Voltage Regulators - Switching Regulators – Mouser Denmark

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LMR51603/LMR51603-Q1 Synchronous Buck Converters

Texas Instruments LMR51603/LMR51603-Q1 Synchronous Buck Converters drive up to 300mA of load current. The wide-V_IN, easy-to-use, synchronous buck converter is designed for various industrial applications for power conditioning from an unregulated source, with a 4V to 65V wide input range.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (DKK) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	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 4.5V-to-65V 0.3A syn chronous buck conve LMR51603XDBVR Texas Instruments 1: 6,74 kr. 2.978In Stock 3.000Expected 19/11/2026 New Product	Mfr. Part No. LMR51603XDBVR Mouser Part No 595-LMR51603XDBVR New Product	Texas Instruments	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve Learn More about Texas Instruments ti lmr51603 q1 converters	Datasheet	2.978In Stock 3.000Expected 19/11/2026	Cut Tape 6,74 kr. 4,88 kr. 4,40 kr. 3,88 kr. Reel 3,27 kr. View 3,63 kr. 3,48 kr. 3,39 kr. 3,19 kr.	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	SOT-23-6	Buck	800 mV to 28 V	300 mA	1 Output	420 uA	400 kHz	- 40 C	+ 150 C	LMR51603	Reel, Cut Tape
	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve LMR51603XFDBVR Texas Instruments 1: 6,74 kr. 3.205In Stock New Product	Mfr. Part No. LMR51603XFDBVR Mouser Part No 595-LMR51603XFDBVR New Product	Texas Instruments	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve Learn More about Texas Instruments ti lmr51603 q1 converters	Datasheet	3.205In Stock	Cut Tape 6,74 kr. 4,88 kr. 4,40 kr. 3,96 kr. Reel 3,20 kr. View 3,70 kr. 3,55 kr. 3,46 kr. 3,13 kr. MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	SOT-23-6	Buck	800 mV to 28 V	300 mA	1 Output	420 uA	400 kHz	- 40 C	+ 150 C	LMR51603	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve LMR51603XQDBVRQ1 Texas Instruments 1: 7,91 kr. 4.953In Stock New Product	Mfr. Part No. LMR51603XQDBVRQ1 Mouser Part No 595-LMR51603XQDBVRQ1 New Product	Texas Instruments	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve	Datasheet	4.953In Stock	Cut Tape 7,91 kr. 5,68 kr. 5,14 kr. 4,54 kr. Reel 4,07 kr. View 4,25 kr. 4,08 kr. 3,83 kr. MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	SOT-23-6	Buck	800 mV to 28 V	300 mA	1 Output	26.5 uA	400 kHz	- 40 C	+ 150 C	LMR51603	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve LMR51603Y3DBVR Texas Instruments 1: 6,74 kr. 2.391In Stock New Product	Mfr. Part No. LMR51603Y3DBVR Mouser Part No 595-LMR51603Y3DBVR New Product	Texas Instruments	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve Learn More about Texas Instruments ti lmr51603 q1 converters	Datasheet	2.391In Stock	Cut Tape 6,74 kr. 4,88 kr. 4,40 kr. 3,88 kr. Reel 3,20 kr. View 3,63 kr. 3,48 kr. 3,39 kr. 3,13 kr. MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	SOT-23-6	Buck	800 mV to 28 V	300 mA	1 Output	420 uA	1.1 MHz	- 40 C	+ 150 C	LMR51603	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve LMR51603YDBVR Texas Instruments 1: 6,93 kr. 1.016In Stock 6.000On Order New Product	Mfr. Part No. LMR51603YDBVR Mouser Part No 595-LMR51603YDBVR New Product	Texas Instruments	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve Learn More about Texas Instruments ti lmr51603 q1 converters	Datasheet	1.016In Stock 6.000On Order On Order Ship Dates Mfr. No: LMR51603YDBVR Stock: 1.016 Can Dispatch Immediately On Order: 3.000 Expected 19/11/2026 3.000 Expected 01/04/2027 Factory Lead Time: 20 Weeks	Cut Tape 6,93 kr. 4,98 kr. 4,49 kr. 3,96 kr. Reel 3,27 kr. View 3,70 kr. 3,55 kr. 3,46 kr. 3,13 kr. MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	SOT-23-6	Buck	800 mV to 28 V	300 mA	1 Output	420 uA	1.1 MHz	- 40 C	+ 150 C	LMR51603	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve LMR51603YFDBVR Texas Instruments 1: 6,74 kr. 520In Stock 3.000Expected 04/02/2027 New Product	Mfr. Part No. LMR51603YFDBVR Mouser Part No 595-LMR51603YFDBVR New Product	Texas Instruments	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve Learn More about Texas Instruments ti lmr51603 q1 converters	Datasheet	520In Stock 3.000Expected 04/02/2027	Cut Tape 6,74 kr. 4,88 kr. 4,40 kr. 3,88 kr. Reel 3,20 kr. View 3,63 kr. 3,48 kr. 3,39 kr. 3,13 kr. MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	SOT-23-6	Buck	800 mV to 28 V	300 mA	1 Output	420 uA	1.1 MHz	- 40 C	+ 150 C	LMR51603	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve LMR51603XFQDBVRQ1 Texas Instruments 1: 7,83 kr. 4.977In Stock	Mfr. Part No. LMR51603XFQDBVRQ1 Mouser Part No 595-LMR51603XFQDBRQ1	Texas Instruments	Switching Voltage Regulators 4.5V-to-65V 0.3A syn chronous buck conve Learn More about Texas Instruments ti lmr51603 q1 converters	Datasheet	4.977In Stock	Cut Tape 7,83 kr. 5,66 kr. 5,13 kr. 4,54 kr. Reel 3,70 kr. View 4,25 kr. 4,08 kr. 3,95 kr. 3,63 kr. MouseReel Available	Min.: 1 Mult.: 1 : 3.000			SMD/SMT	SOT-23-6	Buck	800 mV to 28 V	300 mA	1 Output	420 uA	400 kHz	- 40 C	+ 150 C	LMR51603	Reel, Cut Tape, MouseReel