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: $12.79 7,590In Stock	Mfr. Part # LTC3130IMSE#PBF Mouser Part # 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	7,590In Stock	$12.79 $10.05 $9.13 $8.56 View $8.40 $8.04 $7.86 Quote	Min.: 1 Mult.: 1 Max.: 6,072	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 Mono Buck-Boost Supercap Chr & Balanc LTC3128IFE#PBF Analog Devices 1: $9.76 573In Stock	Mfr. Part # LTC3128IFE#PBF Mouser Part # 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	$9.76 $9.55 $9.34 $9.15 $9.01	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 3A L N Buck-Boost DC/DC Conv LTC3113EFE#PBF Analog Devices 1: $14.45 276In Stock	Mfr. Part # LTC3113EFE#PBF Mouser Part # 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	276In Stock	$14.45 $11.32 $10.53 $9.67	Min.: 1 Mult.: 1 Max.: 220	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 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129IMSE-1#PBF Analog Devices 1: $6.56 329In Stock	Mfr. Part # LTC3129IMSE-1#PBF Mouser Part # 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	329In Stock	$6.56 $6.42 $6.28 $6.15 $6.06	Min.: 1 Mult.: 1 Max.: 263	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 1.2A Sync Boost DC/DC Conv w/ In C Lim LTC3125EDCB#TRPBF Analog Devices 1: $4.59 1,905In Stock	Mfr. Part # LTC3125EDCB#TRPBF Mouser Part # 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 $4.59 $4.49 $4.39 $4.30 View $4.24 $4.17 $4.11 $4.11 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 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115IFE-2#PBF Analog Devices 1: $20.49 92In Stock	Mfr. Part # LTC3115IFE-2#PBF Mouser Part # 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 $16.24 $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: $32.83 36In Stock	Mfr. Part # LTC3115MPFE-2#PBF Mouser Part # 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	$32.83 $32.10 $31.41 $30.78 View $30.31 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 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115EFE-1#PBF Analog Devices 1: $18.59 7,811In Stock	Mfr. Part # LTC3115EFE-1#PBF Mouser Part # 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	7,811In Stock	$18.59 $14.74 $13.77 $12.70 View $12.12 $11.90 Quote	Min.: 1 Mult.: 1 Max.: 6,248	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: $12.86 2,981In Stock	Mfr. Part # LTC3129IMSE#PBF Mouser Part # 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	2,981In Stock	$12.86 $10.07 $9.37 $8.60 View $8.52 $8.02 $7.83	Min.: 1 Mult.: 1 Max.: 2,384	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 40V, 1A Sync Buck-Boost DC/DC Conv w/ Pr LTC3114EDHC-1#TRPBF Analog Devices 1: $13.80 1,818In Stock	Mfr. Part # LTC3114EDHC-1#TRPBF Mouser Part # 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	1,818In Stock	Cut Tape $13.80 $10.81 $10.06 $9.24 View $9.15 $9.08 $9.08 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,454	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 15V, 2.5A Sync Buck-Boost DC/DC Conv LTC3112EDHD#PBF Analog Devices 1: $13.77 2,506In Stock	Mfr. Part # LTC3112EDHD#PBF Mouser Part # 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	2,506In Stock	$13.77 $10.78 $9.84 $9.22 View $9.06 $8.49	Min.: 1 Mult.: 1 Max.: 2,063	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, 1A Sync Buck-Boost DC/DC Conv w/ Pr LTC3114HFE-1#PBF Analog Devices 1: $16.03 1,107In Stock	Mfr. Part # LTC3114HFE-1#PBF Mouser Part # 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	1,107In Stock	$16.03 $12.55 $11.69 $10.73 View $10.63 $10.00	Min.: 1 Mult.: 1 Max.: 885	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 15V, 1.5A Sync Boost DC/DC Conv w/ Out D LTC3121EDE#PBF Analog Devices 1: $8.25 4,165In Stock 1,001On Order	Mfr. Part # LTC3121EDE#PBF Mouser Part # 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	$8.25 $6.36 $5.89 $5.36 View $5.04 $4.96 $4.94	Min.: 1 Mult.: 1 Max.: 3,332	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#TRPBF Analog Devices 1: $8.50 2,508In Stock	Mfr. Part # LTC3122EDE#TRPBF Mouser Part # 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 $5.39 Reel $5.39 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 1A Buck-Boost DC/DC Conv w/ Progmable In LTC3127EDD#TRPBF Analog Devices 1: $10.45 1,755In Stock	Mfr. Part # LTC3127EDD#TRPBF Mouser Part # 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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130EMSE#PBF Analog Devices 1: $11.71 7,372In Stock	Mfr. Part # LTC3130EMSE#PBF Mouser Part # 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	7,372In Stock	$11.71 $9.18 $8.32 $7.80 View $7.50 $7.30 $7.13 Quote	Min.: 1 Mult.: 1 Max.: 5,897	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 3,965In Stock	Mfr. Part # LTC3130EUDC-1#PBF Mouser Part # 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	3,965In Stock	$12.34 $9.66 $8.99 $8.26 View $8.18 $7.70 $7.52 Quote	Min.: 1 Mult.: 1 Max.: 3,172	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 LTC3130EUDC#TRPBF Analog Devices 1: $11.52 6,878In Stock	Mfr. Part # LTC3130EUDC#TRPBF Mouser Part # 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	6,878In Stock	Cut Tape $11.52 $9.00 $8.37 $7.68 $7.58 Reel $6.46 MouseReel Available	Min.: 1 Mult.: 1 Max.: 5,502 : 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 25V, 600mA Buck-Boost DC/DC Converter with 1.6 A Quiescent Current LTC3130IUDC#TRPBF Analog Devices 1: $12.35 6,109In Stock	Mfr. Part # LTC3130IUDC#TRPBF Mouser Part # 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	6,109In Stock	Cut Tape $12.35 $9.68 $9.02 $8.28 View Reel $7.05 $8.20 $7.72 $7.55 $7.05 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,887 : 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 LTC3114MPDHC-1#PBF Analog Devices 1: $36.59 51In Stock	Mfr. Part # LTC3114MPDHC-1#PBF Mouser Part # 584-C3114MPDHC-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	51In Stock	$36.59 $29.68 $27.24 $26.26 View $25.08 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	- 55 C	+ 150 C	LTC3114-1	Tube
Switching Voltage Regulators 1.2A Sync Boost DC/DC Conv w/ In C Lim LTC3125EDCB#TRMPBF Analog Devices 1: $8.39 1,886In Stock	Mfr. Part # LTC3125EDCB#TRMPBF Mouser Part # 584-C3125EDCBTRMPBF	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	1,886In Stock	Cut Tape $8.39 $6.50 $6.03 $5.51 Reel $5.11 View $5.37 $4.92 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,508 : 500	SMD/SMT	DFN-8	Boost	2 V to 5.25 V	1 A	1 Output	300 uA	1.6 MHz	- 40 C	+ 125 C	LTC3125	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 15V, 200mA Sync Buck-Boost DC/DC Conv w/ LTC3129EUD-1#TRPBF Analog Devices 1: $10.40 854In Stock	Mfr. Part # LTC3129EUD-1#TRPBF Mouser Part # 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	854In Stock	Cut Tape $10.40 $8.10 $7.52 $6.89 View $6.53 $6.40 $6.40 MouseReel Available	Min.: 1 Mult.: 1 Max.: 683	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 15V, 1.5A Sync Buck-Boost DC/DC Conv LTC3111EMSE#PBF Analog Devices 1: $12.61 318In Stock	Mfr. Part # LTC3111EMSE#PBF Mouser Part # 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	318In Stock	$12.61 $9.87 $9.19 $8.43	Min.: 1 Mult.: 1 Max.: 254	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 LTC3111IMSE#PBF Analog Devices 1: $13.83 33In Stock	Mfr. Part # LTC3111IMSE#PBF Mouser Part # 584-LTC3111IMSE#PBF	Analog Devices	Switching Voltage Regulators 15V, 1.5A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	33In Stock	$13.83 $10.83 $10.08 $9.25 View $9.16 $8.62 $8.43 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	+ 125 C	LTC3111	Tube
Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv LTC3112EDHD#TRPBF Analog Devices 1: $13.96 312In Stock	Mfr. Part # LTC3112EDHD#TRPBF Mouser Part # 584-LTC3112EDHDTRPBF	Analog Devices	Switching Voltage Regulators 15V, 2.5A Sync Buck-Boost DC/DC Conv Learn More about Analog Devices adi ltc31xx converters	Datasheet	312In Stock	Cut Tape $13.96 $10.93 $10.18 $9.35 $9.35 MouseReel Available	Min.: 1 Mult.: 1 Max.: 249	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	Reel, Cut Tape, MouseReel

LTC31xx Synchronous Buck-Boost DC-DC Converters

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