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LTC36xx/LTC7149 Series Step-Down Buck Regulators

Analog Devices Inc. LTC36xx/LTC7149 Series Synchronous Step-Down Buck Regulators are high efficiency, monolithic, and excellent for inverting output applications. The LTC3623 and LTC3600 are programmed with a single external resistor. The LTC3649 and LTC7149 feature single resistor programmable output voltage, with high efficiency over a wide V_OUT range.

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Part #

Switching Voltage Regulators 2.5A, 10V, Mono Sync Buck Reg

LTC3602IFE#PBF
Analog Devices
1: $22.70
47In Stock

Mfr. Part No.
LTC3602IFE#PBF

Mouser Part No
584-LTC3602IFE#PBF

Switching Voltage Regulators 2.5A, 10V, Mono Sync Buck Reg

Datasheet

47In Stock

$22.70

$17.82

$17.08

$15.05

$14.32

Min.: 1
Mult.: 1

Switching Voltage Regulators 76V, 1A Buck Reg

LTC3637IMSE#PBF
Analog Devices
1: $18.54
2,544Expected 24/4/2026

Mfr. Part No.
LTC3637IMSE#PBF

Mouser Part No
584-LTC3637IMSE#PBF

Switching Voltage Regulators 76V, 1A Buck Reg

Datasheet

2,544Expected 24/4/2026

$18.54

$14.64

$13.97

$12.12

$11.58

Min.: 1
Mult.: 1

Switching Voltage Regulators 60V, 4A Sync Buck Reg for Inv Outs

LTC7149EUFD#TRPBF
Analog Devices
1: $25.91
2,481Expected 8/4/2026

Mfr. Part No.
LTC7149EUFD#TRPBF

Mouser Part No
584-LTC7149EUFDTRPBF

Switching Voltage Regulators 60V, 4A Sync Buck Reg for Inv Outs

Datasheet

2,481Expected 8/4/2026

Cut Tape

$25.91

$20.93

$20.07

$17.68

Reel

$17.68

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

Switching Voltage Regulators 3A, 4MHz Mono Sync Buck DC/DC Conv

LTC3612HUDC#PBF
Analog Devices
1: $19.36
273Expected 16/2/2026

Mfr. Part No.
LTC3612HUDC#PBF

Mouser Part No
584-LTC3612HUDC#PBF

Switching Voltage Regulators 3A, 4MHz Mono Sync Buck DC/DC Conv

Datasheet

273Expected 16/2/2026

$19.36

$14.71

$14.09

$12.41

$11.82

Min.: 1
Mult.: 1

Switching Voltage Regulators Hi Eff, Hi V 100mA Sync Buck Conv

LTC3631IDD#PBF
Analog Devices
1: $17.88
242Expected 1/4/2026

Mfr. Part No.
LTC3631IDD#PBF

Mouser Part No
584-LTC3631IDD#PBF

Switching Voltage Regulators Hi Eff, Hi V 100mA Sync Buck Conv

Datasheet

242Expected 1/4/2026

$17.88

$14.12

$13.46

$11.69

$11.16

Min.: 1
Mult.: 1

Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg

LTC3633AEFE#PBF
Analog Devices
1: $20.84
200Expected 23/2/2026

Mfr. Part No.
LTC3633AEFE#PBF

Mouser Part No
584-LTC3633AEFE#PBF

Switching Voltage Regulators 2x Ch 3A, 20V Mono Sync Buck Reg

Datasheet

200Expected 23/2/2026

$20.84

$16.36

$15.68

$13.82

$13.14

Min.: 1
Mult.: 1

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

LTC3621EMS8E-2#PBF
Analog Devices
1: $13.79
150Expected 15/4/2026

Mfr. Part No.
LTC3621EMS8E-2#PBF

Mouser Part No
584-C3621EMS8E-2PBF

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

Datasheet

150Expected 15/4/2026

$13.79

$10.80

$9.17

$8.81

View

Min.: 1
Mult.: 1

Switching Voltage Regulators Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination

LTC3618IUF#PBF
Analog Devices
1: $21.32
53Expected 16/2/2026

Mfr. Part No.
LTC3618IUF#PBF

Mouser Part No
584-LTC3618IUF#PBF

Switching Voltage Regulators Dual 4MHz, 3A Synchronous Buck Converter for DDR Termination

Datasheet

53Expected 16/2/2026

$21.32

$16.74

$16.04

$14.14

$13.44

Min.: 1
Mult.: 1

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

LTC3621EDCB-23.3#TRMPBF
Analog Devices
500: $8.40
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3621EDCB-23.3#TRMPBF

