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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130IMSE#PBF Analog Devices 1: $12.93 7,595In Stock	Mfr. Part No. LTC3130IMSE#PBF Mouser Part No 584-LTC3130IMSE#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	7,595In Stock	$12.93 $10.12 $9.42 $8.65 View $8.56 $8.06 $7.89 Quote	Min.: 1 Mult.: 1 Max.: 6,076	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 3A L N Buck-Boost DC/DC Conv LTC3113EFE#PBF Analog Devices 1: $14.46 317In Stock	Mfr. Part No. LTC3113EFE#PBF Mouser Part No 584-LTC3113EFE#PBF	Analog Devices	Switching Voltage Regulators 3A L N Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	317In Stock	$14.46 $11.33 $10.54 $9.68	Min.: 1 Mult.: 1 Max.: 253	SMD/SMT	TSSOP-EP-20	Boost, Buck	1.8 V to 5.5 V	3 A	1 Output	40 uA	2 MHz	- 40 C	+ 125 C	LTC3113	Tube
Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr LTC3114HFE-1#PBF Analog Devices 1: $14.89 1,125In Stock	Mfr. Part No. LTC3114HFE-1#PBF Mouser Part No 584-LTC3114HFE-1#PBF	Analog Devices	Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr Learn More about Analog Devices adi ltc31xx converters	Datasheet	1,125In Stock	$14.89 $11.70 $10.22 $9.89 View $9.77 $9.40	Min.: 1 Mult.: 1 Max.: 900	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
Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim LTC3125EDCB#TRPBF Analog Devices 1: $7.97 1,905In Stock	Mfr. Part No. LTC3125EDCB#TRPBF Mouser Part No 584-LTC3125EDCBTRPBF	Analog Devices	Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim Learn More about Analog Devices adi ltc31xx converters	Datasheet	1,905In Stock	Cut Tape $7.97 $6.14 $5.69 $5.18 View $4.80 $4.66 $4.66 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,524	SMD/SMT	DFN-8	Boost	2 V to 5.25 V	1 A	1 Output	15 uA	1.6 MHz	- 40 C	+ 125 C	LTC3125	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In LTC3127EMSE#PBF Analog Devices 1: $10.66 443In Stock	Mfr. Part No. LTC3127EMSE#PBF Mouser Part No 584-LTC3127EMSE#PBF	Analog Devices	Switching Voltage Regulators 1A Buck-Boost DC/DC Conv w/ Progmable In Learn More about Analog Devices adi ltc31xx converters	Datasheet	443In Stock	$10.66 $8.33 $7.75 $7.08 $6.73	Min.: 1 Mult.: 1 Max.: 354	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
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129IMSE-1#PBF Analog Devices 1: $11.37 339In Stock	Mfr. Part No. LTC3129IMSE-1#PBF Mouser Part No 584-LTC3129IMSE-1PBF	Analog Devices	Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ Learn More about Analog Devices adi ltc31xx converters	Datasheet	339In Stock	$11.37 $8.91 $8.07 $7.56 $7.25	Min.: 1 Mult.: 1 Max.: 271	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/ LTC3129IUD-1#PBF Analog Devices 1: $11.47 245In Stock	Mfr. Part No. LTC3129IUD-1#PBF Mouser Part No 584-LTC3129IUD-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	245In Stock	$11.47 $8.97 $8.33 $7.64	Min.: 1 Mult.: 1 Max.: 196	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
Switching Voltage Regulators 3A Mono Buck-Boost Supercap Chr & Balanc LTC3128IFE#PBF Analog Devices 1: $16.46 573In Stock	Mfr. Part No. LTC3128IFE#PBF Mouser Part No 584-LTC3128IFE#PBF	Analog Devices	Switching Voltage Regulators 3A Mono Buck-Boost Supercap Chr & Balanc Learn More about Analog Devices adi ltc31xx converters	Datasheet	573In Stock	$16.46 $12.93 $11.62 $11.03 $10.77	Min.: 1 Mult.: 1 Max.: 458	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
Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115IFE-2#PBF Analog Devices 1: $20.49 92In Stock	Mfr. Part No. LTC3115IFE-2#PBF Mouser Part No 584-LTC3115IFE-2#PBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	92In Stock	$20.49 $16.25 $15.18 $14.00 View $13.35 $13.11	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
Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115MPFE-2#PBF Analog Devices 1: $48.07 36In Stock	Mfr. Part No. LTC3115MPFE-2#PBF Mouser Part No 584-LTC3115MPFE-2PBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	36In Stock	$48.07 $39.29 $37.09 $36.05 View $33.53 Quote	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
Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv LTC3112EDHD#PBF Analog Devices 1: $13.77 3,399In Stock	Mfr. Part No. LTC3112EDHD#PBF Mouser Part No 584-LTC3112EDHD#PBF	Analog Devices	Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	3,399In Stock	$13.77 $10.78 $9.84 $9.22 View $9.06 $8.49	Min.: 1 Mult.: 1 Max.: 2,723	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
Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115EFE-1#PBF Analog Devices 1: $18.60 8,043In Stock	Mfr. Part No. LTC3115EFE-1#PBF Mouser Part No 584-LTC3115EFE-1#PBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	8,043In Stock	$18.60 $14.75 $13.77 $12.70 View $12.12 $11.90	Min.: 1 Mult.: 1 Max.: 6,434	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
