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

LTC3127EDD#TRPBF
Analog Devices
1: $17.61
2,844In Stock

Mfr. Part #
LTC3127EDD#TRPBF

Mouser Part #
584-LTC3127EDD#TRPBF

Analog Devices

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

Learn More

Datasheet

2,844In Stock

Cut Tape

$17.61

$13.69

$13.05

$11.33

$10.82

Reel

$10.82

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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

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

LTC3115EFE-1#PBF
Analog Devices
1: $28.37
9,868In 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

9,868In Stock

$28.37

$22.92

$21.98

$19.36

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 3A L N Buck-Boost DC/DC Conv

LTC3113EDHD#TRPBF
Analog Devices
1: $21.59
10,653In 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

10,653In Stock

Cut Tape

$21.59

$16.40

$15.72

$13.84

$13.18

Reel

$13.18

MouseReel Available

Min.: 1
Mult.: 1

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

LTC3114EFE-1#PBF
Analog Devices
1: $21.59
5,265In Stock

Mfr. Part #
LTC3114EFE-1#PBF

Mouser Part #
584-LTC3114EFE-1#PBF

Analog Devices

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

Learn More

Datasheet

5,265In Stock

$21.59

$16.40

$15.72

$13.84

$13.18

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

+ 125 C

LTC3114-1

Tube

Switching Voltage Regulators 15V, 1.5A Sync Boost DC/DC Conv w/ Out D

LTC3121EDE#PBF
Analog Devices
1: $14.79
7,305In Stock

Mfr. Part #
LTC3121EDE#PBF

Mouser Part #
584-LTC3121EDE#PBF

Analog Devices

Switching Voltage Regulators 15V, 1.5A Sync Boost DC/DC Conv w/ Out D

Learn More

Datasheet

7,305In Stock

$14.79

$11.08

$10.57

$9.18

View

Min.: 1
Mult.: 1

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

Tube

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

LTC3127EDD#PBF
Analog Devices
1: $17.61
3,052In Stock

Mfr. Part #
LTC3127EDD#PBF

Mouser Part #
584-LTC3127EDD#PBF

Analog Devices

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

Learn More

Datasheet

3,052In Stock

$17.61

$13.69

$13.05

$11.33

$10.82

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

LTC3129IMSE#PBF
Analog Devices
1: $20.12
3,585In 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

3,585In Stock

$20.12

$15.28

$14.65

$12.90

$12.28

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

LTC3130IMSE#PBF
Analog Devices
1: $20.23
8,636In 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

8,636In Stock

$20.23

$15.38

$14.74

$12.97

$12.34

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

LTC3115IDHD-1#TRPBF
Analog Devices
1: $29.39
8,679In 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

8,679In Stock

Cut Tape

$29.39

$24.34

$23.33

$20.55

Reel

$20.55

MouseReel Available

Min.: 1
Mult.: 1

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

LTC3115-1

Reel, Cut Tape, MouseReel

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

LTC3113IDHD#PBF
Analog Devices
1: $23.73
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

$23.73

$18.03

$17.28

$15.22

$14.48

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

LTC3122EDE#PBF
Analog Devices
1: $14.79
1,510In Stock

Mfr. Part #
LTC3122EDE#PBF

Mouser Part #
584-LTC3122EDE#PBF

Analog Devices

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

Learn More

Datasheet

1,510In Stock

$14.79

$11.08

$10.57

$9.18

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 3A L N Buck-Boost DC/DC Conv

LTC3113IFE#TRPBF
Analog Devices
1: $24.12
1,824In Stock

Mfr. Part #
LTC3113IFE#TRPBF

Mouser Part #
584-LTC3113IFE#TRPBF

Analog Devices

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

Learn More

Datasheet

1,824In Stock

Cut Tape

$24.12

$18.93

$18.15

$16.00

$15.21

Reel

$15.21

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 Mono Buck-Boost Supercap Chr & Balanc

