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

LTC3130IMSE#PBF
Analog Devices
1: $16.89
7,795In Stock

Mfr. Part #
LTC3130IMSE#PBF

Mouser Part #
584-LTC3130IMSE#PBF

Analog Devices

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

Learn More

Datasheet

7,795In Stock

$16.89

$13.51

$12.24

$11.49

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

LTC3115IFE-1#PBF
Analog Devices
1: $26.54
1,559In Stock

Mfr. Part #
LTC3115IFE-1#PBF

Mouser Part #
584-LTC3115IFE-1#PBF

Analog Devices

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

Learn More

Datasheet

1,559In Stock

$26.54

$21.11

$20.81

$17.93

View

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

LTC3115-1

Tube

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

LTC3115EDHD-1#PBF
Analog Devices
1: $23.54
1,854In Stock

Mfr. Part #
LTC3115EDHD-1#PBF

Mouser Part #
584-LTC3115EDHD-1PBF

Analog Devices

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

Learn More

Datasheet

1,854In Stock

$23.54

$18.66

$16.36

$15.80

View

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

Boost, Buck

2.7 V to 40 V

2 A

1 Output

50 uA

1 MHz

- 40 C

+ 125 C

LTC3115-1

Tube

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

LTC3115EFE-1#PBF
Analog Devices
1: $24.31
8,145In Stock

Mfr. Part #
LTC3115EFE-1#PBF

Mouser Part #
584-LTC3115EFE-1#PBF

Analog Devices

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

Learn More

Datasheet

8,145In Stock

$24.31

$19.28

$18.30

$16.33

View

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

LTC3115-1

Tube

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

LTC3129IMSE#PBF
Analog Devices
1: $15.42
3,130In Stock

Mfr. Part #
LTC3129IMSE#PBF

Mouser Part #
584-LTC3129IMSE#PBF

Analog Devices

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

Learn More

Datasheet

3,130In Stock

$15.42

$12.08

$10.96

$10.44

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

LTC3114HFE-1#PBF
Analog Devices
1: $20.00
1,369In Stock

Mfr. Part #
LTC3114HFE-1#PBF

Mouser Part #
584-LTC3114HFE-1#PBF

Analog Devices

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

Learn More

Datasheet

1,369In Stock

$20.00

$15.32

$14.27

$12.95

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-16

Boost, Buck

2.7 V to 40 V

1 A

1 Output

50 uA

1.2 MHz

- 40 C

+ 150 C

LTC3114-1

Tube

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

LTC3130EUDC#PBF
Analog Devices
1: $15.75
3,111In Stock

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

3,111In Stock

$15.75

$12.30

$11.23

$10.31

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

LTC3127EMSE#PBF
Analog Devices
1: $14.03
444In Stock

Mfr. Part #
LTC3127EMSE#PBF

Mouser Part #
584-LTC3127EMSE#PBF

Analog Devices

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

Learn More

Datasheet

444In Stock

$14.03

$10.92

$9.81

$9.23

View

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

LTC3129IMSE-1#PBF
Analog Devices
1: $14.76
339In Stock

Mfr. Part #
LTC3129IMSE-1#PBF

Mouser Part #
584-LTC3129IMSE-1PBF

Analog Devices

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

Learn More

Datasheet

339In Stock

$14.76

$11.28

$10.05

$9.03

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/

LTC3129IUD-1#PBF
Analog Devices
1: $15.00
245In Stock

Mfr. Part #
LTC3129IUD-1#PBF

Mouser Part #
584-LTC3129IUD-1#PBF

Analog Devices

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

Learn More

Datasheet

245In Stock

$15.00

$11.71

$10.70

$9.88

View

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 3A L N Buck-Boost DC/DC Conv

LTC3113IDHD#PBF
Analog Devices
1: $19.43
169In Stock

Mfr. Part #
LTC3113IDHD#PBF

Mouser Part #
584-LTC3113IDHD#PBF

Analog Devices

Switching Voltage Regulators 3A L N Buck-Boost DC/DC Conv

Learn More

Datasheet

169In Stock

$19.43

$15.25

$13.42

$12.86

View

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

Boost, Buck

1.8 V to 5.5 V

3 A

1 Output

40 uA

2 MHz

- 40 C

+ 125 C

LTC3113

Tube

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

LTC3128IFE#PBF
Analog Devices
1: $21.53
573In Stock

Mfr. Part #
LTC3128IFE#PBF

Mouser Part #
584-LTC3128IFE#PBF

Analog Devices

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

Learn More

Datasheet

573In Stock

$21.53

$16.99

$14.93

$14.46

View

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/

LTC3129IUD#PBF
Analog Devices
1: $13.82
291In Stock

Mfr. Part #
LTC3129IUD#PBF

Mouser Part #
584-LTC3129IUD#PBF

Analog Devices

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

Learn More

Datasheet

291In Stock

$13.82

$10.80

$9.89

$8.32

$8.31

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

LTC3122IMSE#PBF
Analog Devices
1: $14.36
1,053In Stock

Mfr. Part #
LTC3122IMSE#PBF

Mouser Part #
584-LTC3122IMSE#PBF

Analog Devices

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

Learn More

Datasheet

1,053In Stock

$14.36

$11.19

$10.12

$8.86

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, 1.5A Sync Buck-Boost DC/DC Conv

