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 (HKD) 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: HK$32.30 2,919In 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	2,919In Stock	Cut Tape HK$32.30 HK$24.41 HK$22.44 HK$20.22 View Reel HK$16.60 HK$19.23 HK$19.07 HK$16.60 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: HK$32.30 2,925In 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	2,925In Stock	Cut Tape HK$32.30 HK$24.33 HK$22.36 HK$20.22 View Reel HK$17.10 HK$19.15 HK$18.99 HK$18.41 HK$17.10 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: HK$35.59 3,501In 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	3,501In Stock	Cut Tape HK$35.59 HK$26.96 HK$24.82 HK$22.44 View Reel HK$19.73 HK$21.29 HK$19.97 HK$19.73 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: HK$37.57 2,909In 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	2,909In Stock	Cut Tape HK$37.57 HK$28.52 HK$26.22 HK$23.76 View Reel HK$20.22 HK$22.61 HK$22.52 HK$21.21 HK$20.22 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: HK$40.11 52In Stock 3,000Expected 14/12/2026	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	52In Stock 3,000Expected 14/12/2026	Cut Tape HK$40.11 HK$30.50 HK$28.11 HK$24.25 Reel HK$22.11 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: HK$42.50 15In Stock 3,000Expected 7/1/2027	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	15In Stock 3,000Expected 7/1/2027	Cut Tape HK$42.50 HK$32.39 HK$29.10 HK$26.30 View Reel HK$22.11 HK$25.73 HK$24.25 HK$22.11 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: HK$34.52 7,891On 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	7,891On Order On Order Ship Dates Mfr. No: LMQ66430R5RXBR Stock: 0 On Order: 1,891 Expected 1/1/2027 6,000 Expected 28/5/2027 Factory Lead Time: 26 Weeks	Cut Tape HK$34.52 HK$26.14 HK$24.08 HK$21.78 View Reel HK$18.74 HK$20.63 HK$20.55 HK$18.74 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: HK$37.98 9,000Expected 28/5/2027	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	9,000Expected 28/5/2027	Cut Tape HK$37.98 HK$28.69 HK$26.39 HK$23.84 View Reel HK$20.55 HK$22.69 HK$22.61 HK$20.55 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: HK$37.57 12,039On Order	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	12,039On Order On Order Ship Dates Mfr. No: LMQ66430MC5RXBRQ1 Stock: 0 On Order: 39 Expected 28/12/2026 6,000 Expected 17/6/2027 6,000 Expected 24/6/2027 Factory Lead Time: 26 Weeks	Cut Tape HK$37.57 HK$28.52 HK$26.22 HK$23.76 HK$22.61 Reel HK$20.55 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: HK$37.57 2,993Expected 11/3/2027	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 11/3/2027	Cut Tape HK$37.57 HK$28.52 HK$26.22 HK$23.76 HK$22.61 Reel HK$20.55 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: HK$32.39 2,955Expected 18/2/2027	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	2,955Expected 18/2/2027	Cut Tape HK$32.39 HK$24.41 HK$22.44 HK$20.22 HK$19.32 Reel HK$19.15 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: HK$41.18 1,321Expected 18/2/2027	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 18/2/2027	Cut Tape HK$41.18 HK$31.07 HK$28.52 HK$25.81 HK$24.41 Reel HK$24.41 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: HK$28.61 2,931Expected 2/8/2027	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	2,931Expected 2/8/2027	Cut Tape HK$28.61 HK$21.54 HK$19.73 HK$19.32 Reel HK$19.32 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: HK$32.96 499Expected 20/5/2027	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	499Expected 20/5/2027	Cut Tape HK$32.96 HK$24.91 HK$22.85 HK$20.63 View Reel HK$17.10 HK$19.56 HK$19.07 HK$18.41 HK$17.10 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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