Voltage Regulators - Switching Regulators

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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.

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Part #

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

LTC3114MPFE-1#PBF
Analog Devices
1: £24.75
106In Stock

Mfr. Part No.
LTC3114MPFE-1#PBF

Mouser Part No
584-LTC3114MPFE-1PBF

Analog Devices

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

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Datasheet

106In Stock

£24.75

£21.53

£20.57

£18.39

Min.: 1
Mult.: 1

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

Tube

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

LTC3115EDHD-2#PBF
Analog Devices
1: £13.27
294In Stock

Mfr. Part No.
LTC3115EDHD-2#PBF

Mouser Part No
584-LTC3115EDHD-2PBF

Analog Devices

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

Learn More

Datasheet

294In Stock

£13.27

£10.72

£10.28

£9.05

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

Boost, Buck

2.7 V to 40 V

2 A

1 Output

50 uA

2 MHz

- 40 C

+ 125 C

LTC3115-2

Tube

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

LTC3115HFE-1#PBF
Analog Devices
1: £15.33
296In Stock

Mfr. Part No.
LTC3115HFE-1#PBF

Mouser Part No
584-LTC3115HFE-1#PBF

Analog Devices

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

Learn More

Datasheet

296In Stock

£15.33

£12.69

£12.17

£10.72

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.7 V to 40 V

2 A

1 Output

50 uA

2 MHz

- 40 C

+ 150 C

LTC3115-1

Tube

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

LTC3115IDHD-2#PBF
Analog Devices
1: £15.75
144In Stock

Mfr. Part No.
LTC3115IDHD-2#PBF

Mouser Part No
584-LTC3115IDHD-2PBF

Analog Devices

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

Learn More

Datasheet

144In Stock

£15.75

£13.33

£12.78

£11.25

Min.: 1
Mult.: 1

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

Tube

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

LTC3115MPFE-1#PBF
Analog Devices
1: £33.13
66In Stock

Mfr. Part No.
LTC3115MPFE-1#PBF

Mouser Part No
584-LTC3115MPFE-1PBF

Analog Devices

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

Learn More

Datasheet

66In Stock

£33.13

£28.41

£27.15

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

LTC3115-1

Tube

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

LTC3121EDE#TRPBF
Analog Devices
1: £7.16
3,066In Stock

Mfr. Part No.
LTC3121EDE#TRPBF

Mouser Part No
584-LTC3121EDE#TRPBF

Analog Devices

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

Learn More

Datasheet

3,066In Stock

Cut Tape

£7.16

£5.37

£5.12

£4.44

View

Reel

£3.87

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, 1.5A Sync Boost DC/DC Conv w/ Out D

