Voltage Regulators - Switching Regulators

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LT8609/A/B Synchronous Step-Down Regulators

Analog Devices Inc. LT8609/A/B Synchronous Step-Down Regulators are compact, high efficiency, high speed, and consume 1.7µA of non-switching quiescent current. The LT8609/A/B Regulators deliver 3A of continuous current. The devices offer a Burst Mode operation enabling high efficiency down to very low output currents while keeping the output ripple below 10mVP-P.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) 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 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AEDDM-5#TRPBF Analog Devices 1: ¥1,498.2 8,538In Stock	Mfr. Part # LT8609AEDDM-5#TRPBF Mouser Part # 584-LT8609AEDDM-5#TR	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	8,538In Stock	Cut Tape ¥1,498.2 ¥1,164.4 ¥1,081.3 ¥988.3 View Reel ¥847.1 ¥946.8 ¥920.2 ¥895.3 ¥847.1 MouseReel Available	Min.: 1 Mult.: 1 Max.: 6,830 : 2,500	SMD/SMT	DFN-10	Buck	5 V	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AJMSE16#TRPBF Analog Devices 1: ¥946.8 2,500In Stock	Mfr. Part # LT8609AJMSE16#TRPBF Mouser Part # 584-8609AJMSE16TRPBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	2,500In Stock	Cut Tape ¥946.8 ¥925.2 ¥905.2 ¥887 View Reel ¥835.5 ¥873.7 ¥860.4 ¥847.1 ¥835.5 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,500 : 2,500	SMD/SMT	MSOP-16	Buck	3.3 V, 5 V	3 A	1 Output	1 uA	2 MHz	- 40 C	+ 150 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AHMSE#PBF Analog Devices 1: ¥1,765.6 3,075In Stock	Mfr. Part # LT8609AHMSE#PBF Mouser Part # 584-LT8609AHMSEPBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	3,075In Stock	¥1,765.6 ¥1,378.6 ¥1,224.2 ¥1,174.3 View ¥1,117.9 ¥1,094.6 ¥1,069.7	Min.: 1 Mult.: 1 Max.: 2,460	SMD/SMT	MSOP-10	Buck	Adjustable	2 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609EMSE#PBF Analog Devices 1: ¥1,501.5 31,154In Stock	Mfr. Part # LT8609EMSE#PBF Mouser Part # 584-LT8609EMSE#PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	31,154In Stock	¥1,501.5 ¥1,167.7 ¥1,031.5 ¥990 View ¥945.1 ¥918.5 ¥896.9 Quote	Min.: 1 Mult.: 1 Max.: 24,923	SMD/SMT	MSOP-10	Buck	Adjustable	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AHDDM-5#PBF Analog Devices 1: ¥1,119.5 290In Stock	Mfr. Part # LT8609AHDDM-5#PBF Mouser Part # 584-LT8609AHDDM5#PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	290In Stock	¥1,119.5 ¥1,094.6 ¥1,071.3 ¥1,049.8	Min.: 1 Mult.: 1 Max.: 232	SMD/SMT	DFN-10	Buck	5 V	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609BIMSE#PBF Analog Devices 1: ¥1,574.6 300In Stock 50On Order	Mfr. Part # LT8609BIMSE#PBF Mouser Part # 584-LT8609BIMSE#PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	300In Stock 50On Order	¥1,574.6 ¥1,225.8 ¥1,086.3 ¥1,041.4	Min.: 1 Mult.: 1 Max.: 240	SMD/SMT	MSOP-10	Buck	Adjustable	2 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AIMSE16#PBF Analog Devices 1: ¥1,609.5 1,066In Stock	Mfr. Part # LT8609AIMSE16#PBF Mouser Part # 584-8609AIMSE16#PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	1,066In Stock	¥1,609.5 ¥1,252.4 ¥1,162.7 ¥1,063 View ¥1,008.2 ¥988.3	Min.: 1 Mult.: 1 Max.: 852	SMD/SMT	MSOP-16	Buck	3.3 V, 5 V	3 A	1 Output	1 uA	2 MHz	- 40 C	+ 125 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AJMSE16#PBF Analog Devices 1: ¥946.8 693In Stock	Mfr. Part # LT8609AJMSE16#PBF Mouser Part # 584-8609AJMSE16#PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	693In Stock	¥946.8 ¥925.2 ¥905.2 ¥887 View ¥873.7 ¥860.4	Min.: 1 Mult.: 1 Max.: 554	SMD/SMT	MSOP-16	Buck	3.3 V, 5 V	3 A	1 Output	1 uA	2 MHz	- 40 C	+ 150 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AEDDM-5#PBF Analog Devices 1: ¥1,498.2 1,994In Stock	Mfr. Part # LT8609AEDDM-5#PBF Mouser Part # 584-LT8609AEDDM-5	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	1,994In Stock	¥1,498.2 ¥1,164.4 ¥1,081.3 ¥978.3 View ¥936.8 ¥915.2 ¥893.6	Min.: 1 Mult.: 1 Max.: 1,595	SMD/SMT	DFN-10	Buck	5 V	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609IMSE#PBF Analog Devices 1: ¥1,644.4 1,397In Stock 5,950On Order	Mfr. Part # LT8609IMSE#PBF Mouser Part # 584-LT8609IMSE#PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	1,397In Stock 5,950On Order	¥1,644.4 ¥1,279 ¥1,186 ¥1,086.3 View ¥1,029.8 ¥1,009.9 ¥986.6	Min.: 1 Mult.: 1 Max.: 1,117	SMD/SMT	MSOP-10	Buck	Adjustable	2 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AIMSE16#TRPBF Analog Devices 1: ¥910.2 2,030In Stock	Mfr. Part # LT8609AIMSE16#TRPBF Mouser Part # 584-8609AIMSE16TRPBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	2,030In Stock	Cut Tape ¥910.2 ¥890.3 ¥872 ¥853.8 View ¥840.5 ¥828.8 ¥815.6 ¥815.6 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,624	SMD/SMT	MSOP-16	Buck	3.3 V, 5 V	3 A	1 Output	1 uA	2 MHz	- 40 C	+ 125 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AHMSE16#PBF Analog Devices 1: ¥1,767.3 86In Stock	Mfr. Part # LT8609AHMSE16#PBF Mouser Part # 584-LT8609AHMSE16PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	86In Stock	¥1,767.3 ¥1,380.3 ¥1,249.1 ¥1,169.3 ¥1,117.9	Min.: 1 Mult.: 1 Max.: 343	SMD/SMT	MSOP-16	Buck	Adjustable	2 A	1 Output	1.7 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AEDDM#TRPBF Analog Devices 1: ¥1,446.7 4,785In Stock	Mfr. Part # LT8609AEDDM#TRPBF Mouser Part # 584-LT8609AEDDM#TR	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	4,785In Stock	Cut Tape ¥1,446.7 ¥1,121.2 ¥1,039.8 ¥950.1 View Reel ¥815.6 ¥885.3 ¥883.7 ¥857.1 ¥815.6 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,828 : 2,500	SMD/SMT	DFN-10	Buck	Adjustable	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609IMSE#TRPBF Analog Devices 1: ¥1,644.4 5,775In Stock	Mfr. Part # LT8609IMSE#TRPBF Mouser Part # 584-LT8609IMSE#TRPBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	5,775In Stock	Cut Tape ¥1,644.4 ¥1,279 ¥1,187.6 ¥1,088 ¥1,044.8 Reel ¥905.2 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,620 : 2,500	SMD/SMT	MSOP-10	Buck	Adjustable	2 A	1 Output	1.7 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AEDDM-3.3#PBF Analog Devices 1: ¥843.8 1,591In Stock	Mfr. Part # LT8609AEDDM-3.3#PBF Mouser Part # 584-8609AEDDM-3.3PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt86 high voltage regulators	Datasheet	1,591In Stock	¥843.8 ¥825.5 ¥807.2 ¥792.3 View ¥779 ¥767.4 ¥755.8	Min.: 1 Mult.: 1 Max.: 1,272	SMD/SMT	DFN-10	Buck	Adjustable	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AJMSE#TRPBF Analog Devices 1: ¥946.8 2,087In Stock	Mfr. Part # LT8609AJMSE#TRPBF Mouser Part # 584-8609AJMSE#TRPBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	2,087In Stock	Cut Tape ¥946.8 ¥925.2 ¥905.2 ¥887 View ¥873.7 ¥860.4 ¥847.1 ¥847.1 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,669	SMD/SMT	MSOP-10	Buck	Adjustable	3 A	1 Output	1 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AHDDM-5#TRPBF Analog Devices 1: ¥1,119.5 622In Stock	Mfr. Part # LT8609AHDDM-5#TRPBF Mouser Part # 584-LT8609AHDDM-5#TR	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	622In Stock	Cut Tape ¥1,119.5 ¥1,094.6 ¥1,071.3 ¥1,049.8 ¥1,033.1 ¥1,033.1 MouseReel Available	Min.: 1 Mult.: 1 Max.: 497	SMD/SMT	DFN-10	Buck	5 V	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AJDDM#TRPBF Analog Devices 1: ¥1,785.6 3,315In Stock	Mfr. Part # LT8609AJDDM#TRPBF Mouser Part # 584-LT8609AJDDM#TR	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	3,315In Stock	Cut Tape ¥1,785.6 ¥1,393.6 ¥1,295.6 ¥1,189.3 ¥1,139.4 Reel ¥993.3 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2,653 : 2,500	SMD/SMT	DFN-10	Buck	Adjustable	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AJDDM-5#TRPBF Analog Devices 1: ¥1,021.5 1,323In Stock	Mfr. Part # LT8609AJDDM-5#TRPBF Mouser Part # 584-LT8609AJDDM-5#TR	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	1,323In Stock	Cut Tape ¥1,021.5 ¥999.9 ¥978.3 ¥958.4 View ¥943.4 ¥928.5 ¥915.2 ¥915.2 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,058	SMD/SMT	DFN-10	Buck	5 V	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609SEV#TRPBF Analog Devices 1: ¥1,609.5 9,739In Stock	Mfr. Part # LT8609SEV#TRPBF Mouser Part # 584-LT8609SEV#TRPBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	9,739In Stock	Cut Tape ¥1,609.5 ¥1,252.4 ¥1,162.7 ¥1,064.7 ¥1,023.2 Reel ¥885.3 MouseReel Available	Min.: 1 Mult.: 1 Max.: 7,791 : 2,500	SMD/SMT	LQFN-16	Buck	5 V	2 A, 3 A	1 Output	2.5 uA	2 MHz	- 40 C	+ 125 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AEMSE16#PBF Analog Devices 1: ¥1,475 70In Stock	Mfr. Part # LT8609AEMSE16#PBF Mouser Part # 584-8609AEMSE16#PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	70In Stock	¥1,475 ¥1,142.8 ¥1,059.7 ¥966.7 View ¥923.5 ¥896.9 ¥873.7 Quote	Min.: 1 Mult.: 1	SMD/SMT	MSOP-16	Buck	3.3 V, 5 V	3 A		1 uA	2 MHz	- 40 C	+ 125 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AEMSE16#TRPBF Analog Devices 1: ¥1,413.5 957In Stock	Mfr. Part # LT8609AEMSE16#TRPBF Mouser Part # 584-8609AEMSE16TRPBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	957In Stock	Cut Tape ¥1,413.5 ¥1,094.6 ¥1,014.9 ¥926.8 ¥863.7 ¥863.7 MouseReel Available	Min.: 1 Mult.: 1 Max.: 765	SMD/SMT	MSOP-16	Buck	3.3 V, 5 V	3 A	1 Output	1 uA	2 MHz	- 40 C	+ 125 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AHMSE#TRPBF Analog Devices 1: ¥1,778.9 699In Stock	Mfr. Part # LT8609AHMSE#TRPBF Mouser Part # 584-8609AHMSETRPBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	699In Stock	Cut Tape ¥1,778.9 ¥1,385.3 ¥1,287.3 ¥1,181 View ¥1,141.1 ¥1,127.8 ¥1,127.8 MouseReel Available	Min.: 1 Mult.: 1 Max.: 559	SMD/SMT	MSOP-10	Buck	Adjustable	2 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AJDDM-3.3#PBF Analog Devices 1: ¥1,792.2 457In Stock	Mfr. Part # LT8609AJDDM-3.3#PBF Mouser Part # 584-8609AJDDM-3.3PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt86 high voltage regulators	Datasheet	457In Stock	¥1,792.2 ¥1,398.6 ¥1,300.6 ¥1,262.4 ¥1,202.6	Min.: 1 Mult.: 1 Max.: 365	SMD/SMT	DFN-10	Buck	3.3 V	3 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LT8609	Tube
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AEMSE#PBF Analog Devices 1: ¥1,514.8 1,004In Stock	Mfr. Part # LT8609AEMSE#PBF Mouser Part # 584-LT8609AEMSE#PBF	Analog Devices	Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A Learn More about Analog Devices adi lt8609 a b regulators	Datasheet	1,004In Stock	¥1,514.8 ¥1,169.3 ¥1,066.4 ¥985 ¥911.9	Min.: 1 Mult.: 1 Max.: 803	SMD/SMT	MSOP-10	Buck	Adjustable	2 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Tube

LT8609/A/B Synchronous Step-Down Regulators

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