Voltage Regulators - Switching Regulators

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LMR36503/LMR36503-Q1 65V 0.3A Buck Converter

Texas Instruments LMR36503/LMR36503-Q1 65V 0.3A Buck Converter is a small 65V, 0.3A synchronous step-down DC/DC converter in a 2mm x 2mm HotRod™ package. This easy-to-use converter can handle input voltage transients up to 70V, provide excellent EMI performance, and support fixed 3.3V, 5V, and other adjustable output voltages.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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 3-V to 65-V 0.6-A u ltra-small synchrono LMR36506RF3RPER Texas Instruments 1: S/ 18.80 12,132In Stock	Mfr. Part # LMR36506RF3RPER Mouser Part # 595-LMR36506RF3RPER	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono Learn More about Texas Instruments ti lmr36506 q1 buck converter	Datasheet	12,132In Stock	Cut Tape S/ 18.80 S/ 14.29 S/ 13.16 S/ 11.95 View Reel S/ 9.85 S/ 11.37 S/ 10.98 S/ 10.67 S/ 9.85 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3.3 V	600 mA	1 Output	4 uA	400 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono LMR36503R5RPER Texas Instruments 1: S/ 17.36 10,165In Stock	Mfr. Part # LMR36503R5RPER Mouser Part # 595-LMR36503R5RPER	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	10,165In Stock	Cut Tape S/ 17.36 S/ 13.16 S/ 12.14 S/ 10.98 View Reel S/ 9.11 S/ 10.43 S/ 10.39 S/ 9.77 S/ 9.11 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	5 V	300 mA	1 Output	4 uA	400 kHz to 1 MHz	- 40 C	+ 150 C	LMR36503	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi LMR36506RS3QRPERQ1 Texas Instruments 1: S/ 21.41 10,042In Stock	Mfr. Part # LMR36506RS3QRPERQ1 Mouser Part # 595-R36506RS3QRPERQ1	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi Learn More about Texas Instruments ti lmr36506 q1 buck converter	Datasheet	10,042In Stock	Cut Tape S/ 21.41 S/ 16.31 S/ 15.06 S/ 13.62 View Reel S/ 11.60 S/ 12.96 S/ 12.57 S/ 12.42 S/ 11.60 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3.3 V	600 mA	1 Output	4 uA	400 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono LMR36506R3RPER Texas Instruments 1: S/ 19.27 1,841In Stock	Mfr. Part # LMR36506R3RPER Mouser Part # 595-LMR36506R3RPER	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	1,841In Stock	Cut Tape S/ 19.27 S/ 14.52 S/ 13.31 S/ 12.03 View Reel S/ 10.39 S/ 11.41 S/ 11.33 S/ 10.63 S/ 10.39 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3.3 V	600 mA	1 Output	4 uA	400 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono LMR36506R5RPER Texas Instruments 1: S/ 18.80 3,230In Stock	Mfr. Part # LMR36506R5RPER Mouser Part # 595-LMR36506R5RPER	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono Learn More about Texas Instruments ti lmr36506 q1 buck converter	Datasheet	3,230In Stock	Cut Tape S/ 18.80 S/ 14.29 S/ 13.16 S/ 11.95 View Reel S/ 10.08 S/ 11.37 S/ 10.67 S/ 10.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	5 V	600 mA	1 Output	4 uA	400 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono LMR36503R5URPER Texas Instruments 1: S/ 18.18 2,981In Stock	Mfr. Part # LMR36503R5URPER Mouser Part # 595-LMR36503R5URPER	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	2,981In Stock	Cut Tape S/ 18.18 S/ 13.82 S/ 12.73 S/ 11.52 View Reel S/ 9.81 S/ 10.94 S/ 10.59 S/ 9.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	5 V	300 mA	1 Output	1 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36503	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve LMR36503RS3QRPERQ1 Texas Instruments 1: S/ 20.40 5,956In Stock	Mfr. Part # LMR36503RS3QRPERQ1 Mouser Part # 595-R36503RS3QRPERQ1	Texas Instruments	Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	5,956In Stock	Cut Tape S/ 20.40 S/ 15.53 S/ 14.32 S/ 13.00 View Reel S/ 11.44 S/ 12.38 S/ 11.83 S/ 11.76 S/ 11.44 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3 V	300 mA	1 Output	4 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36503	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve LMR36503RS5QRPERQ1 Texas Instruments 1: S/ 19.85 1,200In Stock	Mfr. Part # LMR36503RS5QRPERQ1 Mouser Part # 595-R36503RS5QRPERQ1	Texas Instruments	Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	1,200In Stock	Cut Tape S/ 19.85 S/ 15.14 S/ 13.94 S/ 12.65 View Reel S/ 10.98 S/ 12.07 S/ 11.83 S/ 11.37 S/ 10.98 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3 V	300 mA	1 Output	4 uA	200 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36503	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono LMR36503RFRPER Texas Instruments 1: S/ 16.43 2,243In Stock	Mfr. Part # LMR36503RFRPER Mouser Part # 595-LMR36503RFRPER	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	2,243In Stock	Cut Tape S/ 16.43 S/ 13.97 Reel S/ 10.67 Quote Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	