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 (EUR) 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 3-A low EMI synchronous LMQ66430MC3RXBRQ1 Texas Instruments 1: € 4,00 6 817In Stock	Mfr. Part No. LMQ66430MC3RXBRQ1 Mouser Part No 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	6 817In Stock	Cut Tape € 4,00 € 3,01 € 2,77 € 2,49 View Reel € 2,16 € 2,37 € 2,36 € 2,21 € 2,16 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 36-V 2-A low-EMI sy nchronous step-down LMQ66420R5RXBR Texas Instruments 1: € 3,29 3 521In Stock	Mfr. Part No. LMQ66420R5RXBR Mouser Part No 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 521In Stock	Cut Tape € 3,29 € 2,48 € 2,28 € 2,06 Reel € 1,81 View € 1,95 € 1,94 € 1,88 € 1,72 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: € 2,98 1 021In Stock	Mfr. Part No. LMQ66410MC5RXBRQ1 Mouser Part No 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 021In Stock	Cut Tape € 2,98 € 2,24 € 2,06 € 1,86 Reel € 1,57 View € 1,75 € 1,74 € 1,69 € 1,55 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: € 2,98 2 927In Stock	Mfr. Part No. LMQ66410MA3RXBRQ1 Mouser Part No 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 € 2,98 € 2,24 € 2,06 € 1,86 View Reel € 1,65 € 1,75 € 1,74 € 1,65 € 1,65 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: € 2,98 2 990In Stock	Mfr. Part No. LMQ66410MA5RXBRQ1 Mouser Part No 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 990In Stock	Cut Tape € 2,98 € 2,24 € 2,06 € 1,86 Reel € 1,57 View € 1,75 € 1,74 € 1,69 € 1,55 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 LMQ66430MA3RXBRQ1 Texas Instruments 1: € 3,93 2 993Expected 12/01/2027	Mfr. Part No. LMQ66430MA3RXBRQ1 Mouser Part No 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 12/01/2027	Cut Tape € 3,93 € 2,98 € 2,74 € 2,49 View Reel € 2,12 € 2,37 € 2,36 € 2,28 € 2,12 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 3-A low EMI synchronous LMQ66430MA5RXBRQ1 Texas Instruments 1: € 3,93 2 911In Stock	Mfr. Part No. LMQ66430MA5RXBRQ1 Mouser Part No 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 € 3,93 € 2,98 € 2,74 € 2,49 View Reel € 2,12 € 2,37 € 2,36 € 2,22 € 2,12 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: € 2,82 2 648In Stock	Mfr. Part No. LMQ66410MC3RXBRQ1 Mouser Part No 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 648In Stock	Cut Tape € 2,82 € 2,40 Reel € 2,40 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: € 3,75 2 313In Stock	Mfr. Part No. LMQ66420MC5RXBRQ1 Mouser Part No 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 313In Stock	Cut Tape € 3,75 € 2,83 € 2,60 € 2,35 € 2,24 Reel € 1,90 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: € 3,70 112In Stock 3 000Expected 05/11/2026	Mfr. Part No. LMQ66420MC3RXBRQ1 Mouser Part No 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	112In Stock 3 000Expected 05/11/2026	Cut Tape € 3,70 € 2,80 € 2,58 € 2,33 View Reel € 1,99 € 2,22 € 2,21 € 2,13 € 1,99 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 36-V 3-A low-EMI sy nchronous step-down LMQ66430R5RXBR Texas Instruments 1: € 3,19 39In Stock 9 000On Order	Mfr. Part No. LMQ66430R5RXBR Mouser Part No 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	39In Stock 9 000On Order On Order Ship Dates Mfr. No: LMQ66430R5RXBR Stock: 39 Can Dispatch Immediately On Order: 3 000 Expected 19/11/2026 6 000 Expected 31/12/2026 Factory Lead Time: 9 Weeks	Cut Tape € 3,19 € 2,41 € 2,26 € 2,00 Reel € 1,69 View € 1,89 € 1,87 € 1,82 € 1,67 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 2- A low-EMI synchronou LMQ66420MA5RXBRQ1 Texas Instruments 1: € 3,83 1In Stock 3 000Expected 23/11/2026	Mfr. Part No. LMQ66420MA5RXBRQ1 Mouser Part No 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	1In Stock 3 000Expected 23/11/2026	Cut Tape € 3,83 € 2,89 € 2,66 € 2,40 View Reel € 1,99 € 2,28 € 2,27 € 2,19 € 1,99 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 Automotive 36-V 2- A low-EMI synchronou LMQ66420MA3RXBRQ1 Texas Instruments 1: € 3,75 1 321Expected 31/12/2026	Mfr. Part No. LMQ66420MA3RXBRQ1 Mouser Part No 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 31/12/2026	Cut Tape € 3,75 € 2,83 € 2,60 € 2,35 View Reel € 2,06 € 2,23 € 2,21 € 2,07 € 2,06 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 3-A low EMI synchronous LMQ66430MC5RXBRQ1 Texas Instruments 1: € 3,93 2 991Expected 10/12/2026	Mfr. Part No. LMQ66430MC5RXBRQ1 Mouser Part No 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	2 991Expected 10/12/2026	Cut Tape € 3,93 € 2,98 € 2,74 € 2,49 View Reel € 2,12 € 2,37 € 2,36 € 2,28 € 2,12 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

LMQ664x0/LMQ664x0-Q1 Step-Down Converters

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