Voltage Regulators - Switching Regulators

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RAA21180x DC/DC Step-Down Regulators

Renesas Electronics RAA21180x DC/DC Step-Down Regulators are ultra-low quiescent current buck regulators with a wide input voltage range of 7V to 80V. These regulators feature up to 300mA of output current and a minimum on-time of 75ns. The RAA21180x regulators offer variable frequency operation, allowing users to program the frequency through an external inductor within the 10µH to 33µH range. Additionally, these regulators possess a pre-bias, smooth, and monotonic start-up process. Typical applications include general-purpose or LDO replacement, industrial power supplies, embedded systems and I/O supplies, e-bikes, power tools, and home/industrial automation.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SEK) 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 300mA wide VIN 7V to 80V buck regulator, 3.3V Vout ,5L TSOT, RAA2118034GP3#JA0 Renesas / Intersil 1: 7,26 kr 15 000On Order	Mfr. Part No. RAA2118034GP3#JA0 Mouser Part No 968-RAA2118034GP3JA0	Renesas / Intersil	Switching Voltage Regulators 300mA wide VIN 7V to 80V buck regulator, 3.3V Vout ,5L TSOT,	Datasheet	15 000On Order On Order Ship Dates Mfr. No: RAA2118034GP3#JA0 Stock: 0 On Order: 6 000 Expected 2027-07-13 9 000 Expected 2027-07-19 Factory Lead Time: 32 Weeks	Cut Tape 7,26 kr 4,88 kr 4,33 kr 3,74 kr View Reel 2,98 kr 3,44 kr 3,29 kr 3,15 kr 2,98 kr MouseReel Available	Min.: 1 Mult.: 1 : 3 000			SMD/SMT	TSOT-23-5	Buck	3.3 V	300 mA	2 Output	5.5 uA	170 kHz	- 40 C	+ 125 C	RAA211803	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 300mA wide VIN 7V to 80V buck regulator, 5V Vout ,5L TSOT, 3 RAA2118054GP3#JA0 Renesas / Intersil 1: 7,26 kr 26 967On Order	Mfr. Part No. RAA2118054GP3#JA0 Mouser Part No 968-RAA2118054GP3JA0	Renesas / Intersil	Switching Voltage Regulators 300mA wide VIN 7V to 80V buck regulator, 5V Vout ,5L TSOT, 3	Datasheet	26 967On Order On Order Ship Dates Mfr. No: RAA2118054GP3#JA0 Stock: 0 On Order: 14 967 Expected 2026-11-24 12 000 Expected 2027-01-27 Factory Lead Time: 32 Weeks	Cut Tape 7,26 kr 4,88 kr 4,33 kr 3,74 kr View Reel 2,98 kr 3,44 kr 3,29 kr 3,15 kr 2,98 kr MouseReel Available	Min.: 1 Mult.: 1 : 3 000			SMD/SMT	TSOT-23-5	Buck	5 V	300 mA	2 Output	5.5 uA	230 kHz	- 40 C	+ 125 C	RAA211805	Reel, Cut Tape, MouseReel

RAA21180x DC/DC Step-Down Regulators

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RAA21180x DC/DC Step-Down Regulators

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