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R1276S Synchronous Step-Down DC-DC Converter

Nisshinbo R1276S Synchronous Step-Down DC-DC Converter features a built-in transistor and 95% efficiency. Under cranking conditions, the switching frequency of the R1276S is automatically reduced to keep the output voltage level constant. The R1276S DC-DC Converter has a 3.6V to 30.0V input voltage range and a 4.5V start-up voltage. The typical standby current is 4µA. The R1276S ensures low EMI (Electromagnetic Interference) noise by employing a spread spectrum clock generator with a +10% diffusion rate.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PHP) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Mounting Style	Package / Case	Topology	Output Voltage	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Series	Packaging
	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter R1276S001A-E2-FE Nisshinbo 1: ₱151.53 1,208In Stock	Mfr. Part # R1276S001A-E2-FE Mouser Part # 848-R1276S001A-E2-FE	Nisshinbo	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter Learn More about Nisshinbo ricoh r1276s dcdc converter	Datasheet	1,208In Stock	Cut Tape ₱151.53 ₱112.88 ₱103.07 ₱92.03 Reel ₱82.21 View ₱87.12 ₱85.28 ₱80.37 ₱77.91 MouseReel Available	Min.: 1 Mult.: 1 : 1,000			SMD/SMT	HSOP-18	Buck	3.15 V to 6 V	1 Output	4 uA	250 kHz to 1 MHz	- 40 C	+ 105 C		R1276S	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter for Automotive Applications R1276S001C-E2-KE Nisshinbo 1: ₱244.17 147In Stock	Mfr. Part # R1276S001C-E2-KE Mouser Part # 848-R1276S001C-E2-KE	Nisshinbo	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter for Automotive Applications Learn More about Nisshinbo ricoh r1276s dcdc converter	Datasheet	147In Stock	Cut Tape ₱244.17 ₱184.05 ₱169.33 ₱152.76 Reel ₱138.65 View ₱144.79 ₱144.17 ₱136.20 ₱135.58 MouseReel Available	Min.: 1 Mult.: 1 : 1,000			SMD/SMT	HSOP-18	Buck	3.15 V to 6 V	1 Output	4 uA	250 kHz to 1 MHz	- 40 C	+ 125 C	AEC-Q100	R1276S-K	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter for Automotive Applications R1276S001A-E2-KE Nisshinbo 1,000: ₱138.65 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R1276S001A-E2-KE Mouser Part # 848-R1276S001A-E2-KE	Nisshinbo	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter for Automotive Applications Learn More about Nisshinbo ricoh r1276s dcdc converter	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ₱138.65 ₱136.20 ₱135.58	Min.: 1,000 Mult.: 1,000 : 1,000			SMD/SMT	HSOP-18	Buck	3.15 V to 6 V	1 Output	4 uA	250 kHz to 1 MHz	- 40 C	+ 105 C	AEC-Q100	R1276S-K	Reel
	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter for Automotive Applications R1276S002A-E2-KE Nisshinbo 1,000: ₱138.65 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R1276S002A-E2-KE Mouser Part # 848-R1276S002A-E2-KE	Nisshinbo	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter for Automotive Applications Learn More about Nisshinbo ricoh r1276s dcdc converter	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ₱138.65 ₱136.20 ₱135.58	Min.: 1,000 Mult.: 1,000 : 1,000			SMD/SMT	HSOP-18	Buck	6 V to 6.5 V	1 Output	4 uA	250 kHz to 1 MHz	- 40 C	+ 105 C	AEC-Q100	R1276S-K	Reel
	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter for Automotive Applications R1276S002C-E2-KE Nisshinbo 1,000: ₱131.90 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R1276S002C-E2-KE Mouser Part # 848-R1276S002C-E2-KE	Nisshinbo	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter for Automotive Applications Learn More about Nisshinbo ricoh r1276s dcdc converter	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ₱131.90 ₱131.29 ₱130.68	Min.: 1,000 Mult.: 1,000 : 1,000			SMD/SMT	HSOP-18	Buck	6 V to 6.5 V	1 Output	4 uA	250 kHz to 1 MHz	- 40 C	+ 125 C	AEC-Q100	R1276S-K	Reel
	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter R1276S004A-E2-FE Nisshinbo 1,000: ₱80.37 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # R1276S004A-E2-FE Mouser Part # 848-R1276S004A-E2-FE	Nisshinbo	Switching Voltage Regulators 30V, 3A Synchronous Step-down DC/DC Converter Learn More about Nisshinbo ricoh r1276s dcdc converter	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ₱80.37 ₱77.91 ₱76.07	Min.: 1,000 Mult.: 1,000 : 1,000			SMD/SMT	HSOP-18	Buck	700 mV to 3.15 V	1 Output	4 uA	250 kHz to 1 MHz	- 40 C	+ 105 C		R1276S	Reel