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 (CHF) 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 LT8609AJMSE16#TRPBF Analog Devices 1: CHF 8.11 2’500In Stock	Mfr. Part No. LT8609AJMSE16#TRPBF Mouser Part No 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 CHF 8.11 CHF 6.30 CHF 5.85 CHF 5.36 View Reel CHF 4.59 CHF 5.09 CHF 4.98 CHF 4.86 CHF 4.59 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: CHF 8.58 3’077In Stock	Mfr. Part No. LT8609AHMSE#PBF Mouser Part No 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	3’077In Stock	CHF 8.58 CHF 6.70 CHF 6.22 CHF 5.70 View CHF 5.42 CHF 5.31 CHF 5.19	Min.: 1 Mult.: 1 Max.: 2’461	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 LT8609AIMSE#PBF Analog Devices 1: CHF 7.97 2’529In Stock 6’200On Order	Mfr. Part No. LT8609AIMSE#PBF Mouser Part No 584-LT8609AIMSE#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	2’529In Stock 6’200On Order	CHF 7.97 CHF 6.20 CHF 5.75 CHF 5.26 View CHF 4.99 CHF 4.90 CHF 4.78	Min.: 1 Mult.: 1 Max.: 2’023	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 LT8609EMSE#PBF Analog Devices 1: CHF 7.34 31’260In Stock	Mfr. Part No. LT8609EMSE#PBF Mouser Part No 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	31’260In Stock	CHF 7.34 CHF 5.68 CHF 5.26 CHF 4.81 View CHF 4.60 CHF 4.46 CHF 4.34 CHF 4.12	Min.: 1 Mult.: 1 Max.: 25’008	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 LT8609AEDDM-5#TRPBF Analog Devices 1: CHF 7.33 8’540In Stock	Mfr. Part No. LT8609AEDDM-5#TRPBF Mouser Part No 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	8’540In Stock	Cut Tape CHF 7.33 CHF 5.67 CHF 5.26 CHF 4.80 View Reel CHF 4.11 CHF 4.59 CHF 4.46 CHF 4.34 CHF 4.11 MouseReel Available	Min.: 1 Mult.: 1 Max.: 6’872 : 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 LT8609AHDDM-5#PBF Analog Devices 1: CHF 9.39 290In Stock	Mfr. Part No. LT8609AHDDM-5#PBF Mouser Part No 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	CHF 9.39 CHF 7.35 CHF 6.84 CHF 6.29	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: CHF 7.64 300In Stock 50On Order	Mfr. Part No. LT8609BIMSE#PBF Mouser Part No 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	CHF 7.64 CHF 5.94 CHF 5.26 CHF 5.05	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 LT8609AJMSE16#PBF Analog Devices 1: CHF 8.11 693In Stock	Mfr. Part No. LT8609AJMSE16#PBF Mouser Part No 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	CHF 8.11 CHF 6.30 CHF 5.85 CHF 5.35 View CHF 5.08 CHF 4.97	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: CHF 7.11 1’994In Stock	Mfr. Part No. LT8609AEDDM-5#PBF Mouser Part No 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	CHF 7.11 CHF 5.49 CHF 5.08 CHF 4.63 View CHF 4.29 CHF 4.28 CHF 4.15	Min.: 1 Mult.: 1 Max.: 1’631	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: CHF 7.97 1’397In Stock 5’950On Order	Mfr. Part No. LT8609IMSE#PBF Mouser Part No 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	CHF 7.97 CHF 6.20 CHF 5.75 CHF 5.26 View CHF 4.99 CHF 4.90 CHF 4.78	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#PBF Analog Devices 1: CHF 7.80 1’066In Stock	Mfr. Part No. LT8609AIMSE16#PBF Mouser Part No 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	CHF 7.80 CHF 6.07 CHF 5.63 CHF 5.15 View CHF 4.89 CHF 4.79	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 LT8609AHDDM-5#TRPBF Analog Devices 1: CHF 9.39 622In Stock	Mfr. Part No. LT8609AHDDM-5#TRPBF Mouser Part No 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 CHF 9.39 CHF 7.35 CHF 6.84 CHF 6.29 View CHF 6.22 CHF 5.86 CHF 5.86 MouseReel Available	Min.: 1 Mult.: 1 Max.: 597	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 LT8609AHMSE16#PBF Analog Devices 1: CHF 8.56 429In Stock	Mfr. Part No. LT8609AHMSE16#PBF Mouser Part No 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	429In Stock	CHF 8.56 CHF 6.69 CHF 6.06 CHF 5.66 CHF 5.42	