LTC3121IDE#PBF
Analog Devices
1: £7.94
1,326In Stock

Mfr. Part No.
LTC3121IDE#PBF

Mouser Part No
584-LTC3121IDE#PBF

Analog Devices

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

Learn More

Datasheet

1,326In Stock

£7.94

£6.14

£5.86

£5.08

£4.85

Min.: 1
Mult.: 1

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

Tube

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

LTC3122EDE#TRPBF
Analog Devices
1: £7.16
1,066In Stock

Mfr. Part No.
LTC3122EDE#TRPBF

Mouser Part No
584-LTC3122EDE#TRPBF

Analog Devices

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

Learn More

Datasheet

1,066In Stock

Cut Tape

£7.16

£5.37

£5.12

£4.44

View

Reel

£3.87

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

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

Reel, Cut Tape, MouseReel

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

LTC3122EMSE#PBF
Analog Devices
1: £7.16
1,103In Stock

Mfr. Part No.
LTC3122EMSE#PBF

Mouser Part No
584-LTC3122EMSE#PBF

Analog Devices

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

Learn More

Datasheet

1,103In Stock

£7.16

£5.37

£5.12

£4.44

View

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

+ 125 C

LTC3122

Tube

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

LTC3124EDHC#PBF
Analog Devices
1: £9.28
467In Stock

Mfr. Part No.
LTC3124EDHC#PBF

Mouser Part No
584-LTC3124EDHC#PBF

Analog Devices

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

Learn More

Datasheet

467In Stock

£9.28

£7.32

£6.99

£6.07

£5.80

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

Boost

2.5 V to 15 V

2.5 A

1 Output

25 uA

1 MHz

- 40 C

+ 125 C

LTC3124

Tube

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

LTC3124EFE#PBF
Analog Devices
1: £9.28
286In Stock

Mfr. Part No.
LTC3124EFE#PBF

Mouser Part No
584-LTC3124EFE#PBF

Analog Devices

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

Learn More

Datasheet

286In Stock

£9.28

£7.32

£6.99

£6.07

£5.80

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-16

Boost

2.5 V to 15 V

2.5 A

1 Output

25 uA

1 MHz

- 40 C

+ 125 C

LTC3124

Tube

Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In

LTC3127EMSE#PBF
Analog Devices
1: £8.70
445In Stock

Mfr. Part No.
LTC3127EMSE#PBF

Mouser Part No
584-LTC3127EMSE#PBF

Analog Devices

Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In

Learn More

Datasheet

445In Stock

£8.70

£6.76

£6.45

£5.60

£5.34

Min.: 1
Mult.: 1

SMD/SMT

MSOP-12

Boost, Buck

1.8 V to 5.25 V

1 A

1 Output

35 uA

1.35 MHz

- 40 C

+ 85 C

LTC3127

Tube

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

LTC3128IFE#PBF
Analog Devices
1: £12.40
573In Stock

Mfr. Part No.
LTC3128IFE#PBF

Mouser Part No
584-LTC3128IFE#PBF

Analog Devices

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

Learn More

Datasheet

573In Stock

£12.40

£9.73

£9.32

£8.21

£7.81

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-24

Boost, Buck

1.8 V to 5.5 V

3 A

1 Output

14 uA

1.2 MHz

- 40 C

+ 125 C

LTC3128

Tube

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

LTC3129EUD#PBF
Analog Devices
1: £8.53
1,362In Stock

Mfr. Part No.
LTC3129EUD#PBF

Mouser Part No
584-LTC3129EUD#PBF

Analog Devices

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

Learn More

Datasheet

1,362In Stock

£8.53

£6.63

£6.32

£5.49

£5.24

Min.: 1
Mult.: 1

SMD/SMT

QFN-16

Boost, Buck

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/

LTC3129EUD#TRPBF
Analog Devices
1: £8.53
368In Stock
2,500Expected 17/04/2026

Mfr. Part No.
LTC3129EUD#TRPBF

Mouser Part No
584-LTC3129EUD#TRPBF

Analog Devices

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

Learn More

Datasheet

368In Stock

2,500Expected 17/04/2026

Cut Tape

£8.53

£6.63

£6.32

£5.49

£5.24

Reel

£5.24

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,500

SMD/SMT

QFN-16

Boost, Buck

1.4 V to 15.75 V

200 mA

1 Output

1.3 uA

1.2 MHz

- 40 C

+ 125 C

LTC3129

Reel, Cut Tape, MouseReel

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

LTC3129IUD#PBF
