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

LTC3112MPDHD#PBF
Analog Devices
73: $34.47
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3112MPDHD#PBF

Mouser Part No
584-LTC3112MPDHD#PBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$34.47

Min.: 73
Mult.: 73

SMD/SMT

DFN-16

Boost, Buck

2.5 V to 14 V

2.5 A

1 Output

50 uA

750 kHz

- 55 C

+ 150 C

LTC3112

Tube

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

LTC3112MPFE#PBF
Analog Devices
74: $35.78
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3112MPFE#PBF

Mouser Part No
584-LTC3112MPFE#PBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$35.78

Min.: 74
Mult.: 74

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.5 V to 14 V

2.5 A

1 Output

50 uA

750 kHz

- 55 C

+ 150 C

LTC3112

Tube

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

LTC3112MPFE#TRPBF
Analog Devices
2,500: $35.78
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3112MPFE#TRPBF

Mouser Part No
584-LTC3112MPFETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$35.78

Min.: 2,500
Mult.: 2,500

Reel: 2,500

SMD/SMT

TSSOP-EP-20

Boost, Buck

2.5 V to 14 V

2.5 A

1 Output

50 uA

750 kHz

- 55 C

+ 150 C

LTC3112

Reel

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

LTC3113IFE#PBF
Analog Devices
1: $21.63
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3113IFE#PBF

Mouser Part No
584-LTC3113IFE#PBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$21.63

$16.97

$16.28

$14.34

$13.64

Min.: 1
Mult.: 1

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

Tube

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

LTC3122HMSE#TRPBF
Analog Devices
2,500: $9.80
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3122HMSE#TRPBF

Mouser Part No
584-LTC3122HMSETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$9.80

Min.: 2,500
Mult.: 2,500

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

+ 150 C

LTC3122

Reel

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

LTC3122IDE#TRPBF
Analog Devices
2,500: $8.99
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3122IDE#TRPBF

Mouser Part No
584-LTC3122IDE#TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$8.99

Min.: 2,500
Mult.: 2,500

Reel: 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

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

LTC3122IMSE#TRPBF
Analog Devices
2,500: $10.16
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3122IMSE#TRPBF

Mouser Part No
584-LTC3122IMSETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$10.16

Min.: 2,500
Mult.: 2,500

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

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

LTC3124HFE#PBF
Analog Devices
95: $12.58
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3124HFE#PBF

Mouser Part No
584-LTC3124HFE#PBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

$12.58

$11.95

Min.: 95
Mult.: 95

SMD/SMT

TSSOP-16

Boost

2.5 V to 15 V

5 A

1 Output

25 uA

1 MHz

- 40 C

+ 150 C

LTC3124

Tube

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

LTC3124HFE#TRPBF
Analog Devices
2,500: $11.95
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3124HFE#TRPBF

Mouser Part No
584-LTC3124HFE#TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$11.95

Min.: 2,500
Mult.: 2,500

Reel: 2,500

SMD/SMT

TSSOP-16

Boost

2.5 V to 15 V

5 A

1 Output

25 uA

1 MHz

- 40 C

+ 150 C

LTC3124

Reel

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

LTC3124IDHC#TRPBF
Analog Devices
2,500: $11.20
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3124IDHC#TRPBF

Mouser Part No
584-LTC3124IDHCTRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$11.20

Min.: 2,500
Mult.: 2,500

Reel: 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

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

LTC3127EMSE#TRPBF
Analog Devices
2,500: $9.90
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3127EMSE#TRPBF

Mouser Part No
584-LTC3127EMSETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$9.90

Min.: 2,500
Mult.: 2,500

Reel: 2,500

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

Reel

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

LTC3128EFE#TRPBF
Analog Devices
2,500: $13.29
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3128EFE#TRPBF

Mouser Part No
584-LTC3128EFE#TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$13.29

Min.: 2,500
Mult.: 2,500

Reel: 2,500

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

Reel

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

LTC3128EUFD#TRPBF
Analog Devices
2,500: $11.82
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3128EUFD#TRPBF

Mouser Part No
584-LTC3128EUFDTRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$11.82

Min.: 2,500
Mult.: 2,500

Reel: 2,500

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

Reel

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

LTC3128IFE#TRPBF
Analog Devices
2,500: $14.47
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3128IFE#TRPBF