Mouser Part No
584-3621EDCB23.3TMPF

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$8.40

Min.: 500
Mult.: 500

Reel: 500

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

LTC3621EMS8E-23.3#TRPBF
Analog Devices
2,500: $8.42
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3621EMS8E-23.3#TRPBF

Mouser Part No
584-3621EMS8E23.3TPF

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$8.42

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

Reel: 2,500

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

LTC3621HMS8E-23.3#TRPBF
Analog Devices
2,500: $10.06
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3621HMS8E-23.3#TRPBF

Mouser Part No
584-3621HMS8E23.3TPF

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$10.06

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

Reel: 2,500

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

LTC3621IMS8E-23.3#TRPBF
Analog Devices
2,500: $9.27
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3621IMS8E-23.3#TRPBF

Mouser Part No
584-3621IMS8E23.3TPF

Switching Voltage Regulators 17V, 1A Sync Buck Reg w/ 3.5 A Q C

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$9.27

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

Reel: 2,500

Switching Voltage Regulators 2x Ch 6A, 20V Mono Sync Buck Reg

LTC3636EUFD-1#TRPBF
Analog Devices
2,500: $13.29
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3636EUFD-1#TRPBF

Mouser Part No
584-3636EUFD1TRPBF

Switching Voltage Regulators 2x Ch 6A, 20V Mono Sync Buck Reg

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$13.29

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

Reel: 2,500

Switching Voltage Regulators 2x Ch 6A, 20V Mono Sync Buck Reg

LTC3636IUFD-1#TRPBF
Analog Devices
2,500: $14.47
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3636IUFD-1#TRPBF

Mouser Part No
584-3636IUFD1TRPBF

Switching Voltage Regulators 2x Ch 6A, 20V Mono Sync Buck Reg

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$14.47

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

Reel: 2,500

Power Management Specialised - PMIC Pwr M Solution for Application Processor

LTC3676EUJ#WTRPBF
Analog Devices
2,000: $17.82
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3676EUJ#WTRPBF

Mouser Part No
584-3676EUJ#WTRPBF

Power Management Specialised - PMIC Pwr M Solution for Application Processor

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$17.82

Min.: 2,000
Mult.: 2,000

Reel: 2,000

Switching Voltage Regulators 3A, 4MHz Mono Sync Buck DC/DC Conv

LTC3612MPUDC#TRPBF
Analog Devices
2,500: $28.61
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3612MPUDC#TRPBF

Mouser Part No
584-C3612MPUDCTRPBF

Switching Voltage Regulators 3A, 4MHz Mono Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$28.61

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

Reel: 2,500

Switching Voltage Regulators 4A, 4MHz Mono Sync Buck DC/DC Conv

LTC3614MPUDD#TRPBF
Analog Devices
2,500: $27.05
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3614MPUDD#TRPBF

Mouser Part No
584-C3614MPUDDTRPBF

Switching Voltage Regulators 4A, 4MHz Mono Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$27.05

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

Reel: 2,500

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

LTC3615EFE-1#TRPBF
Analog Devices
2,500: $12.26
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3615EFE-1#TRPBF

Mouser Part No
584-C3615EFE-1TRPBF

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$12.26

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

Reel: 2,500

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

LTC3615EUF-1#TRPBF
Analog Devices
2,500: $11.82
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3615EUF-1#TRPBF

Mouser Part No
584-C3615EUF-1TRPBF

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$11.82

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

Reel: 2,500

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

LTC3615HFE-1#TRPBF
Analog Devices
2,500: $16.76
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3615HFE-1#TRPBF

Mouser Part No
584-C3615HFE-1TRPBF

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$16.76

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

Reel: 2,500

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

LTC3615HUF-1#TRPBF
Analog Devices
2,500: $14.90
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3615HUF-1#TRPBF

Mouser Part No
584-C3615HUF-1TRPBF

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$14.90

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

Reel: 2,500

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

LTC3615IFE-1#TRPBF
Analog Devices
2,500: $14.37
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3615IFE-1#TRPBF

Mouser Part No
584-C3615IFE-1TRPBF

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$14.37

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

Reel: 2,500

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

LTC3615IUF-1#TRPBF
Analog Devices
2,500: $16.47
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3615IUF-1#TRPBF

Mouser Part No
584-C3615IUF-1TRPBF

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$16.47

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

Reel: 2,500

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

LTC3615MPFE-1#TRPBF
Analog Devices
2,500: $37.74
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3615MPFE-1#TRPBF

Mouser Part No
584-C3615MPFE-1TRPBF

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$37.74

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

Reel: 2,500

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

LTC3615MPUF-1#TRPBF
Analog Devices
2,500: $36.42
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3615MPUF-1#TRPBF

Mouser Part No
584-C3615MPUF-1TRPBF

Switching Voltage Regulators 2x 4MHz, 3A Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$36.42

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

Reel: 2,500