Voltage Regulators - Switching Regulators – Mouser South Africa

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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 (USD) 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: $1.05 4,577In Stock 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	4,577In Stock	Cut Tape $1.05 $0.761 $0.686 $0.605 View Reel $0.528 $0.566 $0.543 $0.528 $0.528	Min.: 1 Mult.: 1 Max.: 1,001 : 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: $1.05 3,618In 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	3,618In Stock	Cut Tape $1.05 $0.761 $0.686 $0.618 View Reel $0.54 $0.577 $0.554 $0.54 $0.54 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 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 LMR51603XFQDBVRQ1 Texas Instruments 1: $1.22 5,391In Stock New Product	Mfr. Part No. LMR51603XFQDBVRQ1 Mouser Part No 595-LMR51603XFQDBRQ1 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	5,391In Stock	Cut Tape $1.22 $0.883 $0.80 $0.707 View Reel $0.615 $0.663 $0.636 $0.615 $0.615 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 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: $1.23 5,413In 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	5,413In Stock	Cut Tape $1.23 $0.885 $0.801 $0.707 View Reel $0.636 $0.663 $0.636 $0.636 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 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 LMR51603YDBVR Texas Instruments 1: $1.08 3,887In Stock 3,000Expected 2027/01/28 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	3,887In Stock 3,000Expected 2027/01/28	Cut Tape $1.08 $0.776 $0.70 $0.618 View Reel $0.54 $0.577 $0.554 $0.54 $0.54 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 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 LMR51603Y3DBVR Texas Instruments 1: $1.05 2,460In 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	2,460In Stock	Cut Tape $1.05 $0.761 $0.686 $0.605 View Reel $0.528 $0.566 $0.543 $0.528 $0.528 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 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: $1.05 996In Stock 3,000Expected 2027/04/26 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	996In Stock 3,000Expected 2027/04/26	Cut Tape $1.05 $0.761 $0.686 $0.605 View Reel $0.528 $0.566 $0.543 $0.528 $0.528 MouseReel Available	Min.: 1 Mult.: 1 Max.: 1,001 : 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