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: €14.77
2,495On Order

Mfr. Part No.
LT8643SIV#PBF

Mouser Part No
584-LT8643SIVPBF

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

Datasheet

2,495On Order

€14.77

€11.59

€11.11

€9.80

€9.31

Min.: 1
Mult.: 1

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

LT8613EUDE#TRPBF
Analog Devices
1: €14.78
4,995Expected 08/05/2026

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 08/05/2026

Cut Tape

€14.78

€11.95

€11.46

€10.09

Reel

€10.09

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: €13.68
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

€13.68

€10.74

€10.29

€9.07

€8.63

Reel

€8.63

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: €13.75
1,960On Order

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

1,960On Order

€13.75

€10.79

€10.35

€9.12

€8.67

Min.: 1
Mult.: 1

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

LT8645SEV#PBF
Analog Devices
1: €14.30
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

€14.30

€11.22

€10.76

€9.48

€9.01

Min.: 1
Mult.: 1

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

LT8645SIV#PBF
Analog Devices
1: €14.74
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

€14.74

€11.91

€11.42

€10.06

Min.: 1
Mult.: 1

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

LT8646SEV#PBF
Analog Devices
1: €16.31
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

€16.31

€13.50

€12.94

€11.40

Min.: 1
Mult.: 1

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

LT8646SIV#PBF
Analog Devices
1: €17.95
13,722Expected 10/06/2026

Mfr. Part No.
LT8646SIV#PBF

Mouser Part No
584-LT8646SIV#PBF

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

Datasheet

13,722Expected 10/06/2026

€17.95

€14.86

€14.25

€12.56

Min.: 1
Mult.: 1

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

LT8646SIV#WPBF
Analog Devices
1: €18.21
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

€18.21

€15.42

€14.77

€13.02

Min.: 1
Mult.: 1

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

LT8607EMSE#TRPBF
Analog Devices
1: €5.85
2,240Expected 16/02/2026

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

2,240Expected 16/02/2026

Cut Tape

€5.85

€4.30

€4.00

€3.52

View

Reel

€2.53

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: €14.41
1,092Expected 16/02/2026

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 16/02/2026

€14.41

€11.31

€10.84

€9.55

€9.08

Min.: 1
Mult.: 1

Switching Voltage Regulators 65V 3.5A Silent Switcher

LT8641ARUDCM#PBF
Analog Devices
1: €7.85
861Expected 06/05/2026

Mfr. Part No.
LT8641ARUDCM#PBF

Mouser Part No
584-LT8641ARUDCM#PBF

Switching Voltage Regulators 65V 3.5A Silent Switcher

Datasheet

861Expected 06/05/2026

€7.85

€5.68

€5.42

€4.70

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: €12.55
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

€12.55

€9.53

€9.14

€8.05

€7.65

Min.: 1
Mult.: 1

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

LT8609AHMSE16#TRPBF
Analog Devices
2,500: €6.12
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

€6.12

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: €6.93
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

€6.93

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: €6.93
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

€6.93

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: €8.08
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

€8.08

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: €8.08
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

€8.08

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: €8.08
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

€8.08

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: €7.63
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

€7.63

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: €7.63
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

€7.63

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: €6.93
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

€6.93

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: €8.08
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

€8.08

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: €8.08
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

€8.08

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: €7.63
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

€7.63

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

Reel: 2,500