Voltage Regulators - Switching Regulators

.hide-partial { max-height: none; } .show-more { display: none; }

LTC31xx Synchronous Buck-Boost DC-DC Converters

Analog Devices Inc. LTC31xx Synchronous Buck-Boost DC-DC Converters are high-efficiency, ultra-low noise, and excellent for wireless long-life applications. The LTC3130 (600mA) and LTC3129 (200mA) have wide V_IN and V_OUT ranges and a 1.2MHz PWM architecture that minimizes the solution footprint.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 150

Applied Filters:

Package / Case

Topology

Output Voltage

Output Current

Quiescent Current

Switching Frequency

Minimum Operating Temperature

Maximum Operating Temperature

Series

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv

LTC3112HFE#PBF
Analog Devices
1: $25.44
114In Stock

Mfr. Part #
LTC3112HFE#PBF

Mouser Part #
584-LTC3112HFE#PBF

Analog Devices

Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

114In Stock

$25.44

$19.96

$19.14

$16.86

$16.03

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.5 V to 14 V

2.5 A

1 Output

50 uA

750 kHz

- 40 C

+ 150 C

LTC3112

Tube

Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv

LTC3112IFE#PBF
Analog Devices
1: $24.12
103In Stock

Mfr. Part #
LTC3112IFE#PBF

Mouser Part #
584-LTC3112IFE#PBF

Analog Devices

Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

103In Stock

$24.12

$18.93

$18.15

$16.00

$15.21

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.5 V to 14 V

2.5 A

1 Output

50 uA

750 kHz

- 40 C

+ 125 C

LTC3112

Tube

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

LTC3115IFE-2#PBF
Analog Devices
1: $30.49
93In Stock

Mfr. Part #
LTC3115IFE-2#PBF

Mouser Part #
584-LTC3115IFE-2#PBF

Analog Devices

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

93In Stock

$30.49

$25.25

$24.21

$21.33

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.7 V to 40 V

2 A

1 Output

30 uA

1 MHz

- 40 C

+ 125 C

LTC3115-2

Tube

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

LTC3115MPFE-2#PBF
Analog Devices
1: $68.40
36In Stock

Mfr. Part #
LTC3115MPFE-2#PBF

Mouser Part #
584-LTC3115MPFE-2PBF

Analog Devices

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

36In Stock

$68.40

$58.65

$56.05

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.7 V to 40 V

2 A

1 Output

30 uA

1 MHz

- 55 C

+ 150 C

LTC3115-2

Tube

Switching Voltage Regulators 15V, 1.5A Sync Boost DC/DC Conv w/ Out D

LTC3121IDE#TRPBF
Analog Devices
1: $16.40
215In Stock

Mfr. Part #
LTC3121IDE#TRPBF

Mouser Part #
584-LTC3121IDE#TRPBF

Analog Devices

Switching Voltage Regulators 15V, 1.5A Sync Boost DC/DC Conv w/ Out D

Learn More

Datasheet

215In Stock

Cut Tape

$16.40

$12.68

$12.09

$10.49

$10.03

Reel

$10.03

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

DFN-12

Boost

2.2 V to 15 V

1.5 A

1 Output

25 uA

1 MHz

- 40 C

+ 125 C

LTC3121

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D

LTC3122HMSE#PBF
Analog Devices
1: $17.78
43In Stock

Mfr. Part #
LTC3122HMSE#PBF

Mouser Part #
584-LTC3122HMSE#PBF

Analog Devices

Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D

Learn More

Datasheet

43In Stock

$17.78

$13.83

$13.18

$11.44

$10.93

Min.: 1
Mult.: 1

SMD/SMT

MSOP-12

Boost

2.2 V to 15 V

2.5 A

1 Output

25 uA

1 MHz

- 40 C

+ 150 C

LTC3122

Tube

Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D

LTC3122IDE#PBF
Analog Devices
1: $16.40
210In Stock

Mfr. Part #
LTC3122IDE#PBF

Mouser Part #
584-LTC3122IDE#PBF

Analog Devices

Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D

Learn More

Datasheet

210In Stock

$16.40

$12.68

$12.09

$10.49

$10.03

Min.: 1
Mult.: 1

SMD/SMT

DFN-12

Boost

2.2 V to 15 V

2.5 A

1 Output

25 uA

1 MHz

- 40 C

+ 125 C

LTC3122

Tube

Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out

LTC3124EDHC#TRPBF
Analog Devices
1: $19.16
2,059In Stock

Mfr. Part #
LTC3124EDHC#TRPBF

Mouser Part #
584-LTC3124EDHCTRPBF

Analog Devices

Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out

Learn More

Datasheet

2,059In Stock

Cut Tape

$19.16

$15.13

$14.43

$12.52

$11.97

Reel

$11.97

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

