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

LTC3125EDCB#TRMPBF
Analog Devices
1: $7.53
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

$7.53

$5.82

$5.39

$4.92

Reel

$4.55

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: $9.58
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

$9.58

$7.46

$6.93

$6.34

View

Reel

$5.37

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: $11.46
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

$11.46

$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, 2.5A Sync Buck-Boost DC/DC Conv

LTC3112EDHD#TRPBF
Analog Devices
1: $12.59
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

$12.59

$9.89

$9.22

$8.47

View

Reel

$7.54

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: $12.98
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

$12.98

$10.21

$8.90

$8.58

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: $13.71
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

$13.71

$10.80

$9.43

$9.09

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: $12.44
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

$12.44

$9.77

$8.51

$8.20

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: $12.98
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

$12.98

$10.21

$8.90

$8.58

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: $12.98
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

$12.98

$10.21

$9.52

$8.93

View

Reel

$7.60

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: $14.18
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

$14.18

$11.18

$10.43

$9.60

View

Reel

$8.35

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: $12.44
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

$12.44

$9.77

$8.51

$8.20

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: $12.44
1,808In Stock
1,710Expected 01/01/2027

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 01/01/2027

$12.44

$9.77

$9.14

$8.39

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: $13.56
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

$13.56

$10.68

$9.32

$8.99

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: $16.35
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

$16.35

$12.96

$11.36

$10.97

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: $16.86
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

$16.86

$13.38

$11.75

$10.54

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: $19.08
507In 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

507In 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

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: $44.86
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

$44.86

$37.25

$33.32

$32.39

$31.64

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: $7.77
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

$7.77

$6.01

$5.11

$5.09

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: $7.77
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

$7.77

$6.01

$5.41

$5.04

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: $7.77
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

$7.77

$6.01

$5.50

$5.08

View

Reel

$4.35

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

LTC3122IMSE#PBF
Analog Devices
1: $9.97
498In Stock

Mfr. Part No.
LTC3122IMSE#PBF

Mouser Part No
584-LTC3122IMSE#PBF

Analog Devices

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

Learn More

Datasheet

498In Stock

$9.97

$7.77

$7.03

$6.15

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#TRPBF
Analog Devices
1: $10.49
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

$10.49

$8.19

$7.62

$6.99

View

Reel

$6.04

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: $10.71
615In 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

615In Stock

1,140On Order

$10.71

$8.36

$7.62

$6.90

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: $7.53
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

$7.53

$5.82

$5.39

$4.92

View

Reel

$4.25

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: $9.58
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

$9.58

$7.46

$6.93

$6.34

View

Reel

$5.60

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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