Power Management ICs – Mouser Finland

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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#PBF
Analog Devices
1: 12,55 €
434In Stock
219Expected 07/09/2026

Mfr. Part No.
LTC3633AIUFD#PBF

Mouser Part No
584-LTC3633AIUFD#PBF

Analog Devices

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

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Datasheet

434In Stock

219Expected 07/09/2026

12,55 €

9,91 €

8,66 €

8,36 €

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Min.: 1
Mult.: 1
Max.: 653

SMD/SMT

QFN-28

600 mV to 6 V

Switching Voltage Regulators 15V 2x 3A Mono Buck Reg for DDR Pwr

LTC3634EUFD#TRPBF
Analog Devices
1: 11,41 €
816In Stock

Mfr. Part No.
LTC3634EUFD#TRPBF

Mouser Part No
584-LTC3634EUFDTRPBF

Analog Devices

Switching Voltage Regulators 15V 2x 3A Mono Buck Reg for DDR Pwr

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Datasheet

816In Stock

Cut Tape

11,41 €

8,99 €

8,38 €

7,71 €

View

Reel

7,42 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 816

: 2 500

SMD/SMT

QFN-28

600 mV to 3 V

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

LTC3636EUFD#PBF
Analog Devices
1: 11,91 €
455In Stock

Mfr. Part No.
LTC3636EUFD#PBF

Mouser Part No
584-LTC3636EUFDPBF

Analog Devices

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

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Datasheet

455In Stock

11,91 €

9,39 €

8,20 €

7,91 €

7,68 €

Min.: 1
Mult.: 1
Max.: 455

SMD/SMT

QFN-28

600 mV to 5 V

Switching Voltage Regulators 76V, 1A Buck Reg

LTC3637MPMSE#PBF
Analog Devices
1: 22,58 €
462In Stock
962On Order

Mfr. Part No.
LTC3637MPMSE#PBF

Mouser Part No
584-LTC3637MPMSE#PBF

Analog Devices

Switching Voltage Regulators 76V, 1A Buck Reg

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Datasheet

462In Stock

962On Order

22,58 €

19,07 €

17,51 €

16,91 €

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Min.: 1
Mult.: 1
Max.: 1 424

SMD/SMT

MSOP-16

800 mV to 76 V

Switching Voltage Regulators 60V, 4A Sync Buck Reg w/ R2R Progmable O

LTC3649EUFD#PBF
Analog Devices
1: 14,76 €
1 093In Stock

Mfr. Part No.
LTC3649EUFD#PBF

Mouser Part No
584-LTC3649EUFD#PBF

Analog Devices

Switching Voltage Regulators 60V, 4A Sync Buck Reg w/ R2R Progmable O

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Datasheet

1 093In Stock

14,76 €

11,71 €

10,28 €

9,93 €

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Min.: 1
Mult.: 1
Max.: 1 093

