Voltage Regulators - Switching Regulators

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LMQ664x0/LMQ664x0-Q1 Step-Down Converters

Texas Instruments LMQ664x0/LMQ664x0-Q1 Synchronous Step-Down Converter is a small 36V, 3A (available in 2A and 1A variants) synchronous step-down DC/DC converter with an integrated bypass and bootstrap capacitor. These come in an enhanced HotRod™ QFN package. This easy-to-use converter supports a wide input voltage range of 2.7V to 36V (after start-up or after operating) with transients up to 42V.

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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 36-V 2-A low-EMI sy nchronous step-down LMQ66420R5RXBR Texas Instruments 1: ¥634.5 3,503In Stock	Mfr. Part # LMQ66420R5RXBR Mouser Part # 595-LMQ66420R5RXBR	Texas Instruments	Switching Voltage Regulators 36-V 2-A low-EMI sy nchronous step-down Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	3,503In Stock	Cut Tape ¥634.5 ¥478.4 ¥440.2 ¥397 Reel ¥348.8 View ¥377 ¥373.7 ¥363.8 ¥332.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	5 V	2 A	1 Output	250 nA	2.2 MHz	- 40 C	+ 150 C	LMQ66420	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 1- A low-EMI synchronou LMQ66410MC5RXBRQ1 Texas Instruments 1: ¥654.4 1,062In Stock	Mfr. Part # LMQ66410MC5RXBRQ1 Mouser Part # 595-MQ66410MC5RXBRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 1- A low-EMI synchronou Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	1,062In Stock	Cut Tape ¥654.4 ¥493.3 ¥453.5 ¥408.6 ¥390.3 Reel ¥330.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	5 V	1 A	1 Output	250 nA	2.2 MHz	- 40 C	+ 150 C	LMQ66410	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 1- A low-EMI synchronou LMQ66410MA3RXBRQ1 Texas Instruments 1: ¥654.4 2,927In Stock	Mfr. Part # LMQ66410MA3RXBRQ1 Mouser Part # 595-LMQ66410MA3RXRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 1- A low-EMI synchronou Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	2,927In Stock	Cut Tape ¥654.4 ¥493.3 ¥453.5 ¥408.6 ¥390.3 Reel ¥390.3 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	3.3 V	1 A	1 Output	1 uA	400 kHz	- 40 C	+ 150 C	LMQ66410	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 1- A low-EMI synchronou LMQ66410MA5RXBRQ1 Texas Instruments 1: ¥652.8 2,986In Stock	Mfr. Part # LMQ66410MA5RXBRQ1 Mouser Part # 595-LMQ66410MA5RXRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 1- A low-EMI synchronou Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	2,986In Stock	Cut Tape ¥652.8 ¥491.7 ¥451.8 ¥406.9 View Reel ¥352.1 ¥387 ¥383.7 ¥360.4 ¥352.1 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	5 V, 1 V to 18 V	1 A	1 Output	2 uA	400 kHz	- 40 C	+ 150 C	LMQ66410	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 3-A low EMI synchronous LMQ66430MA5RXBRQ1 Texas Instruments 1: ¥759.1 2,911In Stock	Mfr. Part # LMQ66430MA5RXBRQ1 Mouser Part # 595-LMQ66430MA5RXRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 3-A low EMI synchronous Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	2,911In Stock	Cut Tape ¥759.1 ¥576.4 ¥529.9 ¥480 View Reel ¥408.6 ¥456.8 ¥455.1 ¥428.5 ¥408.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	5 V, 1 V to 18 V	3 A	1 Output	2 uA	2.2 MHz	- 40 C	+ 150 C	LMQ66430	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 1- A low-EMI synchronou LMQ66410MC3RXBRQ1 Texas Instruments 1: ¥654.4 2,955Expected 3/5/2027	Mfr. Part # LMQ66410MC3RXBRQ1 Mouser Part # 595-MQ66410MC3RXBRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 1- A low-EMI synchronou Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	2,955Expected 3/5/2027	Cut Tape ¥654.4 ¥493.3 ¥453.5 ¥408.6 ¥390.3 Reel ¥390.3 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	3.3 V	1 A	1 Output	250 nA	2.2 MHz	- 40 C	+ 150 C	LMQ66410	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 2- A low-EMI synchronou LMQ66420MC5RXBRQ1 Texas Instruments 1: ¥578 2,287In Stock	Mfr. Part # LMQ66420MC5RXBRQ1 Mouser Part # 595-MQ66420MC5RXBRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 2- A low-EMI synchronou Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	2,287In Stock	Cut Tape ¥578 ¥435.2 ¥398.6 ¥390.3 Reel ¥390.