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 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
1.787In Stock
1.936Expected 10/22/2026
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
669In 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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current
Datasheet
550In Stock
6.993On Order
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
1.206In 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
1.072In 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 8/28/2026
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 12/10/2026
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
54In 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 15V, 1.5A Sync Buck-Boost DC/DC Conv
Datasheet
14In Stock
910Expected 5/5/2027
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 9/24/2026
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
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
124In 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, 1.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
236In Stock
1.183Expected 9/9/2026
Min.: 1
Mult.: 1

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 Tube
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
29In Stock
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
50In Stock
273Expected 9/16/2026
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
219In Stock
Min.: 1
Mult.: 1

SMD/SMT DFN-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 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 1A Buck-Boost DC/DC Conv w/ Progmable In
Datasheet
57In Stock
605Expected 8/31/2026
Min.: 1
Mult.: 1

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 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