SMD/SMT

QFN-28

0 V to 59.5 V

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

LTC7149IFE#PBF
Analog Devices
1: 17,44 €
173In Stock
450Expected 12/09/2026

Mfr. Part No.
LTC7149IFE#PBF

Mouser Part No
584-LTC7149IFE#PBF

Analog Devices

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

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Datasheet

173In Stock

450Expected 12/09/2026

17,44 €

13,91 €

12,50 €

12,31 €

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Min.: 1
Mult.: 1
Max.: 623

SMD/SMT

TSSOP-EP-28

0 V to 28 V

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

LTC3621IDCB-23.3#TRMPBF
Analog Devices
1: 7,89 €
211In Stock

Mfr. Part No.
LTC3621IDCB-23.3#TRMPBF

Mouser Part No
584-3621IDCB23.3TMPF

Analog Devices

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

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Datasheet

211In Stock

Cut Tape

7,89 €

6,13 €

5,69 €

5,21 €

5,00 €

Reel

5,00 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 261

: 500

SMD/SMT

DFN-6

3.3 V

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

LTC3621EMS8E-2#PBF
Analog Devices
1: 7,24 €
188In Stock
350Expected 12/09/2026

Mfr. Part No.
LTC3621EMS8E-2#PBF

Mouser Part No
584-C3621EMS8E-2PBF

Analog Devices

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

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Datasheet

188In Stock

350Expected 12/09/2026

7,24 €

5,62 €

4,95 €

4,75 €

View

Min.: 1
Mult.: 1
Max.: 538

SMD/SMT

MSOP-8

600 mV to 17 V

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

LTC3621EMS8E-3.3#PBF
Analog Devices
1: 7,24 €
95In Stock

Mfr. Part No.
LTC3621EMS8E-3.3#PBF

Mouser Part No
584-C3621EMS8E-3.3PF

Analog Devices

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

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Datasheet

95In Stock

7,24 €

5,62 €

4,95 €

Min.: 1
Mult.: 1
Max.: 95

SMD/SMT

MSOP-8

3.3 V

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

LTC3621EMS8E-5#PBF
Analog Devices
1: 7,24 €
78In Stock

Mfr. Part No.
LTC3621EMS8E-5#PBF

Mouser Part No
584-C3621EMS8E-5PBF

Analog Devices

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

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Datasheet

78In Stock

7,24 €

5,62 €

4,95 €

Min.: 1
Mult.: 1
Max.: 78

SMD/SMT

MSOP-8

5 V

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

LTC3621EMS8E-23.3#PBF
Analog Devices
1: 7,24 €
133In Stock

Mfr. Part No.
LTC3621EMS8E-23.3#PBF

Mouser Part No
584-C3621EMS8E23.3PF

Analog Devices

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

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Datasheet

133In Stock

7,24 €

5,62 €

4,95 €

4,75 €

Min.: 1
Mult.: 1
Max.: 133

SMD/SMT

MSOP-8

3.3 V

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

LTC3621HMS8E-25#PBF
Analog Devices
1: 8,51 €
69In Stock

Mfr. Part No.
LTC3621HMS8E-25#PBF

Mouser Part No
584-C3621HMS8E-25PBF

Analog Devices

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

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Datasheet

69In Stock

8,51 €

6,63 €

5,87 €

Min.: 1
Mult.: 1
Max.: 69

SMD/SMT

MSOP-8

5 V

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

LTC3621HMS8E-3.3#PBF
Analog Devices
1: 8,51 €
70In Stock

Mfr. Part No.
LTC3621HMS8E-3.3#PBF

Mouser Part No
584-C3621HMS8E-3.3PF

Analog Devices

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

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Datasheet

70In Stock

8,51 €

6,63 €

5,87 €

Min.: 1
Mult.: 1
Max.: 70

SMD/SMT

MSOP-8

3.3 V

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

LTC3621HMS8E-5#PBF
Analog Devices
1: 8,69 €
39In Stock

Mfr. Part No.
LTC3621HMS8E-5#PBF

Mouser Part No
584-C3621HMS8E-5PBF

Analog Devices

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

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Datasheet

39In Stock

8,69 €

6,77 €

Min.: 1
Mult.: 1
Max.: 39

SMD/SMT

MSOP-8

5 V

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

LTC3621HMS8E-23.3#PBF
Analog Devices
1: 8,51 €
90In Stock

Mfr. Part No.
LTC3621HMS8E-23.3#PBF

Mouser Part No
584-C3621HMS8E23.3PF

Analog Devices

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

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Datasheet

90In Stock

8,51 €

6,63 €

5,87 €

Min.: 1
Mult.: 1
Max.: 90

SMD/SMT

MSOP-8

3.3 V

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

LTC3621IDCB-25#TRMPBF
Analog Devices
1: 7,89 €
498In Stock

Mfr. Part No.
LTC3621IDCB-25#TRMPBF

Mouser Part No
