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 (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 3-V to 65-V 0.6-A u ltra-small synchrono LMR36506RF3RPER Texas Instruments 1: ¥802.3 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 ¥802.3 ¥609.6 ¥561.4 ¥509.9 View Reel ¥420.2 ¥485 ¥468.4 ¥455.1 ¥420.2 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: ¥740.8 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 ¥740.8 ¥561.4 ¥518.2 ¥468.4 View Reel ¥388.7 ¥445.1 ¥443.5 ¥416.9 ¥388.7 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: ¥913.6 10,041In 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	10,041In Stock	Cut Tape ¥913.6 ¥696 ¥642.8 ¥581.4 View Reel ¥495 ¥553.1 ¥536.5 ¥529.9 ¥495 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 LMR36506R5RPER Texas Instruments 1: ¥802.3 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 ¥802.3 ¥609.6 ¥561.4 ¥509.9 View Reel ¥430.2 ¥485 ¥455.1 ¥430.2 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 Automotive 3-V to 65 -V 0.3-A buck conve LMR36503RS3QRPERQ1 Texas Instruments 1: ¥870.4 5,955In 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	5,955In Stock	Cut Tape ¥870.4 ¥662.7 ¥611.2 ¥554.8 View Reel ¥488.3 ¥528.2 ¥504.9 ¥501.6 ¥488.3 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 3-V to 65-V 0.6-A u ltra-small synchrono LMR36506R3RPER Texas Instruments 1: ¥822.2 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 ¥822.2 ¥619.6 ¥568.1 ¥513.2 View Reel ¥443.5 ¥486.7 ¥483.4 ¥453.5 ¥443.5 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 Automotive 3-V to 65 -V 0.3-A buck conve LMR36503RS5QRPERQ1 Texas Instruments 1: ¥847.1 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 ¥847.1 ¥646.1 ¥594.6 ¥539.8 View Reel ¥468.4 ¥514.9 ¥504.9 ¥485 ¥468.4 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: ¥700.9 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 ¥700.9 ¥596.3 Reel ¥455.1 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: ¥847.1 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 ¥847.1 ¥646.1 ¥594.6 ¥539.8 View Reel ¥473.4 ¥514.9 ¥504.9 ¥501.6 ¥473.4 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: ¥862.1 Lead-Time 20 Weeks	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	Lead-Time 20 Weeks	Cut Tape ¥862.1 ¥657.8 ¥606.3 ¥549.8 View Reel ¥488.3 ¥521.6 ¥504.9 ¥500 ¥488.3 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: ¥802.3 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 ¥802.3 ¥609.6 ¥561.4 ¥509.9 View Reel ¥430.2 ¥485 ¥483.4 ¥455.1 ¥430.2 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: ¥818.9 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 ¥818.9 ¥622.9 ¥573 ¥519.9 View Reel ¥413.6 ¥495 ¥413.6 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: ¥837.1 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 ¥837.1 ¥637.8 ¥588 ¥533.2 View Reel ¥440.2 ¥506.6 ¥491.7 ¥485 ¥440.2 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: ¥950.1 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 ¥950.1 ¥725.9 ¥669.4 ¥588 View Reel ¥511.6 ¥561.4 ¥551.5 ¥548.1 ¥511.6 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: ¥913.6 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 ¥913.6 ¥696 ¥642.8 ¥581.4 View Reel ¥511.6 ¥553.1 ¥536.5 ¥529.9 ¥511.6 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: ¥913.6 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 ¥913.6 ¥696 ¥642.8 ¥581.4 View Reel ¥516.6 ¥553.1 ¥536.5 ¥529.9 ¥516.6 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
Switching Voltage Regulators 3-V to 65-V 0.3-A u ltra-small synchrono LMR36503R5URPER Texas Instruments 1: ¥775.7 2,981Expected 11/2/2026	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	2,981Expected 11/2/2026	Cut Tape ¥775.7 ¥589.7 ¥543.1 ¥491.7 View Reel ¥418.6 ¥466.7 ¥451.8 ¥418.6 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

LMR36503/LMR36503-Q1 65V 0.3A Buck Converter

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