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	5 V	2 A	1 Output	250 nA	2.2 MHz	- 40 C	+ 150 C	LMQ66420	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 2- A low-EMI synchronou LMQ66420MC3RXBRQ1 Texas Instruments 1: ¥714.2 99In Stock 3,000Expected 12/10/2026	Mfr. Part # LMQ66420MC3RXBRQ1 Mouser Part # 595-MQ66420MC3RXBRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 2- A low-EMI synchronou Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	99In Stock 3,000Expected 12/10/2026	Cut Tape ¥714.2 ¥541.5 ¥498.3 ¥450.1 View Reel ¥390.3 ¥428.5 ¥426.9 ¥390.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	3.3 V	2 A	1 Output	250 nA	2.2 MHz	- 40 C	+ 150 C	LMQ66420	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 2- A low-EMI synchronou LMQ66420MA5RXBRQ1 Texas Instruments 1: ¥830.5 15In Stock 3,000Expected 1/14/2027	Mfr. Part # LMQ66420MA5RXBRQ1 Mouser Part # 595-LMQ66420MA5RXRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 2- A low-EMI synchronou Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	15In Stock 3,000Expected 1/14/2027	Cut Tape ¥830.5 ¥626.2 ¥574.7 ¥519.9 View Reel ¥448.5 ¥491.7 ¥488.3 ¥458.4 ¥448.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	5 V, 1 V to 18 V	2 A	1 Output	2 uA	400 kHz	- 40 C	+ 150 C	LMQ66420	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 36-V 3-A low-EMI sy nchronous step-down LMQ66430R5RXBR Texas Instruments 1: ¥639.5 7,891On Order	Mfr. Part # LMQ66430R5RXBR Mouser Part # 595-LMQ66430R5RXBR	Texas Instruments	Switching Voltage Regulators 36-V 3-A low-EMI sy nchronous step-down Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	7,891On Order On Order Ship Dates Mfr. #: LMQ66430R5RXBR Stock: 0 On Order: 1,891 Expected 1/8/2027 6,000 Expected 2/25/2027 Factory Lead-Time: 12 Weeks	Cut Tape ¥639.5 ¥476.7 ¥436.8 ¥385.4 View Reel ¥332.2 ¥365.4 ¥362.1 ¥332.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	1 V to 35 V	3 A	1 Output	3 uA	2.2 MHz	- 40 C	+ 125 C	LMQ66430	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 3-A low EMI synchronous LMQ66430MC3RXBRQ1 Texas Instruments 1: ¥772.4 9,000On Order	Mfr. Part # LMQ66430MC3RXBRQ1 Mouser Part # 595-MQ66430MC3RXBRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 3-A low EMI synchronous Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	9,000On Order On Order Ship Dates Mfr. #: LMQ66430MC3RXBRQ1 Stock: 0 On Order: 3,000 Expected 3/25/2027 6,000 Expected 4/1/2027 Factory Lead-Time: 20 Weeks	Cut Tape ¥772.4 ¥581.4 ¥534.8 ¥481.7 View Reel ¥416.9 ¥458.4 ¥455.1 ¥426.9 ¥416.9 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	1 V to 35 V	3 A	1 Output	3 uA	2.2 MHz	- 40 C	+ 150 C	LMQ66430	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 3-A low EMI synchronous LMQ66430MC5RXBRQ1 Texas Instruments 1: ¥759.1 6,039On Order	Mfr. Part # LMQ66430MC5RXBRQ1 Mouser Part # 595-MQ66430MC5RXBRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 3-A low EMI synchronous Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	6,039On Order On Order Ship Dates Mfr. #: LMQ66430MC5RXBRQ1 Stock: 0 On Order: 39 Expected 1/21/2027 6,000 Expected 3/29/2027 Factory Lead-Time: 20 Weeks	Cut Tape ¥759.1 ¥576.4 ¥529.9 ¥480 View Reel ¥408.6 ¥456.8 ¥455.1 ¥440.2 ¥408.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	5 V	3 A	1 Output	1.6 uA	2.2 MHz	- 40 C	+ 150 C	LMQ66430	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 3-A low EMI synchronous LMQ66430MA3RXBRQ1 Texas Instruments 1: ¥759.1 2,993Expected 3/20/2028	Mfr. Part # LMQ66430MA3RXBRQ1 Mouser Part # 595-LMQ66430MA3RXRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 3-A low EMI synchronous Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	2,993Expected 3/20/2028	Cut Tape ¥759.1 ¥576.4 ¥529.9 ¥480 View Reel ¥408.6 ¥456.8 ¥455.1 ¥440.2 ¥408.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	3.3 V, 1 V to 18 V	3 A	1 Output	1.5 uA	2.2 MHz	- 40 C	+ 150 C	LMQ66430	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 36-V 2- A low-EMI synchronou LMQ66420MA3RXBRQ1 Texas Instruments 1: ¥724.2 1,321Expected 2/8/2027	Mfr. Part # LMQ66420MA3RXBRQ1 Mouser Part # 595-MQ66420MA3RXBRQ1	Texas Instruments	Switching Voltage Regulators Automotive 36-V 2- A low-EMI synchronou Learn More about Texas Instruments ti lmq664x0 step down converter	Datasheet	1,321Expected 2/8/2027	Cut Tape ¥724.2 ¥546.5 ¥501.6 ¥453.5 View Reel ¥415.3 ¥430.2 ¥426.9 ¥415.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-FCRLF-EP-14	Buck	3.3 V	2 A	1 Output	250 nA	2.2 MHz	- 40 C	+ 150 C	LMQ66420	Reel, Cut Tape, MouseReel

LMQ664x0/LMQ664x0-Q1 Step-Down Converters

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