Adjustable	300 mA	1 Output	4 uA	400 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36503	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve LMR36503MSC3RPERQ1 Texas Instruments 1: S/ 19.85 4,070In Stock	Mfr. Part # LMR36503MSC3RPERQ1 Mouser Part # 595-R36503MSC3RPERQ1	Texas Instruments	Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	4,070In Stock	Cut Tape S/ 19.85 S/ 15.14 S/ 13.94 S/ 12.65 View Reel S/ 11.09 S/ 12.07 S/ 11.83 S/ 11.76 S/ 11.09 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3.3 V	300 mA	1 Output	4 uA	2.2 MHz	- 40 C	+ 150 C	LMR36503	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve LMR36503MSCQRPERQ1 Texas Instruments 1: S/ 20.20 1,528In Stock 3,000Expected 3/9/2027	Mfr. Part # LMR36503MSCQRPERQ1 Mouser Part # 595-R36503MSCQRPERQ1	Texas Instruments	Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	1,528In Stock 3,000Expected 3/9/2027	Cut Tape S/ 20.20 S/ 15.41 S/ 14.21 S/ 12.88 View Reel S/ 11.44 S/ 12.22 S/ 11.83 S/ 11.72 S/ 11.44 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	Adjustable	300 mA	1 Output	4 uA	2.2 MHz	- 40 C	+ 150 C	LMR36503	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono LMR36506RFRPER Texas Instruments 1: S/ 18.80 236In Stock 6,000Expected 12/28/2026	Mfr. Part # LMR36506RFRPER Mouser Part # 595-LMR36506RFRPER	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono Learn More about Texas Instruments ti lmr36506 q1 buck converter	Datasheet	236In Stock 6,000Expected 12/28/2026	Cut Tape S/ 18.80 S/ 14.29 S/ 13.16 S/ 11.95 View Reel S/ 10.08 S/ 11.37 S/ 11.33 S/ 10.67 S/ 10.08 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	1 V to 60 V	600 mA	1 Output	4 uA	400 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono LMR36506RRPER Texas Instruments 1: S/ 19.19 53In Stock 3,000Expected 2/8/2027	Mfr. Part # LMR36506RRPER Mouser Part # 595-LMR36506RRPER	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A u ltra-small synchrono Learn More about Texas Instruments ti lmr36506 q1 buck converter	Datasheet	53In Stock 3,000Expected 2/8/2027	Cut Tape S/ 19.19 S/ 14.60 S/ 13.43 S/ 12.18 View Reel S/ 9.69 S/ 11.60 S/ 9.69 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	1 V to 60 V	600 mA	1 Output	4 uA	400 kHz to 2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve LMR36503MSC5RPERQ1 Texas Instruments 1: S/ 19.62 18In Stock 3,000Expected 2/8/2027	Mfr. Part # LMR36503MSC5RPERQ1 Mouser Part # 595-R36503MSC5RPERQ1	Texas Instruments	Switching Voltage Regulators Automotive 3-V to 65 -V 0.3-A buck conve Learn More about Texas Instruments ti lmr36503 q1 buck converter	Datasheet	18In Stock 3,000Expected 2/8/2027	Cut Tape S/ 19.62 S/ 14.95 S/ 13.78 S/ 12.49 View Reel S/ 10.32 S/ 11.87 S/ 11.52 S/ 11.37 S/ 10.32 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	5 V	300 mA	1 Output	4 uA	2.2 MHz	- 40 C	+ 150 C	LMR36503	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi LMR36506MSCQRPERQ1 Texas Instruments 1: S/ 22.27 45In Stock 6,000Expected 2/5/2027	Mfr. Part # LMR36506MSCQRPERQ1 Mouser Part # 595-R36506MSCQRPERQ1	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi Learn More about Texas Instruments ti lmr36506 q1 buck converter	Datasheet	45In Stock 6,000Expected 2/5/2027	Cut Tape S/ 22.27 S/ 17.01 S/ 15.69 S/ 13.78 View Reel S/ 11.99 S/ 13.16 S/ 12.92 S/ 12.85 S/ 11.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	Adjustable	600 mA	1 Output	4 uA	2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi LMR36506MSC3RPERQ1 Texas Instruments 1: S/ 21.41 6,000Expected 2/8/2027	Mfr. Part # LMR36506MSC3RPERQ1 Mouser Part # 595-R36506MSC3RPERQ1	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi Learn More about Texas Instruments ti lmr36506 q1 buck converter	Datasheet	6,000Expected 2/8/2027	Cut Tape S/ 21.41 S/ 16.31 S/ 15.06 S/ 13.62 View Reel S/ 11.99 S/ 12.96 S/ 12.57 S/ 12.42 S/ 11.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	3.3 V	600 mA	1 Output	4 uA	2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi LMR36506MSC5RPERQ1 Texas Instruments 1: S/ 21.41 9,623On Order	Mfr. Part # LMR36506MSC5RPERQ1 Mouser Part # 595-R36506MSC5RPERQ1	Texas Instruments	Switching Voltage Regulators 3-V to 65-V 0.6-A b uck converter optimi Learn More about Texas Instruments ti lmr36506 q1 buck converter	Datasheet	9,623On Order On Order Ship Dates Mfr. #: LMR36506MSC5RPERQ1 Stock: 0 On Order: 3,623 Expected 1/7/2027 6,000 Expected 2/1/2027 Factory Lead-Time: 20 Weeks	Cut Tape S/ 21.41 S/ 16.31 S/ 15.06 S/ 13.62 View Reel S/ 12.11 S/ 12.96 S/ 12.57 S/ 12.42 S/ 12.11 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	VQFN-HR-9	Buck	5 V	600 mA	1 Output	4 uA	2.2 MHz	- 40 C	+ 150 C	LMR36506	Reel, Cut Tape, MouseReel

LMR36503/LMR36503-Q1 65V 0.3A Buck Converter

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