Analog Devices
1: £9.36
339In Stock

Mfr. Part No.
LTC3129IUD#PBF

Mouser Part No
584-LTC3129IUD#PBF

Analog Devices

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

Learn More

Datasheet

339In Stock

£9.36

£7.28

£6.95

£6.03

£5.76

Min.: 1
Mult.: 1

SMD/SMT

QFN-16

Boost, Buck

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/

LTC3129IUD-1#PBF
Analog Devices
1: £9.36
248In Stock

Mfr. Part No.
LTC3129IUD-1#PBF

Mouser Part No
584-LTC3129IUD-1#PBF

Analog Devices

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

Learn More

Datasheet

248In Stock

£9.36

£7.28

£6.95

£6.03

£5.76

Min.: 1
Mult.: 1

SMD/SMT

QFN-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

LTC3130EUDC-1#PBF
Analog Devices
1: £9.52
686In Stock

Mfr. Part No.
LTC3130EUDC-1#PBF

Mouser Part No
584-LTC3130EUDC-1PBF

Analog Devices

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

Learn More

Datasheet

686In Stock

£9.52

£7.51

£7.16

£6.22

£5.94

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

Boost, Buck

1 V to 25 V

600 mA

1 Output

500 nA

1.2 MHz

- 40 C

+ 125 C

LTC3130

Tube

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

LTC3115EFE-2#PBF
Analog Devices
1: £13.74
329In Stock

Mfr. Part No.
LTC3115EFE-2#PBF

Mouser Part No
584-LTC3115EFE-2#PBF

Analog Devices

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

Learn More

Datasheet

329In Stock

£13.74

£11.10

£10.64

£9.38

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.7 V to 40 V

2 A

1 Output

50 uA

1 MHz

- 40 C

+ 125 C

LTC3115-2

Tube

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

LTC3130EMSE#PBF
Analog Devices
1: £9.52
1,940In Stock

Mfr. Part No.
LTC3130EMSE#PBF

Mouser Part No
584-LTC3130EMSE#PBF

Analog Devices

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

Learn More

Datasheet

1,940In Stock

£9.52

£7.51

£7.16

£6.22

£5.94

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

LTC3130EMSE-1#PBF
Analog Devices
1: £9.52
1,380In Stock

Mfr. Part No.
LTC3130EMSE-1#PBF

Mouser Part No
584-LTC3130EMSE-1PBF

Analog Devices

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

Learn More

Datasheet

1,380In Stock

£9.52

£7.51

£7.16

£6.22

£5.94

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

LTC3114IFE-1#TRPBF
Analog Devices
1: £11.50
1,480In Stock

Mfr. Part No.
LTC3114IFE-1#TRPBF

Mouser Part No
584-C3114IFE-1TRPBF

Analog Devices

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

Learn More

Datasheet

1,480In Stock

Cut Tape

£11.50

£8.73

£8.37

£7.38

£7.01

Reel

£7.01

MouseReel Available

Min.: 1
Mult.: 1

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

+ 125 C

LTC3114-1

Reel, Cut Tape, MouseReel

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

LTC3114MPDHC-1#PBF
Analog Devices
1: £24.75
15In Stock

Mfr. Part No.
LTC3114MPDHC-1#PBF

Mouser Part No
584-C3114MPDHC-1PBF

Analog Devices

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

Learn More

Datasheet

15In Stock

£24.75

£21.53

£20.57

£18.39

Min.: 1
Mult.: 1

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

Tube

Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv

LTC3111HMSE#PBF
Analog Devices
1: £11.13
34In Stock

Mfr. Part No.
LTC3111HMSE#PBF

Mouser Part No
584-LTC3111HMSE#PBF

Analog Devices

Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

34In Stock

£11.13

£8.45

£8.10

£7.14

£6.78

Min.: 1
Mult.: 1

SMD/SMT

MSOP-16

Buck-Boost

2.5 V to 15 V

1.4 A

1 Output

55 uA

800 kHz

- 40 C

+ 150 C

LTC3111

Tube

Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv

LTC3111IMSE#PBF
Analog Devices
1: £10.48
38In Stock

Mfr. Part No.
LTC3111IMSE#PBF

Mouser Part No
584-LTC3111IMSE#PBF

Analog Devices

Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv

Learn More

Datasheet

38In Stock

£10.48

£7.96

£7.63

£6.72

£6.39

Min.: 1
Mult.: 1

SMD/SMT

MSOP-16

Buck-Boost

2.5 V to 15 V

1.4 A

1 Output

55 uA

800 kHz

- 40 C

+ 125 C

LTC3111

Tube

LTC31xx Synchronous Buck-Boost DC-DC Converters

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