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 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
1 559In 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 LTC3115-1 Tube
Analog Devices Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current
Datasheet
7 795In Stock
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
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
1 854In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-16 Boost, Buck 2.7 V to 40 V 2 A 1 Output 50 uA 1 MHz - 40 C + 125 C LTC3115-1 Tube
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
8 145In 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 LTC3115-1 Tube
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
3 130In Stock
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
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
1 369In Stock
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
Analog Devices Switching Voltage Regulators 3A Mono Buck-Boost Supercap Chr & Balanc
Datasheet
573In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-EP-24 Boost, Buck 1.8 V to 5.5 V 3 A 1 Output 14 uA 1.2 MHz - 40 C + 125 C LTC3128 Tube
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
291In Stock
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 1A Buck-Boost DC/DC Conv w/ Progmable In
Datasheet
444In Stock
Min.: 1
Mult.: 1

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 Tube
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
339In Stock
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
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
245In 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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
1 053In 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 3A L N Buck-Boost DC/DC Conv
Datasheet
169In 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 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
93In 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 - 40 C + 125 C LTC3115-2 Tube
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
36In 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 LTC3115-2 Tube
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
2 981In Stock
10 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 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
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
8 325In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv
Datasheet
3 548In 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
7 355In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
1 891In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-16 Boost, Buck 2.7 V to 40 V 2 A 1 Output 50 uA 1 MHz - 40 C + 125 C LTC3115-1 Tube
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
705In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
365In Stock
2 500Expected 12/31/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

SMD/SMT TSSOP-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
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
74In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-16 Boost, Buck 2.7 V to 40 V 1 A 1 Output 30 uA 1.2 MHz - 55 C + 150 C LTC3114-1 Tube
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
1 112In Stock
5 000Expected 11/18/2026
MouseReel Available
Min.: 1
Mult.: 1
: 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 LTC3115-1 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim
Datasheet
1 186In Stock
1 500Expected 7/31/2026
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