LTC3128IUFD#PBF
Analog Devices
1: $23.17
360In Stock

Mfr. Part #
LTC3128IUFD#PBF

Mouser Part #
584-LTC3128IUFD#PBF

Analog Devices

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

Learn More

Datasheet

360In Stock

$23.17

$17.61

$16.88

$14.86

$14.14

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

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/

LTC3129EUD-1#PBF
Analog Devices
1: $17.61
2,150In Stock

Mfr. Part #
LTC3129EUD-1#PBF

Mouser Part #
584-LTC3129EUD-1#PBF

Analog Devices

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

Learn More

Datasheet

2,150In Stock

$17.61

$13.69

$13.05

$11.33

$10.82

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#TRPBF
Analog Devices
1: $23.73
3,160In Stock

Mfr. Part #
LTC3113IDHD#TRPBF

Mouser Part #
584-LTC3113IDHDTRPBF

Analog Devices

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

Learn More

Datasheet

3,160In Stock

Cut Tape

$23.73

$18.03

$17.28

$15.22

$14.48

Reel

$14.48

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 15V, 2.5A Sync Boost DC/DC Conv w/ Out D

LTC3122EMSE#TRPBF
Analog Devices
1: $14.79
3,031In Stock

Mfr. Part #
LTC3122EMSE#TRPBF

Mouser Part #
584-LTC3122EMSETRPBF

Analog Devices

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

Learn More

Datasheet

3,031In Stock

Cut Tape

$14.79

$11.08

$10.57

$9.18

View

Reel

$7.98

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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: $18.43
1,057In 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

1,057In Stock

$18.43

$14.32

$13.66

$11.86

$11.33

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

LTC3114HFE-1#PBF
Analog Devices
1: $24.27
1,405In 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

1,405In Stock

$24.27

$19.05

$18.26

$16.09

$15.30

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

LTC3129IMSE-1#PBF
Analog Devices
1: $19.33
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

$19.33

$15.04

$14.34

$12.45

$11.89

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, 2A Sync Buck-Boost DC/DC Conv

LTC3115HFE-2#PBF
Analog Devices
1: $31.65
74In Stock

Mfr. Part #
LTC3115HFE-2#PBF

Mouser Part #
584-LTC3115HFE-2#PBF

Analog Devices

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

Learn More

Datasheet

74In Stock

$31.65

$26.21

$25.13

$22.13

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

+ 150 C

LTC3115-2

Tube

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

LTC3128EUFD#PBF
Analog Devices
1: $21.59
124In Stock

Mfr. Part #
LTC3128EUFD#PBF

Mouser Part #
584-LTC3128EUFD#PBF

Analog Devices

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

Learn More

Datasheet

124In Stock

$21.59

$16.40

$15.72

$13.84

$13.18

Min.: 1
Mult.: 1

SMD/SMT

QFN-20

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, 1.5A Sync Buck-Boost DC/DC Conv

LTC3111IDE#PBF
Analog Devices
1: $21.03
170In Stock

Mfr. Part #
LTC3111IDE#PBF

Mouser Part #
584-LTC3111IDE#PBF

Analog Devices

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

Learn More

Datasheet

170In Stock

$21.03

$15.97

$15.31

$13.49

View

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

LTC3125EDCB#TRPBF
Analog Devices
1: $14.28
2,385In Stock

Mfr. Part #
LTC3125EDCB#TRPBF

Mouser Part #
584-LTC3125EDCBTRPBF

Analog Devices

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

Learn More

Datasheet

2,385In Stock

Cut Tape

$14.28

$10.70

$10.20

$8.87

View

Reel

$7.72

MouseReel Available

Min.: 1
Mult.: 1

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

LTC3124IFE#PBF
Analog Devices
1: $20.48
128In Stock

Mfr. Part #
LTC3124IFE#PBF

Mouser Part #
584-LTC3124IFE#PBF

Analog Devices

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

Learn More

Datasheet

128In Stock

$20.48

$15.55

$14.91

$13.13

$12.49

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

LTC3114EDHC-1#TRPBF
Analog Devices
1: $21.59
2,500In Stock

Mfr. Part #
LTC3114EDHC-1#TRPBF

Mouser Part #
584-C3114EDHC-1TRPBF

Analog Devices

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

Learn More

Datasheet

2,500In Stock

Cut Tape

$21.59

$16.40

$15.72

$13.84

$13.18

Reel

$13.18

MouseReel Available

Min.: 1
Mult.: 1

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

+ 125 C

LTC3114-1

Reel, Cut Tape, MouseReel

LTC31xx Synchronous Buck-Boost DC-DC Converters

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