Voltage Regulators - Switching Regulators

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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 V_IN and V_OUT ranges and a 1.2MHz PWM architecture that minimizes the solution footprint.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out LTC3124EFE#TRPBF Analog Devices 1: $11.54 27In Stock	Mfr. Part No. LTC3124EFE#TRPBF Mouser Part No 584-LTC3124EFE#TRPBF	Analog Devices	Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out Learn More about Analog Devices adi ltc31xx converters	Datasheet	27In Stock	Cut Tape $11.54 $9.01 $8.38 $7.68 $7.35 $6.42 MouseReel Available	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	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In LTC3127EDD#PBF Analog Devices 1: $10.11 1,058In Stock	Mfr. Part No. LTC3127EDD#PBF Mouser Part No 584-LTC3127EDD#PBF	Analog Devices	Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In Learn More about Analog Devices adi ltc31xx converters	Datasheet	1,058In Stock	$10.11 $7.86 $7.30 $6.66 View $6.31 $6.18	Min.: 1 Mult.: 1 Max.: 846	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
Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In LTC3127EDD#TRPBF Analog Devices 1: $10.45 1,755In Stock	Mfr. Part No. LTC3127EDD#TRPBF Mouser Part No 584-LTC3127EDD#TRPBF	Analog Devices	Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In Learn More about Analog Devices adi ltc31xx converters	Datasheet	1,755In Stock	Cut Tape $10.45 $8.16 $7.59 $6.96 View $6.63 $6.49 $6.34 $6.34 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,404	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
Switching Voltage Regulators 3A Mono Buck-Boost Supercap Chr & Balanc LTC3128EFE#PBF Analog Devices 1: $15.54 22In Stock	Mfr. Part No. LTC3128EFE#PBF Mouser Part No 584-LTC3128EFE#PBF	Analog Devices	Switching Voltage Regulators 3A Mono Buck-Boost Supercap Chr & Balanc Learn More about Analog Devices adi ltc31xx converters	Datasheet	22In Stock	$15.54 $12.17 $11.33 $10.39 View $10.29 $9.69 $9.47 Quote	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
Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130EMSE-1#PBF Analog Devices 1: $11.73 706In Stock	Mfr. Part No. LTC3130EMSE-1#PBF Mouser Part No 584-LTC3130EMSE-1PBF	Analog Devices	Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current Learn More about Analog Devices adi ltc31xx converters	Datasheet	706In Stock	$11.73 $9.18 $8.55 $7.84 View $7.77 $7.31	Min.: 1 Mult.: 1 Max.: 564	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
Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130EUDC#PBF Analog Devices 1: $11.29 822In Stock	Mfr. Part No. LTC3130EUDC#PBF Mouser Part No 584-LTC3130EUDC#PBF	Analog Devices	Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current Learn More about Analog Devices adi ltc31xx converters	Datasheet	822In Stock	$11.29 $8.83 $7.57 $7.30 View $7.15 $6.98	Min.: 1 Mult.: 1 Max.: 657	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
Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130IUDC#PBF Analog Devices 1: $12.74 981In Stock 1,274On Order	Mfr. Part No. LTC3130IUDC#PBF Mouser Part No 584-LTC3130IUDC#PBF	Analog Devices	Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current Learn More about Analog Devices adi ltc31xx converters	Datasheet	981In Stock 1,274On Order	$12.74 $9.98 $9.07 $8.28 View $8.19 $7.76	Min.: 1 Mult.: 1 Max.: 784	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
Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130IUDC-1#PBF Analog Devices 1: $12.93 160In Stock	Mfr. Part No. LTC3130IUDC-1#PBF Mouser Part No 584-LTC3130IUDC-1PBF	Analog Devices	Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current Learn More about Analog Devices adi ltc31xx converters	Datasheet	160In Stock	$12.93 $10.12 $9.42 $8.65	Min.: 1 Mult.: 1 Max.: 128	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
Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr LTC3114IDHC-1#TRPBF Analog Devices 1: $14.80 85In Stock	Mfr. Part No. LTC3114IDHC-1#TRPBF Mouser Part No 584-C3114IDHC-1TRPBF	Analog Devices	Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr Learn More about Analog Devices adi ltc31xx converters	Datasheet	85In Stock	Cut Tape $14.80 $11.69 $10.91 $10.06 View $10.05 $9.47 $9.33 $8.75 MouseReel Available	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	+ 125 C	LTC3114-1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115EDHD-1#TRPBF Analog Devices 1: $17.97 91In Stock 10,000On Order	Mfr. Part No. LTC3115EDHD-1#TRPBF Mouser Part No 584-C3115EDHD-1TRPBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	91In Stock 10,000On Order On Order Ship Dates Mfr. No: LTC3115EDHD-1#TRPBF Stock: 91 Can Dispatch Immediately On Order: 5,000 Pending 5,000 Expected 16/10/2026 Factory Lead Time: Unverified	Cut Tape $17.97 $14.24 $13.31 $12.29 $11.79 $10.48 MouseReel Available	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	LTC3115-1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115EFE-1#TRPBF Analog Devices 1: $18.59 110In Stock	Mfr. Part No. LTC3115EFE-1#TRPBF Mouser Part No 584-C3115EFE-1TRPBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	110In Stock	Cut Tape $18.59 $14.73 $13.77 $13.77 MouseReel Available	Min.: 1 Mult.: 1 Max.: 88	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
Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv LTC3111EMSE#PBF Analog Devices 1: $12.61 108In Stock 296Expected 06/10/2026	Mfr. Part No. LTC3111EMSE#PBF Mouser Part No 584-LTC3111EMSE#PBF	Analog Devices	Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	108In Stock 296Expected 06/10/2026	$12.61 $9.87 $9.19	Min.: 1 Mult.: 1 Max.: 86	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
Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv LTC3111HMSE#PBF Analog Devices 1: $14.68 12In Stock	Mfr. Part No. LTC3111HMSE#PBF Mouser Part No 584-LTC3111HMSE#PBF	Analog Devices	Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	12In Stock	$14.68 $11.50 $10.70 $9.82 View $9.73 $9.15 $8.95 Quote	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	+ 150 C	LTC3111	Tube
Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv LTC3112IFE#PBF Analog Devices 1: $15.47 19In Stock	Mfr. Part No. LTC3112IFE#PBF Mouser Part No 584-LTC3112IFE#PBF	Analog Devices	Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	19In Stock	$15.47 $12.24 $10.71 $10.34 View $10.04 $9.84 $9.63 Quote	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
Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr LTC3114HDHC-1#PBF Analog Devices 1: $16.04 74In Stock	Mfr. Part No. LTC3114HDHC-1#PBF Mouser Part No 584-LTC3114HDHC-1PBF	Analog Devices	Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr Learn More about Analog Devices adi ltc31xx converters	Datasheet	74In Stock	$16.04 $12.56 $11.69 $10.73 View $10.63 $10.00 $9.78 Quote	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
Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115EDHD-2#PBF Analog Devices 1: $17.97 1In Stock	Mfr. Part No. LTC3115EDHD-2#PBF Mouser Part No 584-LTC3115EDHD-2PBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	1In Stock	$17.97 $14.24 $13.31 $12.28 View $11.71 $11.50	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
Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D LTC3122IDE#PBF Analog Devices 1: $9.78 41In Stock 182Expected 04/12/2026	Mfr. Part No. LTC3122IDE#PBF Mouser Part No 584-LTC3122IDE#PBF	Analog Devices	Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D Learn More about Analog Devices adi ltc31xx converters	Datasheet	41In Stock 182Expected 04/12/2026	$9.78 $7.61 $7.07 $6.46 View $6.13 $6.01 $5.86 Quote	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
Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out LTC3124EDHC#PBF Analog Devices 1: $11.54 189In Stock	Mfr. Part No. LTC3124EDHC#PBF Mouser Part No 584-LTC3124EDHC#PBF	Analog Devices	Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out Learn More about Analog Devices adi ltc31xx converters	Datasheet	189In Stock	$11.54 $9.01 $8.38 $7.67	Min.: 1 Mult.: 1 Max.: 151	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
Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out LTC3124IDHC#PBF Analog Devices 1: $13.09 56In Stock	Mfr. Part No. LTC3124IDHC#PBF Mouser Part No 584-LTC3124IDHC#PBF	Analog Devices	Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out Learn More about Analog Devices adi ltc31xx converters	Datasheet	56In Stock	$13.09 $10.25 $9.54 $8.75 View $8.67 $8.16 $7.98 Quote	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
Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out LTC3124IFE#PBF Analog Devices 1: $13.02 58In Stock	Mfr. Part No. LTC3124IFE#PBF Mouser Part No 584-LTC3124IFE#PBF	Analog Devices	Switching Voltage Regulators 15V, 5A 2-PhSync Boost DC/DC Conv w/ Out Learn More about Analog Devices adi ltc31xx converters	Datasheet	58In Stock	$13.02 $10.22 $9.16 $8.60 View $8.50 $8.13 $7.96 Quote	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
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129EMSE#PBF Analog Devices 1: $10.56 14In Stock	Mfr. Part No. LTC3129EMSE#PBF Mouser Part No 584-LTC3129EMSE#PBF	Analog Devices	Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ Learn More about Analog Devices adi ltc31xx converters	Datasheet	14In Stock	$10.56 $8.22 $7.63 $6.98 View $6.62 $6.48 $6.33 Quote	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
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129EMSE-1#PBF Analog Devices 1: $10.56 185In Stock	Mfr. Part No. LTC3129EMSE-1#PBF Mouser Part No 584-LTC3129EMSE-1PBF	Analog Devices	Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ Learn More about Analog Devices adi ltc31xx converters	Datasheet	185In Stock	$10.56 $8.22 $7.63 $6.98	Min.: 1 Mult.: 1 Max.: 148	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
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129EUD#PBF Analog Devices 1: $10.56 147In Stock	Mfr. Part No. LTC3129EUD#PBF Mouser Part No 584-LTC3129EUD#PBF	Analog Devices	Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ Learn More about Analog Devices adi ltc31xx converters	Datasheet	147In Stock	$10.56 $8.22 $7.63 $6.99	Min.: 1 Mult.: 1 Max.: 117	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
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129EUD#TRPBF Analog Devices 1: $10.56 170In Stock	Mfr. Part No. LTC3129EUD#TRPBF Mouser Part No 584-LTC3129EUD#TRPBF	Analog Devices	Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ Learn More about Analog Devices adi ltc31xx converters	Datasheet	170In Stock	Cut Tape $10.56 $8.22 $7.63 $6.99 $6.99 MouseReel Available	Min.: 1 Mult.: 1 Max.: 136	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
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129EUD-1#PBF Analog Devices 1: $10.56 127In Stock	Mfr. Part No. LTC3129EUD-1#PBF Mouser Part No 584-LTC3129EUD-1#PBF	Analog Devices	Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ Learn More about Analog Devices adi ltc31xx converters	Datasheet	127In Stock	$10.56 $8.22 $7.63 $6.99	Min.: 1 Mult.: 1 Max.: 101	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

LTC31xx Synchronous Buck-Boost DC-DC Converters

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