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 (CAD) 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 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
1,625In Stock
1,815Expected 2026-11-10
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
254In Stock
726Expected 2027-03-01
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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current
Datasheet
1,206In 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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current
Datasheet
1,393In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-20 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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current
Datasheet
981In Stock
1,274On Order
Min.: 1
Mult.: 1

SMD/SMT QFN-20 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, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
40In Stock
2,500Expected 2026-08-20
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
19In Stock
2,500Expected 2026-12-10
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
51In Stock
Min.: 1
Mult.: 1
Max.: 51

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 15V, 1.5A Sync Buck-Boost DC/DC Conv
Datasheet
9In Stock
910On Order
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
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv
Datasheet
21In Stock
7,500Expected 2026-09-30
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT DFN-14 Boost, Buck 2.5 V to 15 V 1.4 A 1 Output 55 uA 800 kHz - 40 C + 125 C LTC3111 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv
Datasheet
53In Stock
296Expected 2027-04-21
Min.: 1
Mult.: 1

SMD/SMT MSOP-16 Buck-Boost 2.5 V to 15 V 1.4 A 1 Output 55 uA 800 kHz - 40 C + 125 C LTC3111 Tube
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv
Datasheet
33In Stock
Min.: 1
Mult.: 1

SMD/SMT MSOP-16 Buck-Boost 2.5 V to 15 V 1.4 A 1 Output 55 uA 800 kHz - 40 C + 125 C LTC3111 Tube
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv
Datasheet
104In 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 + 150 C LTC3112 Tube
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv
Datasheet
23In 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 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 - 40 C + 150 C LTC3114-1 Tube
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
40In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-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
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 - 40 C + 150 C LTC3115-2 Tube
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
29In Stock
2,500Expected 2026-10-23
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
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
43In 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 + 150 C LTC3122 Tube
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
41In Stock
182Expected 2026-10-15
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, 5A 2-PhSync Boost DC/DC Conv w/ Out
Datasheet
71In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-16 Boost 2.5 V to 15 V 5 A 1 Output 25 uA 1 MHz - 40 C + 125 C LTC3124 Tube
Analog Devices Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out
Datasheet
58In Stock
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
Analog Devices Switching Voltage Regulators 3A Mono Buck-Boost Supercap Chr & Balanc
Datasheet
22In Stock
Min.: 1
Mult.: 1

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 Tube
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
14In 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
139In Stock
2,500Expected 2026-11-10
MouseReel Available
Min.: 1
Mult.: 1
: 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, Cut Tape, MouseReel