LTC3111HMSE#PBF
Analog Devices
1: $19.21
34In Stock

Mfr. Part #
LTC3111HMSE#PBF

Mouser Part #
584-LTC3111HMSE#PBF

Analog Devices

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

Learn More

Datasheet

34In Stock

$19.21

$15.05

$14.01

$12.23

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

+ 150 C

LTC3111

Tube

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

LTC3115IFE-2#PBF
Analog Devices
1: $26.51
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

$26.51

$21.10

$19.38

$17.93

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

+ 125 C

LTC3115-2

Tube

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

LTC3115MPFE-2#PBF
Analog Devices
1: $65.48
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

$65.48

$53.55

$50.50

$46.64

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

- 55 C

+ 150 C

LTC3115-2

Tube

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

LTC3115EDHD-1#TRPBF
Analog Devices
1: $23.54
2,679In Stock
10,000On Order

Mfr. Part #
LTC3115EDHD-1#TRPBF

Mouser Part #
584-C3115EDHD-1TRPBF

Analog Devices

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

Learn More

Datasheet

2,679In Stock

10,000On Order

Cut Tape

$23.54

$18.66

$17.44

$16.16

View

Reel

$14.21

MouseReel Available

Min.: 1
Mult.: 1

: 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

LTC3115-1

Reel, Cut Tape, MouseReel

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

LTC3115IDHD-1#TRPBF
Analog Devices
1: $25.79
8,296In Stock

Mfr. Part #
LTC3115IDHD-1#TRPBF

Mouser Part #
584-C3115IDHD-1TRPBF

Analog Devices

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

Learn More

Datasheet

8,296In Stock

Cut Tape

$25.79

$20.45

$18.98

$17.67

View

Reel

$17.09

MouseReel Available

Min.: 1
Mult.: 1
Max.: 1,000

: 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

LTC3115-1

Reel, Cut Tape, MouseReel

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

LTC3112EDHD#PBF
Analog Devices
1: $18.13
3,526In Stock

Mfr. Part #
LTC3112EDHD#PBF

Mouser Part #
584-LTC3112EDHD#PBF

Analog Devices

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

Learn More

Datasheet

3,526In Stock

$18.13

$14.24

$13.29

$11.97

View

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

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 3A L N Buck-Boost DC/DC Conv

LTC3113EDHD#TRPBF
Analog Devices
1: $17.91
7,355In Stock

Mfr. Part #
LTC3113EDHD#TRPBF

Mouser Part #
584-LTC3113EDHDTRPBF

Analog Devices

Switching Voltage Regulators 3A L N Buck-Boost DC/DC Conv

Learn More

Datasheet

7,355In Stock

Cut Tape

$17.91

$14.07

$13.10

$12.05

View

Reel

$10.56

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

DFN-16

Boost, Buck

1.8 V to 5.5 V

3 A

1 Output

40 uA

1 MHz

- 40 C

+ 125 C

LTC3113

Reel, Cut Tape, MouseReel

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

LTC3115IDHD-1#PBF
Analog Devices
1: $25.68
1,891In Stock

Mfr. Part #
LTC3115IDHD-1#PBF

Mouser Part #
584-LTC3115IDHD-1PBF

Analog Devices

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

Learn More

Datasheet

1,891In Stock

$25.68

$20.40

$17.91

$17.31

View

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

Boost, Buck

2.7 V to 40 V

2 A

1 Output

50 uA

1 MHz

- 40 C

+ 125 C

LTC3115-1

Tube

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

LTC3114IDHC-1#TRPBF
Analog Devices
1: $19.53
705In Stock

Mfr. Part #
LTC3114IDHC-1#TRPBF

Mouser Part #
584-C3114IDHC-1TRPBF

Analog Devices

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

Learn More

Datasheet

705In Stock

Cut Tape

$19.53

$15.38

$14.34

$13.20

View

Reel

$11.45

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

LTC3114IFE-1#TRPBF
Analog Devices
1: $19.53
365In Stock
2,500Expected 2026-12-31

Mfr. Part #
LTC3114IFE-1#TRPBF

Mouser Part #
584-C3114IFE-1TRPBF

Analog Devices

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

Learn More

Datasheet

365In Stock

2,500Expected 2026-12-31

Cut Tape

$19.53

$15.38

$14.34

$13.20

View

Reel

$11.59

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: $48.01
54In Stock

Mfr. Part #
LTC3114MPDHC-1#PBF

Mouser Part #
584-C3114MPDHC-1PBF

Analog Devices

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

Learn More

Datasheet

54In Stock

$48.01

$38.91

$34.62

$33.60

$32.76

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

LTC31xx Synchronous Buck-Boost DC-DC Converters

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