DFN-16

Boost

2.5 V to 15 V

5 A

1 Output

25 uA

1 MHz

- 40 C

+ 125 C

LTC3124

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out

LTC3124IDHC#PBF
Analog Devices
1: $20.48
119In Stock

Mfr. Part #
LTC3124IDHC#PBF

Mouser Part #
584-LTC3124IDHC#PBF

Analog Devices

Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out

Learn More

Datasheet

119In Stock

$20.48

$15.55

$14.91

$13.13

$12.49

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

Boost

2.5 V to 15 V

5 A

1 Output

25 uA

1 MHz

- 40 C

+ 125 C

LTC3124

Tube

Switching Voltage Regulators 3A Mono Buck-Boost Supercap Chr & Balanc

LTC3128EFE#PBF
Analog Devices
1: $23.51
22In Stock

Mfr. Part #
LTC3128EFE#PBF

Mouser Part #
584-LTC3128EFE#PBF

Analog Devices

Switching Voltage Regulators 3A Mono Buck-Boost Supercap Chr & Balanc

Learn More

Datasheet

22In Stock

$23.51

$18.45

$17.69

$15.58

$14.82

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-24

Boost, Buck

1.8 V to 5.5 V

3 A

1 Output

600 uA

1.2 MHz

- 40 C

+ 125 C

LTC3128

Tube

Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/

LTC3129EMSE#PBF
Analog Devices
1: $17.61
31In Stock

Mfr. Part #
LTC3129EMSE#PBF

Mouser Part #
584-LTC3129EMSE#PBF

Analog Devices

Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/

Learn More

Datasheet

31In Stock

$17.61

$13.69

$13.05

$11.33

$10.82

Min.: 1
Mult.: 1

SMD/SMT

MSOP-16

Buck-Boost

1.4 V to 15.75 V

200 mA

1 Output

1.3 uA

1.2 MHz

- 40 C

+ 125 C

LTC3129

Tube

Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/

LTC3129EMSE-1#PBF
Analog Devices
1: $17.61
150In Stock

Mfr. Part #
LTC3129EMSE-1#PBF

Mouser Part #
584-LTC3129EMSE-1PBF

Analog Devices

Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/

Learn More

Datasheet

150In Stock

$17.61

$13.69

$13.05

$11.33

$10.82

Min.: 1
Mult.: 1

SMD/SMT

MSOP-16

Boost, Buck

2.5 V to 15 V

200 mA

1 Output

1.3 uA

1.2 MHz

- 40 C

+ 125 C

LTC3129-1

Tube

Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current

LTC3130IUDC-1#PBF
Analog Devices
1: $20.23
87In Stock
182Expected 2026-04-23

Mfr. Part #
LTC3130IUDC-1#PBF

Mouser Part #
584-LTC3130IUDC-1PBF

Analog Devices

Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current

Learn More

Datasheet

87In Stock

182Expected 2026-04-23

$20.23

$15.38

$14.74

$12.97

$12.34

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

Buck-Boost

1 V to 25 V

600 mA

1 Output

1.6 uA

1.2 MHz

- 40 C

+ 125 C

LTC3130

Tube

Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out

LTC3124EFE#TRPBF
Analog Devices
1: $19.16
27In Stock

Mfr. Part #
LTC3124EFE#TRPBF

Mouser Part #
584-LTC3124EFE#TRPBF

Analog Devices

Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out

Learn More

Datasheet

27In Stock

Cut Tape

$19.16

$15.13

$14.43

$12.52

$11.97

Reel

$11.97

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

TSSOP-16

Boost

2.5 V to 15 V

5 A

1 Output

25 uA

1 MHz

- 40 C

+ 125 C

LTC3124

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current

LTC3130EUDC#PBF
Analog Devices
1: $19.64
3,614On Order

Mfr. Part #
LTC3130EUDC#PBF

Mouser Part #
584-LTC3130EUDC#PBF

Analog Devices

Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current

Learn More

Datasheet

3,614On Order

$19.64

$15.50

$14.79

$12.83

$12.26

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

Buck-Boost

1 V to 25 V

600 mA

1 Output

1.6 uA

1.2 MHz

- 40 C

+ 125 C

LTC3130

Tube

Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current

LTC3130IUDC#PBF
Analog Devices
1: $20.23
4,037Expected 2026-02-16

Mfr. Part #
LTC3130IUDC#PBF

Mouser Part #
584-LTC3130IUDC#PBF

Analog Devices

Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current

Learn More

Datasheet

4,037Expected 2026-02-16

$20.23

$15.38

$14.74

$12.97

$12.34

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

Buck-Boost

1 V to 25 V

600 mA

1 Output

1.6 uA

1.2 MHz

- 40 C

+ 125 C

LTC3130

Tube

Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current

LTC3130IMSE-1#PBF
Analog Devices
1: $20.23
95Expected 2026-04-13

Mfr. Part #
LTC3130IMSE-1#PBF

Mouser Part #