584-C3621IDCB-25TMPF

Analog Devices

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

Learn More

Datasheet

498In Stock

Cut Tape

7,89 €

6,13 €

5,69 €

5,21 €

5,00 €

Reel

5,00 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 498

: 500

SMD/SMT

DFN-6

5 V

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

LTC3621IDCB-3.3#TRMPBF
Analog Devices
1: 7,89 €
18In Stock

Mfr. Part No.
LTC3621IDCB-3.3#TRMPBF

Mouser Part No
584-C3621IDCB3.3TMPF

Analog Devices

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

Learn More

Datasheet

18In Stock

Cut Tape

7,89 €

6,13 €

Reel

6,13 €

MouseReel Available

Min.: 1
Mult.: 1
Max.: 18

: 500

SMD/SMT

DFN-6

3.3 V

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

LTC3621IDCB#TRMPBF
Analog Devices
1: 7,89 €
78In Stock
1 000Expected 08/10/2026

Mfr. Part No.
LTC3621IDCB#TRMPBF

Mouser Part No
584-C3621IDCBTRMPBF

Analog Devices

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

Learn More

Datasheet

78In Stock

1 000Expected 08/10/2026

Cut Tape

7,89 €

6,13 €

5,69 €

5,21 €

Reel

4,83 €

View

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1 078

: 500

SMD/SMT

DFN-6

600 mV to 17 V

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

LTC3621IMS8E-3.3#PBF
Analog Devices
1: 7,90 €
100In Stock

Mfr. Part No.
LTC3621IMS8E-3.3#PBF

Mouser Part No
584-C3621IMS8E-3.3PF

Analog Devices

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

Learn More

Datasheet

100In Stock

7,90 €

6,15 €

5,44 €

5,08 €

Min.: 1
Mult.: 1
Max.: 100

SMD/SMT

MSOP-8

3.3 V

Switching Voltage Regulators 17V, 2x 1A Sync Buck Reg w/ Ultralow Q C

LTC3622EDE-23/5#PBF
Analog Devices
1: 10,20 €
51In Stock

Mfr. Part No.
LTC3622EDE-23/5#PBF

Mouser Part No
584-C3622EDE-23/5PBF

Analog Devices

Switching Voltage Regulators 17V, 2x 1A Sync Buck Reg w/ Ultralow Q C

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Datasheet

51In Stock

10,20 €

8,00 €

6,87 €

Min.: 1
Mult.: 1
Max.: 51

SMD/SMT

DFN-14

3.3 V, 5 V

Switching Voltage Regulators 17V, 2x 1A Sync Buck Reg w/ Ultralow Q C

LTC3622HDE-23/5#PBF
Analog Devices
1: 11,71 €
50In Stock

Mfr. Part No.
LTC3622HDE-23/5#PBF

Mouser Part No
584-C3622HDE-23/5PBF

Analog Devices

Switching Voltage Regulators 17V, 2x 1A Sync Buck Reg w/ Ultralow Q C

Learn More

Datasheet

50In Stock

11,71 €

9,23 €

7,96 €

Min.: 1
Mult.: 1
Max.: 50

SMD/SMT

DFN-14

3.3 V, 5 V

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

LTC3624EDD-23.3#PBF
Analog Devices
1: 8,24 €
106In Stock

Mfr. Part No.
LTC3624EDD-23.3#PBF

Mouser Part No
584-C3624EDD-23.3PBF

Analog Devices

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

Learn More

Datasheet

106In Stock

8,24 €

6,42 €

5,96 €

5,40 €

Min.: 1
Mult.: 1
Max.: 106

SMD/SMT

DFN-8

3.3 V

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

LTC3624EDD-3.3#PBF
Analog Devices
1: 8,24 €
49In Stock

Mfr. Part No.
LTC3624EDD-3.3#PBF

Mouser Part No
584-C3624EDD-3.3PBF

Analog Devices

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

Learn More

Datasheet

49In Stock

8,24 €

6,42 €

5,96 €

Min.: 1
Mult.: 1
Max.: 49

SMD/SMT

DFN-8

3.3 V

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

LTC3624EMSE-3.3#PBF
Analog Devices
1: 8,24 €
57In Stock

Mfr. Part No.
LTC3624EMSE-3.3#PBF

Mouser Part No
584-C3624EMSE-3.3PBF

Analog Devices

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

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Datasheet

57In Stock

8,24 €

6,41 €

5,79 €

Min.: 1
Mult.: 1
Max.: 57

SMD/SMT

MSOP-12

3.3 V

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

LTC3631EMS8E-5#PBF
Analog Devices
1: 8,24 €
124In Stock

Mfr. Part No.
LTC3631EMS8E-5#PBF

Mouser Part No
584-C3631EMS8E-5PBF

Analog Devices

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

Learn More

Datasheet

124In Stock

8,24 €

6,32 €

5,95 €

5,56 €

Min.: 1
Mult.: 1
Max.: 124

SMD/SMT

MSOP-8

5 V

LTC36xx/LTC7149 Series Step-Down Buck Regulators

Types of Power Management ICs

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DFN-10
DFN-12
DFN-14
DFN-16
DFN-6
DFN-8
LQFP-48
MSOP-10
MSOP-12
MSOP-16
MSOP-16-12
MSOP-8
QFN-16
QFN-20
QFN-24
QFN-28
QFN-40
QFN-44
QFN-52
QFN-64

0 V to 14.5 V
0 V to 28 V
0 V to 59.5 V
425 mV to 5.5 V
500 mV to 2.5 V
500 mV to 5.5 V
600 mV to 1.7 V
600 mV to 14.5 V
600 mV to 14.52 V
600 mV to 14.7 V
600 mV to 14.85 V
600 mV to 15 V
600 mV to 17 V
600 mV to 17.82 V
600 mV to 19.8 V
600 mV to 3 V
600 mV to 32 V
600 mV to 36 V
600 mV to 5 V
600 mV to 5.5 V