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

LTC3130EMSE-1#PBF
Analog Devices
1: $10.72
1,206In 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

1,206In Stock

$10.72

$8.39

$7.59

$7.11

View

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

LTC3130EUDC#PBF
Analog Devices
1: $10.72
1,383In Stock

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

1,383In Stock

$10.72

$8.39

$8.06

$6.93

View

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: $11.73
981In Stock
1,274On Order

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

981In Stock

1,274On Order

$11.73

$9.19

$7.90

$7.63

View

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

LTC3114EDHC-1#TRPBF
Analog Devices
1: $12.44
40In Stock
2,500Expected 2026/08/20

Mfr. Part No.
LTC3114EDHC-1#TRPBF

Mouser Part No
584-C3114EDHC-1TRPBF

Analog Devices

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

Learn More

Datasheet

40In Stock

2,500Expected 2026/08/20

Cut Tape

$12.44

$9.77

$9.11

$8.37

View

Reel

$7.33

MouseReel Available

Min.: 1
Mult.: 1

: 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

+ 125 C

LTC3114-1

Reel, Cut Tape, MouseReel

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

LTC3114EFE-1#TRPBF
Analog Devices
1: $12.44
19In Stock
2,500Expected 2026/12/10

Mfr. Part No.
LTC3114EFE-1#TRPBF

Mouser Part No
584-C3114EFE-1TRPBF

Analog Devices

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

Learn More

Datasheet

19In Stock

2,500Expected 2026/12/10

Cut Tape

$12.44

$9.77

$9.11

$8.37

View

Reel

$7.33

MouseReel Available

Min.: 1
Mult.: 1

: 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: $33.34
51In 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

51In Stock

$33.34

$27.03

$24.04

$23.33

$22.76

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

LTC3111EDE#PBF
Analog Devices
1: $11.40
9In Stock
910On Order

Mfr. Part No.
LTC3111EDE#PBF

Mouser Part No
584-LTC3111EDE#PBF

Analog Devices

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

Learn More

Datasheet

9In Stock

910On Order

$11.40

$8.91

$7.92

$7.25

$7.11

Min.: 1
Mult.: 1

SMD/SMT

DFN-14

Buck-Boost

2.5 V to 15 V

1.4 A

1 Output

55 uA

800 kHz

- 40 C

+ 125 C

LTC3111

Tube

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

LTC3111EDE#TRPBF
Analog Devices
1: $11.18
21In Stock
7,500Expected 2026/09/30

Mfr. Part No.
LTC3111EDE#TRPBF

Mouser Part No
584-LTC3111EDE#TRPBF

Analog Devices

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

Learn More

Datasheet

21In Stock

7,500Expected 2026/09/30

Cut Tape

$11.18

$8.75

$8.28

$7.61

View

Reel

$6.62

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

DFN-14

Boost, Buck

2.5 V to 15 V

1.4 A

1 Output

55 uA

800 kHz

- 40 C

+ 125 C

LTC3111

Reel, Cut Tape, MouseReel

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

LTC3111EMSE#PBF
Analog Devices
1: $11.47
33In Stock
296Expected 2027/04/21

Mfr. Part No.
LTC3111EMSE#PBF

Mouser Part No
584-LTC3111EMSE#PBF

Analog Devices

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

Learn More

Datasheet

33In Stock

296Expected 2027/04/21

$11.47

$8.98

$8.13

$7.62

View

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

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

LTC3111IMSE#PBF
Analog Devices
1: $12.47
33In 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

33In Stock

$12.47

$9.79

$8.89

$8.20

View

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

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

LTC3112HFE#PBF
Analog Devices
1: $14.89
104In 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

Learn More

Datasheet

104In Stock

$14.89

$11.76

$10.27

$9.92

View

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: $14.18
23In 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

23In Stock

$14.18

$11.19

$9.77

$9.42

View

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

LTC3114HDHC-1#PBF
Analog Devices
1: $14.26
74In Stock

Mfr. Part No.
LTC3114HDHC-1#PBF

Mouser Part No
584-LTC3114HDHC-1PBF

Analog Devices

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

Learn More

Datasheet

74In Stock

$14.26

$11.26

$9.83

$9.49

View

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

- 40 C

+ 150 C

LTC3114-1

Tube

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

LTC3114MPFE-1#PBF
Analog Devices
1: $33.34
40In 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

Learn More

Datasheet

40In Stock

$33.34

$27.03

$23.76

$23.10

View

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

LTC3115HFE-2#PBF
Analog Devices
1: $19.08
59In Stock

Mfr. Part No.
LTC3115HFE-2#PBF

Mouser Part No
584-LTC3115HFE-2#PBF

Analog Devices

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

Learn More

Datasheet

59In Stock

$19.08

$15.19

$13.35

$12.91

View

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

+ 150 C

LTC3115-2

Tube

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

LTC3122EDE#TRPBF
Analog Devices
1: $7.77
29In Stock
2,500Expected 2026/10/23

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

29In Stock

2,500Expected 2026/10/23

Cut Tape

$7.77

$6.01

$5.57

$5.08

View

Reel

$4.35

MouseReel Available

Min.: 1
Mult.: 1

: 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

LTC3122HMSE#PBF
Analog Devices
1: $9.66
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

Learn More

Datasheet

43In Stock

$9.66

$7.54

$6.80

$6.20

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

+ 150 C

LTC3122

Tube

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

LTC3122IDE#PBF
Analog Devices
1: $8.93
41In Stock
182Expected 2026/10/15

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

41In Stock

182Expected 2026/10/15

$8.93

$6.94

$5.93

$5.71

View

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#PBF
Analog Devices
1: $10.49
219In 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

219In Stock

$10.49

$8.19

$7.11

$6.84

View

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

LTC3124IDHC#PBF
Analog Devices
1: $11.86
71In 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

71In Stock

$11.86

$9.30

$8.09

$7.80

View

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

LTC3124IFE#PBF
Analog Devices
1: $11.86
58In Stock

Mfr. Part No.
LTC3124IFE#PBF

Mouser Part No
584-LTC3124IFE#PBF

Analog Devices

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

Learn More

Datasheet

58In Stock

$11.86

$9.30

$7.98

$7.70

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-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 1A Buck-Boost DC/DC Conv w/ Progmable In

LTC3127EDD#PBF
Analog Devices
1: $9.61
553In Stock
605Expected 2026/08/28

Mfr. Part No.
LTC3127EDD#PBF

Mouser Part No
584-LTC3127EDD#PBF

Analog Devices

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

Learn More

Datasheet

553In Stock

605Expected 2026/08/28

$9.61

$7.47

$6.93

$6.33

View

Min.: 1
Mult.: 1

SMD/SMT

DFN-10

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

LTC3128EFE#PBF
Analog Devices
1: $13.85
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

Learn More

Datasheet

22In Stock

$13.85

$10.92

$9.62

$9.27

View

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: $9.58
14In 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

14In Stock

$9.58

$7.47

$6.75

$6.30

View

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/

LTC3129EUD#TRPBF
Analog Devices
1: $9.58
139In Stock
2,500Expected 2026/11/10

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

139In Stock

2,500Expected 2026/11/10

Cut Tape

$9.58

$7.47

$6.93

$6.34

View

Reel

$5.44

MouseReel Available

Min.: 1
Mult.: 1

: 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

LTC31xx Synchronous Buck-Boost DC-DC Converters

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