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

LTC3112HFE#PBF
Analog Devices
1: $22.81
114In Stock

Mfr. Part No.
LTC3112HFE#PBF

Mouser Part No
584-LTC3112HFE#PBF

Analog Devices

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

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Datasheet

114In Stock

$22.81

$17.90

$17.17

$15.12

$14.37

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: $21.63
103In Stock

Mfr. Part No.
LTC3112IFE#PBF

Mouser Part No
584-LTC3112IFE#PBF

Analog Devices

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

Learn More

Datasheet

103In Stock

$21.63

$16.97

$16.28

$14.34

$13.64

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: $27.34
93In Stock

Mfr. Part No.
LTC3115IFE-2#PBF

Mouser Part No
584-LTC3115IFE-2#PBF

Analog Devices

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

Learn More

Datasheet

93In Stock

$27.34

$22.64

$21.71

$19.13

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: $61.34
36In Stock

Mfr. Part No.
LTC3115MPFE-2#PBF

Mouser Part No
584-LTC3115MPFE-2PBF

Analog Devices

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

Learn More

Datasheet

36In Stock

$61.34

$52.60

$50.26

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, 2.5A Sync Boost DC/DC Conv w/ Out D

LTC3122HMSE#PBF
Analog Devices
1: $15.94
43In Stock

Mfr. Part No.
LTC3122HMSE#PBF

Mouser Part No
584-LTC3122HMSE#PBF

Analog Devices

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

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Datasheet

43In Stock

$15.94

$12.40

$11.82

$10.26

$9.80

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: $14.71
110In Stock

Mfr. Part No.
LTC3122IDE#PBF

Mouser Part No
584-LTC3122IDE#PBF

Analog Devices

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

Learn More

Datasheet

110In Stock

$14.71

$11.37

$10.84

$9.41

$8.99

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: $17.18
2,059In Stock

Mfr. Part No.
LTC3124EDHC#TRPBF

Mouser Part No
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

$17.18

$13.57

$12.94

$11.23

$10.73

Reel

$10.73

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: $18.36
119In Stock

Mfr. Part No.
LTC3124IDHC#PBF

Mouser Part No
584-LTC3124IDHC#PBF

Analog Devices

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

Learn More

Datasheet

119In Stock

$18.36

$13.94

$13.37

$11.77

$11.20

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: $21.09
22In Stock

Mfr. Part No.
LTC3128EFE#PBF

Mouser Part No
584-LTC3128EFE#PBF

Analog Devices

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

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Datasheet

22In Stock

$21.09

$16.54

$15.86

$13.97

$13.29

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: $15.79
31In Stock

Mfr. Part No.
LTC3129EMSE#PBF

Mouser Part No
584-LTC3129EMSE#PBF

Analog Devices

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

Learn More

Datasheet

31In Stock

$15.79

$12.27

$11.70

$10.16

$9.70

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: $15.79
150In Stock

Mfr. Part No.
LTC3129EMSE-1#PBF

Mouser Part No
584-LTC3129EMSE-1PBF

Analog Devices

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

Learn More

Datasheet

150In Stock

$15.79

$12.27

$11.70

$10.16

$9.70

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: $18.14
87In Stock
182Expected 28/4/2026

Mfr. Part No.
LTC3130IUDC-1#PBF

Mouser Part No
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 28/4/2026

$18.14

$13.79

$13.22

$11.63

$11.06

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

LTC3114MPDHC-1#PBF
Analog Devices
1: $45.81
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

$45.81

$39.87

$38.07

$34.06

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 Boost DC/DC Conv w/ Out D

LTC3121IDE#TRPBF
Analog Devices
1: $14.71
215In Stock

Mfr. Part No.
LTC3121IDE#TRPBF

Mouser Part No
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

$14.71

$11.37

$10.84

$9.41

$8.99

Reel

$8.99

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, 5A 2-PhSync Boost DC/DC Conv w/ Out

LTC3124EFE#TRPBF
Analog Devices
1: $17.18
27In Stock

Mfr. Part No.
LTC3124EFE#TRPBF

Mouser Part No
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

$17.18

$13.57

$12.94

$11.23

$10.73

Reel

$10.73

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: $17.61
975In Stock
2,639Expected 24/4/2026

Mfr. Part No.
LTC3130EUDC#PBF

Mouser Part No
584-LTC3130EUDC#PBF

Analog Devices

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

Learn More

Datasheet

975In Stock

2,639Expected 24/4/2026

$17.61

$13.90

$13.26

$11.51

$10.99

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: $18.14
4,037In Stock

Mfr. Part No.
LTC3130IUDC#PBF

Mouser Part No
584-LTC3130IUDC#PBF

Analog Devices

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

Learn More

Datasheet

4,037In Stock

$18.14

$13.79

$13.22

$11.63

$11.06

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: $18.15
95Expected 13/4/2026

Mfr. Part No.
LTC3130IMSE-1#PBF

Mouser Part No
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 13/4/2026

$18.15

$13.80

$13.23

$11.63

$11.06

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: $34.47
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3112MPDHD#TRPBF

Mouser Part No
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

$34.47

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: $13.72
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3114HDHC-1#TRPBF

Mouser Part No
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

$13.72

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: $13.72
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3114HFE-1#TRPBF

Mouser Part No
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

$13.72

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: $34.06
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3114MPDHC-1#TRPBF

Mouser Part No
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

$34.06

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: $34.06
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3114MPFE-1#TRPBF

Mouser Part No
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

$34.06

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: $16.76
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3115EDHD-2#TRPBF

Mouser Part No
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

$16.76

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: $19.85
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3115HFE-1#TRPBF

Mouser Part No
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

$19.85

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

LTC31xx Synchronous Buck-Boost DC-DC Converters

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