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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 (KRW) 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 Automotive 36-V 1- A low-EMI synchronou LMQ66410MA3RXBRQ1 Texas Instruments 1: ₩5,538.2 2,919In 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	2,919In Stock	Cut Tape ₩5,538.2 ₩4,185.3 ₩3,847.1 ₩3,466.6 View Reel ₩2,846.6 ₩3,297.5 ₩3,269.3 ₩2,846.6 MouseReel Available	Min.: 1 Mult.: 1 : 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: ₩5,538.2 2,925In 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	2,925In Stock	Cut Tape ₩5,538.2 ₩4,171.2 ₩3,833 ₩3,466.6 View Reel ₩2,931.1 ₩3,283.4 ₩3,255.3 ₩3,156.6 ₩2,931.1 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 36-V 2-A low-EMI sy nchronous step-down LMQ66420R5RXBR Texas Instruments 1: ₩6,101.8 3,501In 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	3,501In Stock	Cut Tape ₩6,101.8 ₩4,622.2 ₩4,255.8 ₩3,847.1 View Reel ₩3,382.1 ₩3,649.8 ₩3,424.4 ₩3,382.1 Quote 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 3-A low EMI synchronous LMQ66430MA5RXBRQ1 Texas Instruments 1: ₩6,440 2,909In 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	2,909In Stock	Cut Tape ₩6,440 ₩4,889.9 ₩4,495.3 ₩4,072.6 View Reel ₩3,466.6 ₩3,875.3 ₩3,861.2 ₩3,635.7 ₩3,466.6 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 2- A low-EMI synchronou LMQ66420MC3RXBRQ1 Texas Instruments 1: ₩6,876.9 52In Stock 3,000Expected 12/14/2026	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	52In Stock 3,000Expected 12/14/2026	Cut Tape ₩6,876.9 ₩5,228.1 ₩4,819.5 ₩4,157.1 Reel ₩3,790.7 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: ₩7,285.6 15In Stock 3,000Expected 1/7/2027	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 1/7/2027	Cut Tape ₩7,285.6 ₩5,552.2 ₩4,988.6 ₩4,509.4 View Reel ₩3,790.7 ₩4,410.8 ₩4,157.1 ₩3,790.7 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: ₩5,918.6 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 1/1/2027 6,000 Expected 5/28/2027 Factory Lead-Time: 26 Weeks	Cut Tape ₩5,918.6 ₩4,481.3 ₩4,129 ₩3,734.4 View Reel ₩3,213 ₩3,537.1 ₩3,523 ₩3,213 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: ₩6,510.5 9,000Expected 5/28/2027	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	9,000Expected 5/28/2027	Cut Tape ₩6,510.5 ₩4,918.1 ₩4,523.5 ₩4,086.7 View Reel ₩3,523 ₩3,889.4 ₩3,875.3 ₩3,523 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: ₩6,440 12,039On 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	12,039On Order On Order Ship Dates Mfr. #: LMQ66430MC5RXBRQ1 Stock: 0 On Order: 39 Expected 12/28/2026 6,000 Expected 6/17/2027 6,000 Expected 6/24/2027 Factory Lead-Time: 26 Weeks	Cut Tape ₩6,440 ₩4,889.9 ₩4,495.3 ₩4,072.6 ₩3,875.3 Reel ₩3,523 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: ₩6,440 2,993Expected 3/11/2027	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 3/11/2027	Cut Tape ₩6,440 ₩4,889.9 ₩4,495.3 ₩4,072.6 ₩3,875.3 Reel ₩3,523 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 1- A low-EMI synchronou LMQ66410MC3RXBRQ1 Texas Instruments 1: ₩5,552.2 2,955Expected 2/18/2027	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 2/18/2027	Cut Tape ₩5,552.2 ₩4,185.3 ₩3,847.1 ₩3,466.6 ₩3,311.6 Reel ₩3,283.4 MouseReel Available	Min.: 1 Mult.: 1 : 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 LMQ66420MA3RXBRQ1 Texas Instruments 1: ₩7,060.1 1,321Expected 2/18/2027	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 2/18/2027	Cut Tape ₩7,060.1 ₩5,326.8 ₩4,889.9 ₩4,424.9 ₩4,185.3 Reel ₩4,185.3 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 LMQ66420MC5RXBRQ1 Texas Instruments 1: ₩4,904 2,931Expected 8/2/2027	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	2,931Expected 8/2/2027	Cut Tape ₩4,904 ₩3,692.1 ₩3,382.1 ₩3,311.6 Reel ₩3,311.6 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: ₩5,650.9 499Expected 5/20/2027	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	499Expected 5/20/2027	Cut Tape ₩5,650.9 ₩4,269.9 ₩3,917.6 ₩3,537.1 View Reel ₩2,931.1 ₩3,353.9 ₩3,269.3 ₩3,156.6 ₩2,931.1 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

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LMQ664x0/LMQ664x0-Q1 Step-Down Converters

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