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

LTC3112IDHD#TRPBF
Analog Devices
1: Rp281.428
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3112IDHD#TRPBF

Mouser Part No
584-LTC3112IDHDTRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Cut Tape

Rp281.428

Rp220.335

Rp205.108

Rp188.413

View

Reel

Rp162.546

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

LTC3112IFE#TRPBF
Analog Devices
2.500: Rp168.600
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3112IFE#TRPBF

Mouser Part No
584-LTC3112IFE#TRPBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Reel

Rp168.600

Min.: 2.500
Mult.: 2.500

: 2.500

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

Reel

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

LTC3112MPDHD#PBF
Analog Devices
1: Rp683.022
Non-Stocked Lead-Time 14 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 14 Weeks

Rp683.022

Rp552.948

Rp520.476

Rp499.011

Rp467.640

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

- 55 C

+ 150 C

LTC3112

Tube

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

LTC3112MPFE#PBF
Analog Devices
1: Rp708.706
Non-Stocked Lead-Time 14 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 14 Weeks

Rp708.706

Rp573.863

Rp540.106

Rp517.724

Rp485.252

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

- 55 C

+ 150 C

LTC3112

Tube

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

LTC3112MPFE#TRPBF
Analog Devices
2.500: Rp485.252
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp485.252

Min.: 2.500
Mult.: 2.500

: 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: Rp292.068
Lead-Time 14 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

Lead-Time 14 Weeks

Rp292.068

Rp228.591

Rp212.814

Rp195.385

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

1 MHz

- 40 C

+ 125 C

LTC3113

Tube

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

LTC3121IDE#TRPBF
Analog Devices
1: Rp179.240
Lead-Time 14 Weeks

Mfr. Part No.
LTC3121IDE#TRPBF

Mouser Part No
584-LTC3121IDE#TRPBF

Analog Devices

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

Learn More

Datasheet

Lead-Time 14 Weeks

Cut Tape

Rp179.240

Rp139.430

Rp129.523

Rp118.515

View

Reel

Rp101.637

MouseReel Available

Min.: 1
Mult.: 1

: 2.500

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

Reel, Cut Tape, MouseReel

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

LTC3122HMSE#TRPBF
Analog Devices
2.500: Rp111.544
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp111.544

Min.: 2.500
Mult.: 2.500

: 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
1: Rp179.240
Non-Stocked Lead-Time 15 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 15 Weeks

Cut Tape

Rp179.240

Rp139.430

Rp129.523

Rp118.515

View

Reel

Rp101.637

MouseReel Available

Min.: 1
Mult.: 1

: 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, Cut Tape, MouseReel

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

LTC3122IMSE#TRPBF
Analog Devices
2.500: Rp115.396
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp115.396

Min.: 2.500
Mult.: 2.500

: 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: Rp171.352
Non-Stocked Lead-Time 14 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 14 Weeks

Rp171.352

Rp169.701

Rp159.794

Rp156.124

Quote

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: Rp147.869
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp147.869

Min.: 2.500
Mult.: 2.500

: 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: Rp138.512
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp138.512

Min.: 2.500
Mult.: 2.500

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

LTC3124IFE#TRPBF
Analog Devices
2.500: Rp138.512
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp138.512

Min.: 2.500
Mult.: 2.500

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

LTC3127EMSE#TRPBF
Analog Devices
2.500: Rp112.461
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp112.461

Min.: 2.500
Mult.: 2.500

: 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: Rp164.564
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp164.564

Min.: 2.500
Mult.: 2.500

: 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#PBF
Analog Devices
1: Rp253.175
Non-Stocked Lead-Time 14 Weeks

Mfr. Part No.
LTC3128EUFD#PBF

Mouser Part No
584-LTC3128EUFD#PBF

Analog Devices

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

Learn More

Datasheet

Non-Stocked Lead-Time 14 Weeks

Rp253.175

Rp198.137

Rp184.377

Rp169.334

View

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 3A Mono Buck-Boost Supercap Chr & Balanc

LTC3128EUFD#TRPBF
Analog Devices
2.500: Rp146.218
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp146.218

Min.: 2.500
Mult.: 2.500

: 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: Rp178.874
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp178.874

Min.: 2.500
Mult.: 2.500

: 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: Rp156.858
Non-Stocked Lead-Time 15 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 15 Weeks

Reel

Rp156.858

Min.: 2.500
Mult.: 2.500

: 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: Rp109.709
Non-Stocked Lead-Time 22 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 22 Weeks

Reel

Rp109.709

Min.: 2.500
Mult.: 2.500

: 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: Rp136.127
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp136.127

Min.: 2.500
Mult.: 2.500

: 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: Rp121.084
Non-Stocked Lead-Time 23 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 23 Weeks

Reel

Rp121.084

Min.: 2.500
Mult.: 2.500

: 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

LTC3130EMSE#TRPBF
Analog Devices
2.500: Rp124.202
Non-Stocked Lead-Time 43 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 43 Weeks

Reel

Rp124.202

Min.: 2.500
Mult.: 2.500

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

LTC3130IMSE#TRPBF
Analog Devices
2.500: Rp136.861
Non-Stocked Lead-Time 14 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 14 Weeks

Reel

Rp136.861

Min.: 2.500
Mult.: 2.500

: 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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