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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 76V, 1A Buck Reg

LTC3637IMSE#PBF
Analog Devices
1: €11.47
3,469On Order

Mfr. Part No.
LTC3637IMSE#PBF

Mouser Part No
584-LTC3637IMSE#PBF

Switching Voltage Regulators 76V, 1A Buck Reg

Datasheet

3,469On Order

€11.47

€9.06

€8.64

€7.50

€7.16

Min.: 1
Mult.: 1

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

LTC7149EUFD#TRPBF
Analog Devices
1: €16.03
2,481Expected 31/03/2026

Mfr. Part No.
LTC7149EUFD#TRPBF

Mouser Part No
584-LTC7149EUFDTRPBF

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

Datasheet

2,481Expected 31/03/2026

Cut Tape

€16.03

€12.95

€12.42

€10.94

Reel

€10.94

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

LTC3621HMS8E-2#PBF
Analog Devices
1: €10.13
1,293On Order

Mfr. Part No.
LTC3621HMS8E-2#PBF

Mouser Part No
584-C3621HMS8E-2PBF

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

Datasheet

1,293On Order

€10.13

€7.88

€7.51

€6.52

€6.23

Min.: 1
Mult.: 1

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

LTC3621IMS8E-2#PBF
Analog Devices
1: €9.39
436Expected 23/04/2026

Mfr. Part No.
LTC3621IMS8E-2#PBF

Mouser Part No
584-C3621IMS8E-2PBF

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

Datasheet

436Expected 23/04/2026

€9.39

€7.26

€6.92

€6.01

View

Min.: 1
Mult.: 1

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

LTC3624IDD-3.3#PBF
Analog Devices
1: €10.72
726Expected 13/05/2026

Mfr. Part No.
LTC3624IDD-3.3#PBF

Mouser Part No
584-C3624IDD-3.3PBF

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

Datasheet

726Expected 13/05/2026

€10.72

€8.34

€7.96

€6.91

€6.60

Min.: 1
Mult.: 1

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

LTC3631IDD#PBF
Analog Devices
1: €11.06
242Expected 16/03/2026

Mfr. Part No.
LTC3631IDD#PBF

Mouser Part No
584-LTC3631IDD#PBF

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

Datasheet

242Expected 16/03/2026

€11.06

€8.74

€8.32

€7.23

€6.91

Min.: 1
Mult.: 1

Switching Voltage Regulators Pwr M Solution for Application Processor

LTC3676HLXE-1#PBF
Analog Devices
1: €18.38
250Expected 16/03/2026

Mfr. Part No.
LTC3676HLXE-1#PBF

Mouser Part No
584-LTC3676HLXE-1PBF

Switching Voltage Regulators Pwr M Solution for Application Processor

Datasheet

250Expected 16/03/2026

€18.38

€15.55

€14.90

€13.13

Min.: 1
Mult.: 1

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

LTC3621EMS8E-2#PBF
Analog Devices
1: €8.53
150Expected 15/04/2026

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 15/04/2026

€8.53

€6.68

€5.68

€5.45

View

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: €5.19
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

€5.19

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: €5.21
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

€5.21

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: €6.23
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

€6.23

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: €5.74
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

€5.74

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: €8.22
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

€8.22

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: €8.95
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

€8.95

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: €11.03
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

€11.03

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: €17.70
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

€17.70

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: €16.74
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

€16.74

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: €7.59
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

€7.59

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: €7.31
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

€7.31

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: €10.37
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

€10.37

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: €9.22
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

€9.22

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: €8.89
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

€8.89

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: €10.19
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

€10.19

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: €23.35
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

€23.35

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: €22.53
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

€22.53

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

Reel: 2,500