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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 (PEN) 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 for Automotive Applications R1276S001C-E2-KE Nisshinbo 1: S/ 15.49 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 S/ 15.49 S/ 11.68 S/ 10.74 S/ 9.69 Reel S/ 8.80 View S/ 9.19 S/ 9.15 S/ 8.64 S/ 8.60 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 R1276S001A-E2-FE Nisshinbo 1: S/ 9.61 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 S/ 9.61 S/ 7.16 S/ 6.54 S/ 5.84 Reel S/ 5.22 View S/ 5.53 S/ 5.41 S/ 5.10 S/ 4.94 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 R1276S001A-E2-KE Nisshinbo 1,000: S/ 8.80 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 S/ 8.80 S/ 8.64 S/ 8.60	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: S/ 8.80 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 S/ 8.80 S/ 8.64 S/ 8.60	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: S/ 8.37 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 S/ 8.37 S/ 8.33 S/ 8.29	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: S/ 5.10 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 S/ 5.10 S/ 4.94 S/ 4.83	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