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

LTC3633AIUFD-2#PBF
Analog Devices
1: $22.34
146Expected 27/10/2026

Mfr. Part No.
LTC3633AIUFD-2#PBF

Mouser Part No
584-C3633AIUFD-2PBF

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

Datasheet

146Expected 27/10/2026

$22.34

$17.49

$16.28

$14.95

Min.: 1
Mult.: 1
Max.: 146

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

LTC3633AIUFD#TRPBF
Analog Devices
1: $22.34
88Expected 4/11/2026

Mfr. Part No.
LTC3633AIUFD#TRPBF

Mouser Part No
584-C3633AIUFDTRPBF

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

Datasheet

88Expected 4/11/2026

Cut Tape

$22.34

$17.49

$16.28

Reel

$16.28

MouseReel Available

Min.: 1
Mult.: 1
Max.: 88

: 2,500

Switching Voltage Regulators 6A Monolithic Synchronous Step-Down Regulator for DDR Termination

LTC3617EUDD#PBF
Analog Devices
1: $16.35
73Expected 9/6/2027

Mfr. Part No.
LTC3617EUDD#PBF

Mouser Part No
584-LTC3617EUDD#PBF

Switching Voltage Regulators 6A Monolithic Synchronous Step-Down Regulator for DDR Termination

Datasheet

73Expected 9/6/2027

$16.35

$12.82

$11.17

$10.76

Min.: 1
Mult.: 1
Max.: 73

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

LTC3618IUF#PBF
Analog Devices
1: $21.34
52Expected 17/12/2026

Mfr. Part No.
LTC3618IUF#PBF

Mouser Part No
584-LTC3618IUF#PBF

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

Datasheet

52Expected 17/12/2026

$21.34

$16.70

$15.54

Min.: 1
Mult.: 1
Max.: 52

Switching Voltage Regulators 17V, 2A Sync Buck Reg w/ 3.5 A Q C

LTC3624IMSE-5#PBF
Analog Devices
1: $15.59
82Expected 21/9/2026

Mfr. Part No.
LTC3624IMSE-5#PBF

Mouser Part No
584-LTC3624IMSE-5PBF

Switching Voltage Regulators 17V, 2A Sync Buck Reg w/ 3.5 A Q C

Datasheet

82Expected 21/9/2026

$15.59

$12.17

$11.32

Min.: 1
Mult.: 1
Max.: 82

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

LTC3633AEFE-3#PBF
Analog Devices
1: $20.86
25Expected 2/9/2026

Mfr. Part No.
LTC3633AEFE-3#PBF

Mouser Part No
584-LTC3633AEFE-3PBF

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

Datasheet

25Expected 2/9/2026

$20.86

$16.33

Min.: 1
Mult.: 1
Max.: 25

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

LTC3621EDCB-23.3#TRMPBF
Analog Devices
500: $7.66
Non-Stocked Lead-Time 17 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 17 Weeks

Reel

$7.66

$7.45

Quote

Min.: 500
Mult.: 500

: 500

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

LTC3621EMS8E-23.3#TRPBF
Analog Devices
2,500: $7.09
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$7.09

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

: 2,500

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

LTC3621HMS8E-23.3#TRPBF
Analog Devices
2,500: $8.49
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$8.49

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

: 2,500

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

LTC3621IMS8E-23.3#TRPBF
Analog Devices
2,500: $7.78
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$7.78

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

: 2,500

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

LTC3636EUFD-1#TRPBF
Analog Devices
2,500: $12.20
Non-Stocked Lead-Time 24 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 24 Weeks

Reel

$12.20

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

: 2,500

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

LTC3636IUFD-1#TRPBF
Analog Devices
2,500: $13.26
Non-Stocked Lead-Time 24 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 24 Weeks

Reel

$13.26

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

: 2,500

Power Management Specialised - PMIC Pwr M Solution for Application Processor

LTC3676EUJ#WTRPBF
Analog Devices
2,000: $16.61
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$16.61

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

: 2,000

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

LTC3612MPUDC#TRPBF
Analog Devices
2,500: $28.42
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$28.42

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

: 2,500

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

LTC3614MPUDD#TRPBF
Analog Devices
2,500: $26.86
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$26.86

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

: 2,500

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

LTC3615EFE-1#TRPBF
Analog Devices
2,500: $11.25
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$11.25

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

: 2,500

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

LTC3615EUF-1#TRPBF
Analog Devices
2,500: $10.84
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$10.84

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

: 2,500

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

LTC3615HFE-1#TRPBF
Analog Devices
2,500: $15.64
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$15.64

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

: 2,500

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

LTC3615HUF-1#TRPBF
Analog Devices
2,500: $14.61
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$14.61

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

: 2,500

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

LTC3615IFE-1#TRPBF
Analog Devices
2,500: $13.19
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$13.19

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

: 2,500

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

LTC3615IUF-1#TRPBF
Analog Devices
2,500: $15.35
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$15.35

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

: 2,500

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

LTC3615MPFE-1#TRPBF
Analog Devices
2,500: $37.94
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$37.94

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

: 2,500

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

LTC3615MPUF-1#TRPBF
Analog Devices
2,500: $36.62
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

$36.62

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

: 2,500

Switching Voltage Regulators 6A, 4MHz Mono Sync Buck DC/DC Conv

LTC3616MPUDD#TRPBF
Analog Devices
2,500: $29.93
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3616MPUDD#TRPBF

Mouser Part No
584-C3616MPUDDTRPBF

Switching Voltage Regulators 6A, 4MHz Mono Sync Buck DC/DC Conv

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$29.93

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

: 2,500

Switching Voltage Regulators 400mA/800mA Sync Buck DC/DC w/ Avg In C

LTC3619BEMSE#TRPBF
Analog Devices
2,500: $6.31
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3619BEMSE#TRPBF

Mouser Part No
584-C3619BEMSETRPBF

Switching Voltage Regulators 400mA/800mA Sync Buck DC/DC w/ Avg In C

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

$6.31

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

: 2,500