Mouser Part No
584-LTC3128IFE#TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$14.47

Min.: 2,500
Mult.: 2,500

Reel: 2,500

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

Reel

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

LTC3128IUFD#TRPBF
Analog Devices
2,500: $12.68
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3128IUFD#TRPBF

Mouser Part No
584-LTC3128IUFDTRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$12.68

Min.: 2,500
Mult.: 2,500

Reel: 2,500

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

Reel

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

LTC3129EMSE#TRPBF
Analog Devices
2,500: $9.70
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3129EMSE#TRPBF

Mouser Part No
584-LTC3129EMSETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$9.70

Min.: 2,500
Mult.: 2,500

Reel: 2,500

SMD/SMT

MSOP-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

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

LTC3129IMSE#TRPBF
Analog Devices
2,500: $11.01
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3129IMSE#TRPBF

Mouser Part No
584-LTC3129IMSETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$11.01

Min.: 2,500
Mult.: 2,500

Reel: 2,500

SMD/SMT

MSOP-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

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

LTC3129IUD#TRPBF
Analog Devices
2,500: $10.66
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3129IUD#TRPBF

Mouser Part No
584-LTC3129IUD#TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$10.66

Min.: 2,500
Mult.: 2,500

Reel: 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

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

LTC3130IMSE#TRPBF
Analog Devices
2,500: $11.06
Non-Stocked Lead-Time 10 Weeks

Mfr. Part No.
LTC3130IMSE#TRPBF

Mouser Part No
584-LTC3130IMSETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Reel

$11.06

Min.: 2,500
Mult.: 2,500

Reel: 2,500

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

Reel

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

LTC3111MPMSE#TRPBF
Analog Devices
2,500: $31.07
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
LTC3111MPMSE#TRPBF

Mouser Part No
584-C3111MPMSETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

Reel

$31.07

Min.: 2,500
Mult.: 2,500

Reel: 2,500

SMD/SMT

MSOP-16

Boost, Buck

2.5 V to 15 V

1.4 A

1 Output

55 uA

800 kHz

- 55 C

+ 150 C

LTC3111

Reel

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

LTC3115EFE-2#TRPBF
Analog Devices
2,500: $17.36
Non-Stocked Lead-Time 25 Weeks

Mfr. Part No.
LTC3115EFE-2#TRPBF

Mouser Part No
584-C3115EFE-2TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 25 Weeks

Reel

$17.36

Min.: 2,500
Mult.: 2,500

Reel: 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

LTC3115-2

Reel

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

LTC3130EMSE-1#TRPBF
Analog Devices
2,500: $10.99
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
LTC3130EMSE-1#TRPBF

Mouser Part No
584-C3130EMSE-1TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

Reel

$10.99

Min.: 2,500
Mult.: 2,500

Reel: 2,500

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

Reel

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

LTC3111MPMSE#PBF
Analog Devices
37: $34.74
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
LTC3111MPMSE#PBF

Mouser Part No
584-LTC3111MPMSE#PBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

$34.74

$31.07

Min.: 37
Mult.: 37

SMD/SMT

MSOP-16

Buck-Boost

2.5 V to 15 V

1.4 A

1 Output

55 uA

800 kHz

- 55 C

+ 150 C

LTC3111

Tube

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

LTC3124IFE#TRPBF
Analog Devices
2,500: $11.20
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
LTC3124IFE#TRPBF

Mouser Part No
584-LTC3124IFE#TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

Reel

$11.20

Min.: 2,500
Mult.: 2,500

Reel: 2,500

SMD/SMT

TSSOP-16

Boost

2.5 V to 15 V

5 A

1 Output

25 uA

1 MHz

- 40 C

+ 125 C

LTC3124

Reel

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

LTC3130EMSE#TRPBF
Analog Devices
2,500: $10.99
Non-Stocked Lead-Time 13 Weeks

Mfr. Part No.
LTC3130EMSE#TRPBF

Mouser Part No
584-LTC3130EMSETRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 13 Weeks

Reel

$10.99

Min.: 2,500
Mult.: 2,500

Reel: 2,500

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

Reel

LTC31xx Synchronous Buck-Boost DC-DC Converters

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