584-LTC3130IMSE-1PBF

Analog Devices

Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current

Learn More

Datasheet

95Expected 2026-04-13

$20.23

$15.38

$14.74

$12.97

$12.34

Min.: 1
Mult.: 1

SMD/SMT

MSOP-16

Buck-Boost

1 V to 25 V

600 mA

1 Output

1.6 uA

1.2 MHz

- 40 C

+ 125 C

LTC3130

Tube

Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv

LTC3112MPDHD#TRPBF
Analog Devices
2,500: $38.44
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3112MPDHD#TRPBF

Mouser Part #
584-C3112MPDHDTRPBF

Analog Devices

Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$38.44

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

Reel: 2,500

SMD/SMT

DFN-16

Boost, Buck

2.5 V to 14 V

2.5 A

1 Output

50 uA

750 kHz

- 55 C

+ 150 C

LTC3112

Reel

Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr

LTC3114HDHC-1#TRPBF
Analog Devices
2,500: $15.30
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3114HDHC-1#TRPBF

Mouser Part #
584-C3114HDHC-1TRPBF

Analog Devices

Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$15.30

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

Reel: 2,500

SMD/SMT

DFN-16

Boost, Buck

2.7 V to 40 V

1 A

1 Output

30 uA

1.2 MHz

- 40 C

+ 150 C

LTC3114-1

Reel

Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr

LTC3114HFE-1#TRPBF
Analog Devices
2,500: $15.30
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3114HFE-1#TRPBF

Mouser Part #
584-C3114HFE-1TRPBF

Analog Devices

Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$15.30

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

Reel: 2,500

SMD/SMT

TSSOP-16

Boost, Buck

2.7 V to 40 V

1 A

1 Output

30 uA

1.2 MHz

- 40 C

+ 150 C

LTC3114-1

Reel

Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr

LTC3114MPDHC-1#TRPBF
Analog Devices
2,500: $37.98
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3114MPDHC-1#TRPBF

Mouser Part #
584-C3114MPDHC-1TPF

Analog Devices

Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$37.98

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

Reel: 2,500

SMD/SMT

DFN-16

Boost, Buck

2.7 V to 40 V

1 A

1 Output

30 uA

1.2 MHz

- 55 C

+ 150 C

LTC3114-1

Reel

Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr

LTC3114MPFE-1#TRPBF
Analog Devices
2,500: $37.98
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3114MPFE-1#TRPBF

Mouser Part #
584-C3114MPFE-1TRPBF

Analog Devices

Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$37.98

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

Reel: 2,500

SMD/SMT

TSSOP-16

Boost, Buck

2.7 V to 40 V

1 A

1 Output

30 uA

1.2 MHz

- 55 C

+ 150 C

LTC3114-1

Reel

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

LTC3115EDHD-2#TRPBF
Analog Devices
2,500: $18.69
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3115EDHD-2#TRPBF

Mouser Part #
584-C3115EDHD-2TRPBF

Analog Devices

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$18.69

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

Reel: 2,500

SMD/SMT

DFN-16

Boost, Buck

2.7 V to 40 V

2 A

1 Output

30 uA

1 MHz

- 40 C

+ 125 C

LTC3115-2

Reel

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

LTC3115HFE-1#TRPBF
Analog Devices
2,500: $22.13
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3115HFE-1#TRPBF

Mouser Part #
584-C3115HFE-1TRPBF

Analog Devices

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$22.13

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

Reel: 2,500

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.7 V to 40 V

2 A

1 Output

30 uA

1 MHz

- 40 C

+ 150 C

LTC3115-1

Reel

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

LTC3115HFE-2#TRPBF
Analog Devices
2,500: $22.13
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
LTC3115HFE-2#TRPBF

Mouser Part #
584-C3115HFE-2TRPBF

Analog Devices

Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$22.13

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

Reel: 2,500

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.7 V to 40 V

2 A

1 Output

30 uA

1 MHz

- 40 C

+ 150 C

LTC3115-2

Reel

LTC31xx Synchronous Buck-Boost DC-DC Converters

Mouser Electronics®

Company

Resources

Support