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 LT8609AIMSE16#TRPBF Analog Devices 1: CHF 7.80 2’030In Stock	Mfr. Part No. LT8609AIMSE16#TRPBF Mouser Part No 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 CHF 7.80 CHF 6.07 CHF 5.63 CHF 5.16 View CHF 4.90 CHF 4.80 CHF 4.69 CHF 4.69 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 LT8609HMSE#PBF Analog Devices 1: CHF 8.58 1’634In Stock	Mfr. Part No. LT8609HMSE#PBF Mouser Part No 584-LT8609HMSE#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	1’634In Stock	CHF 8.58 CHF 6.70 CHF 6.22 CHF 5.70 View CHF 5.42 CHF 5.31 CHF 5.19	Min.: 1 Mult.: 1 Max.: 1’307	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 LT8609AEDDM#TRPBF Analog Devices 1: CHF 7.01 4’860In Stock	Mfr. Part No. LT8609AEDDM#TRPBF Mouser Part No 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	4’860In Stock	Cut Tape CHF 7.01 CHF 5.44 CHF 5.04 CHF 4.61 View Reel CHF 3.99 CHF 4.29 CHF 4.16 CHF 3.99 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3’888 : 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 LT8609AEDDM-3.3#PBF Analog Devices 1: CHF 7.11 1’591In Stock	Mfr. Part No. LT8609AEDDM-3.3#PBF Mouser Part No 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	CHF 7.11 CHF 5.49 CHF 5.08 CHF 4.63 View CHF 4.29 CHF 4.28 CHF 4.15	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: CHF 8.11 2’087In Stock	Mfr. Part No. LT8609AJMSE#TRPBF Mouser Part No 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 CHF 8.11 CHF 6.30 CHF 5.85 CHF 5.36 CHF 5.15 CHF 5.15 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1’671	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 LT8609AJDDM#TRPBF Analog Devices 1: CHF 8.66 3’323In Stock	Mfr. Part No. LT8609AJDDM#TRPBF Mouser Part No 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	3’323In Stock	Cut Tape CHF 8.66 CHF 6.76 CHF 6.28 CHF 5.77 CHF 5.52 Reel CHF 4.82 MouseReel Available	Min.: 1 Mult.: 1 Max.: 2’660 : 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: CHF 8.66 1’323In Stock	Mfr. Part No. LT8609AJDDM-5#TRPBF Mouser Part No 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 CHF 8.66 CHF 6.76 CHF 6.28 CHF 5.77 CHF 5.52 CHF 5.52 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 LT8609IMSE#TRPBF Analog Devices 1: CHF 7.97 5’775In Stock	Mfr. Part No. LT8609IMSE#TRPBF Mouser Part No 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 CHF 7.97 CHF 6.20 CHF 5.76 CHF 5.27 CHF 5.06 Reel CHF 4.39 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 LT8609SEV#TRPBF Analog Devices 1: CHF 7.80 9’969In Stock	Mfr. Part No. LT8609SEV#TRPBF Mouser Part No 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	9’969In Stock	Cut Tape CHF 7.80 CHF 6.07 CHF 5.63 CHF 5.16 CHF 4.96 Reel CHF 4.30 MouseReel Available	Min.: 1 Mult.: 1 Max.: 7’975 : 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 LT8609SEV#PBF Analog Devices 1: CHF 7.78 2’978In Stock	Mfr. Part No. LT8609SEV#PBF Mouser Part No 584-LT8609SEVPBF	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	2’978In Stock	CHF 7.78 CHF 6.07 CHF 5.63 CHF 5.15 View CHF 4.90 CHF 4.75 CHF 4.64	Min.: 1 Mult.: 1 Max.: 2’422	SMD/SMT	QFN-16	Buck	Adjustable	2 A	1 Output	2.5 uA	200 kHz to 2.2 MHz	- 40 C	+ 125 C	LT8609	Tray
Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5 A LT8609AEMSE16#PBF Analog Devices 1: CHF 7.15 70In Stock	Mfr. Part No. LT8609AEMSE16#PBF Mouser Part No 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	CHF 7.15 CHF 5.54 CHF 5.14 CHF 4.69 View CHF 4.47 CHF 4.34 CHF 4.23 CHF 4.01	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: CHF 6.85 957In Stock	Mfr. Part No. LT8609AEMSE16#TRPBF Mouser Part No 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 CHF 6.85 CHF 5.31 CHF 4.91 CHF 4.49 CHF 4.18 CHF 4.18 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

LT8609/A/B Synchronous Step-Down Regulators

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