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, 2A Sync Buck-Boost DC/DC Conv

LTC3115EFE-1#TRPBF
Analog Devices
1: $22.96
1,112In Stock
5,000Expected 7/1/2027

Mfr. Part No.
LTC3115EFE-1#TRPBF

Mouser Part No
584-C3115EFE-1TRPBF

Analog Devices

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

Learn More

Datasheet

1,112In Stock

5,000Expected 7/1/2027

Cut Tape

$22.96

$18.21

$17.03

$15.76

View

Reel

$14.08

MouseReel Available

Min.: 1
Mult.: 1

: 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

+ 125 C

LTC3115-1

Reel, Cut Tape, MouseReel

Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim

LTC3125EDCB#TRMPBF
Analog Devices
1: $10.24
1,186In Stock
3,500On Order

Mfr. Part No.
LTC3125EDCB#TRMPBF

Mouser Part No
584-C3125EDCBTRMPBF

Analog Devices

Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim

Learn More

Datasheet

1,186In Stock

3,500On Order

Cut Tape

$10.24

$7.92

$7.33

$6.69

Reel

$6.19

View

MouseReel Available

Min.: 1
Mult.: 1

: 500

SMD/SMT

DFN-8

Boost

2 V to 5.25 V

1 A

1 Output

300 uA

1.6 MHz

- 40 C

+ 125 C

LTC3125

Reel, Cut Tape, MouseReel

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

LTC3129EUD-1#TRPBF
Analog Devices
1: $13.03
1,266In Stock

Mfr. Part No.
LTC3129EUD-1#TRPBF

Mouser Part No
584-C3129EUD-1TRPBF

Analog Devices

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

Learn More

Datasheet

1,266In Stock

Cut Tape

$13.03

$10.15

$9.42

$8.62

View

Reel

$7.30

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

Reel, Cut Tape, MouseReel

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

LTC3111EMSE#PBF
Analog Devices
1: $15.59
468In Stock

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

468In Stock

$15.59

$12.21

$11.06

$10.36

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

LTC3112EDHD#TRPBF
Analog Devices
1: $17.12
378In Stock

Mfr. Part No.
LTC3112EDHD#TRPBF

Mouser Part No
584-LTC3112EDHDTRPBF

Analog Devices

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

Learn More

Datasheet

378In Stock

Cut Tape

$17.12

$13.45

$12.54

$11.52

View

Reel

$10.25

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

Reel, Cut Tape, MouseReel

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

LTC3112EFE#PBF
Analog Devices
1: $17.65
456In Stock

Mfr. Part No.
LTC3112EFE#PBF

Mouser Part No
584-LTC3112EFE#PBF

Analog Devices

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

Learn More

Datasheet

456In Stock

$17.65

$13.89

$12.10

$11.67

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

LTC3112IDHD#PBF
Analog Devices
1: $18.65
1,109In Stock

Mfr. Part No.
LTC3112IDHD#PBF

Mouser Part No
584-LTC3112IDHD#PBF

Analog Devices

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

Learn More

Datasheet

1,109In Stock

$18.65

$14.69

$12.82

$12.36

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#PBF
Analog Devices
1: $16.92
884In Stock

Mfr. Part No.
LTC3113EDHD#PBF

Mouser Part No
584-LTC3113EDHD#PBF

Analog Devices

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

Learn More

Datasheet

884In Stock

$16.92

$13.29

$11.57

$11.15

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 L N Buck-Boost DC/DC Conv

LTC3113EFE#PBF
Analog Devices
1: $17.65
277In Stock

Mfr. Part No.
LTC3113EFE#PBF

Mouser Part No
584-LTC3113EFE#PBF

Analog Devices

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

Learn More

Datasheet

277In Stock

$17.65

$13.89

$12.10

$11.67

View

Min.: 1
Mult.: 1

SMD/SMT

TSSOP-EP-20

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 L N Buck-Boost DC/DC Conv

LTC3113EFE#TRPBF
Analog Devices
1: $17.65
1,181In Stock

Mfr. Part No.
LTC3113EFE#TRPBF

Mouser Part No
584-LTC3113EFE#TRPBF

Analog Devices

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

Learn More

Datasheet

1,181In Stock

Cut Tape

$17.65

$13.89

$12.95

$12.14

View

Reel

$10.34

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

TSSOP-EP-20

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 3A L N Buck-Boost DC/DC Conv

