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 (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 3-V to 65-V 0.3-A u ltra-small synchrono LMR36503R5RPER Texas Instruments 1: 3,84 € 10.165In Stock	Mfr. Part No. LMR36503R5RPER Mouser Part No 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 3,84 € 2,91 € 2,67 € 2,43 € Reel 1,98 € View 2,30 € 2,16 € 1,95 € 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: 4,73 € 10.079In Stock	Mfr. Part No. LMR36506RS3QRPERQ1 Mouser Part No 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	10.079In Stock	Cut Tape 4,73 € 3,60 € 3,33 € 3,01 € View Reel 2,51 € 2,86 € 2,78 € 2,74 € 2,51 € 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 LMR36506RF3RPER Texas Instruments 1: 4,15 € 12.142In Stock	Mfr. Part No. LMR36506RF3RPER Mouser Part No 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	12.142In Stock	Cut Tape 4,15 € 3,16 € 2,91 € 2,64 € View Reel 2,13 € 2,50 € 2,43 € 2,36 € 2,13 € 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: 4,15 € 3.255In Stock	Mfr. Part No. LMR36506R5RPER Mouser Part No 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	3.255In Stock	Cut Tape 4,15 € 3,16 € 2,91 € 2,64 € View Reel 2,19 € 2,51 € 2,50 € 2,36 € 2,19 € 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: 4,51 € 6.077In Stock	Mfr. Part No. LMR36503RS3QRPERQ1 Mouser Part No 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	6.077In Stock	Cut Tape 4,51 € 3,43 € 3,16 € 2,87 € View Reel 2,53 € 2,73 € 2,61 € 2,60 € 2,53 € 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: 4,26 € 1.862In Stock	Mfr. Part No. LMR36506R3RPER Mouser Part No 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	1.862In Stock	Cut Tape 4,26 € 3,21 € 2,94 € 2,66 € View Reel 2,30 € 2,52 € 2,50 € 2,35 € 2,30 € 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: 4,39 € 1.514In Stock	Mfr. Part No. LMR36503RS5QRPERQ1 Mouser Part No 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	1.514In Stock	Cut Tape 4,39 € 3,35 € 3,08 € 2,80 € View Reel 2,43 € 2,67 € 2,61 € 2,51 € 2,43 € 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: 3,63 € 2.293In Stock	Mfr. Part No. LMR36503RFRPER Mouser Part No 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	2.293In Stock	Cut Tape 3,63 € 3,09 € Reel 2,36 € 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: 4,39 € 4.649In Stock	Mfr. Part No. LMR36503MSC3RPERQ1 Mouser Part No 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	4.649In Stock	Cut Tape 4,39 € 3,35 € 3,08 € 2,80 € View Reel 2,45 € 2,67 € 2,61 € 2,60 € 2,45 € 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: 4,46 € 2.088In Stock	Mfr. Part No. LMR36503MSCQRPERQ1 Mouser Part No 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	2.088In Stock	Cut Tape 4,46 € 3,41 € 3,14 € 2,85 € View Reel 2,53 € 2,70 € 2,61 € 2,59 € 2,53 € 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: 4,15 € 251In Stock 6.000Expected 12/28/2026	Mfr. Part No. LMR36506RFRPER Mouser Part No 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	251In Stock 6.000Expected 12/28/2026	Cut Tape 4,15 € 3,16 € 2,91 € 2,64 € View Reel 2,23 € 2,51 € 2,50 € 2,36 € 2,23 € 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: 4,24 € 53In Stock 3.000Expected 2/8/2027	Mfr. Part No. LMR36506RRPER Mouser Part No 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 4,24 € 3,23 € 2,97 € 2,69 € View Reel 2,14 € 2,56 € 2,14 € 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: 4,33 € 47In Stock 3.000Expected 2/8/2027	Mfr. Part No. LMR36503MSC5RPERQ1 Mouser Part No 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	47In Stock 3.000Expected 2/8/2027	Cut Tape 4,33 € 3,30 € 3,04 € 2,76 € View Reel 2,30 € 2,62 € 2,55 € 2,51 € 2,30 € 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: 4,88 € 45In Stock 6.000Expected 1/28/2027	Mfr. Part No. LMR36506MSCQRPERQ1 Mouser Part No 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 1/28/2027	Cut Tape 4,88 € 3,72 € 3,42 € 3,10 € View Reel 2,65 € 2,95 € 2,86 € 2,82 € 2,65 € 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: 4,73 € 6.020On Order	Mfr. Part No. LMR36506MSC3RPERQ1 Mouser Part No 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	6.020On Order On Order Ship Dates Mfr. No: LMR36506MSC3RPERQ1 Stock: 0 On Order: 20 Expected 12/3/2026 6.000 Expected 2/8/2027 Factory Lead Time: 20 Weeks	Cut Tape 4,73 € 3,60 € 3,33 € 3,01 € View Reel 2,65 € 2,86 € 2,78 € 2,74 € 2,65 € 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: 4,73 € 11.383On Order	Mfr. Part No. LMR36506MSC5RPERQ1 Mouser Part No 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	11.383On Order On Order Ship Dates Mfr. No: LMR36506MSC5RPERQ1 Stock: 0 On Order: 5.383 Expected 12/10/2026 6.000 Expected 2/1/2027 Factory Lead Time: 20 Weeks	Cut Tape 4,73 € 3,60 € 3,33 € 3,01 € View Reel 2,67 € 2,86 € 2,78 € 2,74 € 2,67 € 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: 4,02 € 2.981Expected 10/9/2026	Mfr. Part No. LMR36503R5URPER Mouser Part No 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 10/9/2026	Cut Tape 4,02 € 3,05 € 2,81 € 2,55 € View Reel 2,17 € 2,42 € 2,34 € 2,17 € 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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