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 VIN and VOUT ranges and a 1.2MHz PWM architecture that minimizes the solution footprint. 

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Mounting Style
Package/Case
Topology
Output Voltage
Output Current
Number of Outputs
Quiescent Current
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Analog Devices Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim
Datasheet
1.186In Stock
3.500On Order
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
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
1.266In Stock
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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv
Datasheet
348In Stock
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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv
Datasheet
456In Stock
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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv
Datasheet
1.109In Stock
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
Analog Devices Switching Voltage Regulators 3A L N Buck-Boost DC/DC Conv
Datasheet
479In Stock
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
Analog Devices Switching Voltage Regulators 3A L N Buck-Boost DC/DC Conv
Datasheet
277In Stock
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
Analog Devices Switching Voltage Regulators 3A L N Buck-Boost DC/DC Conv
Datasheet
1.181In Stock
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
Analog Devices Switching Voltage Regulators 3A L N Buck-Boost DC/DC Conv
Datasheet
808In Stock
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
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
514In Stock
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
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
1.553In Stock
1.710Expected 12/10/2026
Min.: 1
Mult.: 1
Max.: 380

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
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
234In Stock
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
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
303In Stock
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
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
164In Stock
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
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
555In Stock
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
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
59In Stock
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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
1.107In Stock
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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
670In Stock
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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
1.602In Stock
2.500On Order
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
Analog Devices Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out
Datasheet
714In Stock
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
Analog Devices Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out
Datasheet
662In Stock
1.140On Order
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
Analog Devices Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim
Datasheet
1.905In Stock
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
Analog Devices Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In
Datasheet
1.895In Stock
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
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
1.545In Stock
1.936Expected 9/30/2026
Min.: 1
Mult.: 1

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 Tube
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
369In Stock
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