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
139In Stock
2.500Expected 11/10/2026
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
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
19In 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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current
Datasheet
87In Stock
7.500On Order
MouseReel Available
Min.: 1
Mult.: 1
Max.: 2.500
: 2.500

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 Reel, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current
Datasheet
90In 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
28In Stock
182Expected 9/12/2026
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 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out
Datasheet
27In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 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, Cut Tape, MouseReel
Analog Devices Switching Voltage Regulators 3A L N Buck-Boost DC/DC Conv
Datasheet
2.500Expected 2/11/2027
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 15V, 1.5A Sync Boost DC/DC Conv w/ Out D
Datasheet
4.660Expected 9/3/2026
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
Analog Devices Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current
Datasheet
4.090Expected 9/7/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-20 Boost, Buck 1 V to 25 V 600 mA 1 Output 500 nA 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
1.134Expected 12/8/2026
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 - 40 C + 125 C LTC3114-1 Tube
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
116Expected 9/7/2026
Min.: 1
Mult.: 1

SMD/SMT DFN-16 Boost, Buck 2.7 V to 40 V 2 A 1 Output 30 uA 1 MHz - 40 C + 125 C LTC3115-2 Tube
Analog Devices Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/
Datasheet
407On Order
Min.: 1
Mult.: 1

SMD/SMT MSOP-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 3A L N Buck-Boost DC/DC Conv
Datasheet
146Expected 2/12/2027
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 Mono Buck-Boost Supercap Chr & Balanc
Datasheet
146Expected 9/3/2026
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
Analog Devices Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

SMD/SMT MSOP-16 Boost, Buck 2.5 V to 15 V 1.4 A 1 Output 55 uA 800 kHz - 55 C + 150 C LTC3111 Reel
Analog Devices Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv
Datasheet
Non-Stocked Lead-Time 14 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

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 Reel
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 2.500
Mult.: 2.500
: 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 + 150 C LTC3114-1 Reel
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 2.500
Mult.: 2.500
: 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 + 150 C LTC3114-1 Reel
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

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 Reel
Analog Devices Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 2.500
Mult.: 2.500
: 2.500

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 Reel
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 2.500
Mult.: 2.500
: 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 LTC3115-2 Reel
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
Non-Stocked Lead-Time 30 Weeks
Min.: 2.500
Mult.: 2.500
: 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 LTC3115-2 Reel
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
Non-Stocked Lead-Time 24 Weeks
Min.: 2.500
Mult.: 2.500
: 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 + 150 C LTC3115-1 Reel
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 2.500
Mult.: 2.500
: 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 + 150 C LTC3115-2 Reel
Analog Devices Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 2.500
Mult.: 2.500
: 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 LTC3115-2 Reel