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 (CLP) 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: $14.197 7.595In 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	7.595In Stock	$14.197 $11.111 $10.343 $9.497 View $9.398 $8.850 $8.652 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: $15.865 317In 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	317In Stock	$15.865 $12.429 $11.561 $10.617	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 3A Mono Buck-Boost Supercap Chr & Balanc LTC3128IFE#PBF Analog Devices 1: $18.061 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	$18.061 $14.197 $12.758 $12.099 $11.825	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, 1A Sync Buck-Boost DC/DC Conv w/ Pr LTC3114HFE-1#PBF Analog Devices 1: $16.338 1.125In 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	1.125In Stock	$16.338 $12.846 $11.221 $10.848 View $10.727 $10.321	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: $8.740 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 $8.740 $6.741 $6.247 $5.687 View $5.270 $5.116 $5.116 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: $11.704 443In Stock	Mfr. Part # LTC3127EMSE#PBF Mouser Part # 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	$11.704 $9.135 $8.498 $7.774 $7.389	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: $12.484 339In 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	339In Stock	$12.484 $9.783 $8.860 $8.301 $7.949	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: $12.594 245In Stock	Mfr. Part # LTC3129IUD-1#PBF Mouser Part # 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	$12.594 $9.838 $9.146 $8.388	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 40V, 2A Sync Buck-Boost DC/DC Conv LTC3115IFE-2#PBF Analog Devices 1: $22.497 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	$22.497 $17.831 $16.667 $15.371 View $14.658 $14.394	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: $52.768 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	$52.768 $43.128 $40.712 $39.581 View $36.803 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: $15.119 3.399In 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	3.399In Stock	$15.119 $11.836 $10.804 $10.123 View $9.947 $9.322	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: $20.411 8.043In 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	8.043In Stock	$20.411 $16.184 $15.119 $13.944 View $13.307 $13.066 Quote	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: $12.956 2.997In 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	2.997In Stock	$12.956 $10.156 $9.278 $8.696 View $8.421 $8.169 $8.015	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: $12.648 7.549In 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	7.549In Stock	Cut Tape $12.648 $9.882 $9.190 $8.432 $8.322 Reel $7.093 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: $14.383 2.130In 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	2.130In Stock	Cut Tape $14.383 $11.298 $10.518 $9.684 View $9.607 $9.300 $9.179 $9.179 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: $20.751 3.822In Stock	Mfr. Part # LTC3115IDHD-1#TRPBF Mouser Part # 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 $20.751 $18.292 $15.360 $14.262 View Reel $13.285 $13.977 $13.702 $13.395 $13.285 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: $11.419 1.366In 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	1.366In Stock	Cut Tape $11.419 $8.893 $8.257 $7.565 View $7.170 $7.027 $6.906 $6.906 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: $21.685 1.647In Stock	Mfr. Part # LTC3115IDHD-1#PBF Mouser Part # 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	$21.685 $17.183 $16.063 $14.822 View $14.131 $13.878	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: $21.575 1.054In Stock	Mfr. Part # LTC3115IFE-1#PBF Mouser Part # 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	$21.575 $17.161 $15.657 $14.822 View $14.295 $14.032	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: $9.058 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	$9.058 $6.983 $6.467 $5.885 View $5.534 $5.446 $5.424	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: $8.981 1.080In Stock	Mfr. Part # LTC3122EDE#PBF Mouser Part # 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	$8.981 $6.950 $5.907 $5.676 View $5.512 $5.424	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: $9.333 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 $9.333 $7.225 $6.708 $6.127 $5.918 Reel $5.918 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: $12.857 8.013In 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	8.013In Stock	$12.857 $10.079 $9.135 $8.564 View $8.235 $8.015 $7.828 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: $13.549 4.090In 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	4.090In Stock	$13.549 $10.606 $9.871 $9.069 View $8.981 $8.454 $8.257 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: $13.560 7.310In 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	7.310In Stock	Cut Tape $13.560 $10.628 $9.904 $9.091 View Reel $7.741 $9.003 $8.476 $8.290 $7.741 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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