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129IMSE#PBF Analog Devices 1: $11.80 2,997In Stock	Mfr. Part No. LTC3129IMSE#PBF Mouser Part No 584-LTC3129IMSE#PBF	Analog Devices	Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ Learn More about Analog Devices adi ltc31xx converters	Datasheet	2,997In Stock	$11.80 $9.26 $8.46 $7.92 View $7.68 $7.44 $7.30	Min.: 1 Mult.: 1 Max.: 2,397	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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130EUDC#TRPBF Analog Devices 1: $11.53 7,549In Stock	Mfr. Part No. LTC3130EUDC#TRPBF Mouser Part No 584-LTC3130EUDCTRPBF	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	7,549In Stock	Cut Tape $11.53 $9.00 $8.37 $7.68 $7.58 Reel $6.59 MouseReel Available	Min.: 1 Mult.: 1 Max.: 6,039 : 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
Switching Voltage Regulators 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr LTC3114EDHC-1#TRPBF Analog Devices 1: $13.11 2,130In Stock	Mfr. Part No. LTC3114EDHC-1#TRPBF Mouser Part No 584-C3114EDHC-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	2,130In Stock	Cut Tape $13.11 $10.29 $9.58 $8.83 View $8.76 $8.47 $8.36 $8.36 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,704	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 LTC3115IDHD-1#TRPBF Analog Devices 1: $18.90 3,822In Stock	Mfr. Part No. LTC3115IDHD-1#TRPBF Mouser Part No 584-C3115IDHD-1TRPBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	3,822In Stock	Cut Tape $18.90 $16.67 $13.99 $12.99 View Reel $12.11 $12.73 $12.48 $12.20 $12.11 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,261 : 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
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129EUD-1#TRPBF Analog Devices 1: $10.40 1,366In Stock	Mfr. Part No. LTC3129EUD-1#TRPBF Mouser Part No 584-C3129EUD-1TRPBF	Analog Devices	Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ Learn More about Analog Devices adi ltc31xx converters	Datasheet	1,366In Stock	Cut Tape $10.40 $8.11 $7.52 $6.90 View $6.54 $6.40 $6.29 $6.29 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,092	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	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115IDHD-1#PBF Analog Devices 1: $19.76 1,647In Stock	Mfr. Part No. LTC3115IDHD-1#PBF Mouser Part No 584-LTC3115IDHD-1PBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	1,647In Stock	$19.76 $15.65 $14.63 $13.50 View $12.87 $12.64	Min.: 1 Mult.: 1 Max.: 1,317	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
Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115IFE-1#PBF Analog Devices 1: $19.65 1,054In Stock	Mfr. Part No. LTC3115IFE-1#PBF Mouser Part No 584-LTC3115IFE-1#PBF	Analog Devices	Switching Voltage Regulators 40V, 2A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	1,054In Stock	$19.65 $15.63 $14.26 $13.50 View $13.03 $12.78	Min.: 1 Mult.: 1 Max.: 855	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
Switching Voltage Regulators 15V, 1.5A Sync Boost DC/DC Conv w/ Out D LTC3121EDE#PBF Analog Devices 1: $8.26 4,165In Stock 1,001On Order	Mfr. Part No. LTC3121EDE#PBF Mouser Part No 584-LTC3121EDE#PBF	Analog Devices	Switching Voltage Regulators 15V, 1.5A Sync Boost DC/DC Conv w/ Out D Learn More about Analog Devices adi ltc31xx converters	Datasheet	4,165In Stock 1,001On Order	$8.26 $6.36 $5.90 $5.36 View $5.04 $4.97 $4.94	Min.: 1 Mult.: 1 Max.: 3,344	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
Switching Voltage Regulators 15V, 2.5A Sync Boost DC/DC Conv w/ Out D LTC3122EDE#PBF Analog Devices 1: $8.18 1,080In Stock	Mfr. Part No. LTC3122EDE#PBF Mouser Part No 584-LTC3122EDE#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	1,080In Stock	$8.18 $6.33 $5.38 $5.18 View $5.02 $4.94	Min.: 1 Mult.: 1 Max.: 864	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, 2.5A Sync Boost DC/DC Conv w/ Out D LTC3122EDE#TRPBF Analog Devices 1: $8.50 2,508In Stock	Mfr. Part No. LTC3122EDE#TRPBF Mouser Part No 584-LTC3122EDE#TRPBF	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	2,508In Stock	Cut Tape $8.50 $6.58 $6.11 $5.58 $5.40 Reel $5.40 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,006 : 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
Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130EMSE#PBF Analog Devices 1: $11.71 8,013In Stock	Mfr. Part No. LTC3130EMSE#PBF Mouser Part No 584-LTC3130EMSE#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	8,013In Stock	$11.71 $9.18 $8.33 $7.80 View $7.50 $7.30 $7.13 Quote	Min.: 1 Mult.: 1 Max.: 6,410	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-1#PBF Analog Devices 1: $12.34 4,090In Stock	Mfr. Part No. LTC3130EUDC-1#PBF Mouser Part No 584-LTC3130EUDC-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	4,090In Stock	$12.34 $9.66 $8.99 $8.26 View $8.18 $7.70 $7.52 Quote	Min.: 1 Mult.: 1 Max.: 3,272	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
Switching Voltage Regulators 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130IUDC#TRPBF Analog Devices 1: $12.35 7,310In Stock	Mfr. Part No. LTC3130IUDC#TRPBF Mouser Part No 584-LTC3130IUDCTRPBF	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	7,310In Stock	Cut Tape $12.35 $9.68 $9.02 $8.28 View Reel $7.27 $8.20 $7.72 $7.55 $7.27 MouseReel Available	Min.: 1 Mult.: 1 Max.: 5,848 : 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

LTC31xx Synchronous Buck-Boost DC-DC Converters

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