LTC3113IFE#TRPBF
Analog Devices
1: $19.28
808In Stock

Mfr. Part No.
LTC3113IFE#TRPBF

Mouser Part No
584-LTC3113IFE#TRPBF

Analog Devices

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

Learn More

Datasheet

808In Stock

Cut Tape

$19.28

$15.20

$14.18

$13.06

View

Reel

$11.36

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

TSSOP-EP-20

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

LTC3114EDHC-1#PBF
Analog Devices
1: $16.92
514In Stock

Mfr. Part No.
LTC3114EDHC-1#PBF

Mouser Part No
584-LTC3114EDHC-1PBF

Analog Devices

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

Learn More

Datasheet

514In Stock

$16.92

$13.29

$11.57

$11.15

View

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

Boost, Buck

2.7 V to 40 V

1 A

1 Output

50 uA

1.2 MHz

- 40 C

+ 125 C

LTC3114-1

Tube

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

LTC3114EFE-1#PBF
Analog Devices
1: $16.92
1,808In Stock
1,710Expected 1/1/2027

Mfr. Part No.
LTC3114EFE-1#PBF

Mouser Part No
584-LTC3114EFE-1#PBF

Analog Devices

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

Learn More

Datasheet

1,808In Stock

1,710Expected 1/1/2027

$16.92

$13.29

$12.43

$11.41

Min.: 1
Mult.: 1
Max.: 250

SMD/SMT

TSSOP-16

Boost, Buck

2.7 V to 40 V

1 A

1 Output

50 uA

1.2 MHz

- 40 C

+ 125 C

LTC3114-1

Tube

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

LTC3114IDHC-1#PBF
Analog Devices
1: $18.44
394In Stock

Mfr. Part No.
LTC3114IDHC-1#PBF

Mouser Part No
584-LTC3114IDHC-1PBF

Analog Devices

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

Learn More

Datasheet

394In Stock

$18.44

$14.52

$12.68

$12.23

View

Min.: 1
Mult.: 1

SMD/SMT

DFN-16

Boost, Buck

2.7 V to 40 V

1 A

1 Output

50 uA

1.2 MHz

- 40 C

+ 125 C

LTC3114-1

Tube

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

LTC3115EDHD-2#PBF
Analog Devices
1: $22.24
303In 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

303In Stock

$22.24

$17.63

$15.45

$14.92

View

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

LTC3115EFE-2#PBF
Analog Devices
1: $22.93
164In 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

164In Stock

$22.93

$18.20

$15.98

$14.33

Quote

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

LTC3115HFE-1#PBF
Analog Devices
1: $25.95
508In 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

508In Stock

$25.95

$20.66

$18.16

$17.56

View

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

LTC3115MPFE-1#PBF
Analog Devices
1: $61.01
59In 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

59In Stock

$61.01

$50.66

$45.32

$44.05

$43.03

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

LTC3122EDE#PBF
Analog Devices
1: $10.57
1,107In Stock

Mfr. Part No.
LTC3122EDE#PBF

Mouser Part No
584-LTC3122EDE#PBF

Analog Devices

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

Learn More

Datasheet

1,107In Stock

$10.57

$8.17

$6.95

$6.92

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

LTC3122EMSE#PBF
Analog Devices
1: $10.57
670In 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

670In Stock

$10.57

$8.17

$7.36

$6.85

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

LTC3122EMSE#TRPBF
Analog Devices
1: $10.57
1,602In Stock
2,500On Order

Mfr. Part No.
LTC3122EMSE#TRPBF

Mouser Part No
584-LTC3122EMSETRPBF

Analog Devices

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

Learn More

Datasheet

1,602In Stock

2,500On Order

Cut Tape

$10.57

$8.17

$7.48

$6.91

View

Reel

$5.92

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

Reel, Cut Tape, MouseReel

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

LTC3124EDHC#TRPBF
Analog Devices
1: $14.27
1,571In 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

1,571In Stock

Cut Tape

$14.27

$11.14

$10.36

$9.51

View

Reel

$8.21

MouseReel Available

Min.: 1
Mult.: 1

: 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

LTC3124EFE#PBF
Analog Devices
1: $14.57
782In Stock
1,140On Order

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

782In Stock

1,140On Order

$14.57

$11.37

$10.36

$9.38

View

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 1.2A Sync Boost DC/DC Conv w/ In C Lim

LTC3125EDCB#TRPBF
Analog Devices
1: $10.24
1,905In Stock

Mfr. Part No.
LTC3125EDCB#TRPBF

Mouser Part No
584-LTC3125EDCBTRPBF

Analog Devices

Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim

Learn More

Datasheet

1,905In Stock

Cut Tape

$10.24

$7.92

$7.33

$6.69

View

Reel

$5.78

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

SMD/SMT

DFN-8

Boost

2 V to 5.25 V

1 A

1 Output

15 uA

1.6 MHz

- 40 C

+ 125 C

LTC3125

Reel, Cut Tape, MouseReel

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

LTC3127EDD#TRPBF
Analog Devices
1: $13.03
1,895In Stock

Mfr. Part No.
LTC3127EDD#TRPBF

Mouser Part No
584-LTC3127EDD#TRPBF

Analog Devices

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

Learn More

Datasheet

1,895In Stock

Cut Tape

$13.03

$10.15

$9.42

$8.62

View

Reel

$7.62

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

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

Reel, Cut Tape, MouseReel

LTC31xx Synchronous Buck-Boost DC-DC Converters

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