Voltage Regulators - Switching Regulators

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RP509x & RP602x DC-DC Converters

Nisshinbo RP509x and RP602x DC-DC Converters are ideal for use in smartphones and other portable equipment using a Li-ion battery. The RP509x is a low supply current PWM/VFM step-down DC-DC converter with a synchronous rectifier featuring 0.5A/1A output current. The RP602x is a 6.5V Buck-Boost DC-DC converter with a synchronous rectifier. Both the RP509x (6-bump WLCSP or SOT-6 package) and RP602x (20-bump WLCSP or DFN-16 package) offer power controlling via forced Pulse Width Modulation (PWM) or PWM/Variable Frequency Modulation (VFM) auto-switching.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	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 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509N331B-TR-FE Nisshinbo 1: $1.91 2,126In Stock	Mfr. Part # RP509N331B-TR-FE Mouser Part # 848-RP509N331B-TR	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	2,126In Stock	Cut Tape $1.91 $1.39 $1.25 $1.11 View Reel $0.874 $1.04 $0.996 $0.875 $0.874	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6	Buck	3.3 V	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509N	Reel, Cut Tape
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z182B-E2-F Nisshinbo 1: $0.949 4,823In Stock	Mfr. Part # RP509Z182B-E2-F Mouser Part # 848-RP509Z182B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	4,823In Stock	Cut Tape $0.949 $0.676 $0.607 $0.532 View Reel $0.415 $0.495 $0.475 $0.458 $0.416 $0.415	Min.: 1 Mult.: 1 : 5,000		WLCSP-6									RP509Z	Reel, Cut Tape
Switching Voltage Regulators Buck/Boost DC/DC Converter RP602Z330C-E2-F Nisshinbo 1: $2.44 3,568In Stock	Mfr. Part # RP602Z330C-E2-F Mouser Part # 848-RP602Z330CE2F	Nisshinbo	Switching Voltage Regulators Buck/Boost DC/DC Converter Learn More about Nisshinbo ricoh dc dc converters	Datasheet	3,568In Stock	Cut Tape $2.44 $1.81 $1.64 $1.47 View Reel $1.16 $1.38 $1.34 $1.22 $1.16 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-20	Boost, Buck	3.3 V	1.5 A	1 Output		2.6 MHz	- 40 C	+ 85 C	RP602Z	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z281B-E2-F Nisshinbo 1: $0.988 2,096In Stock	Mfr. Part # RP509Z281B-E2-F Mouser Part # 848-RP509Z281B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	2,096In Stock	Cut Tape $0.988 $0.69 $0.62 $0.541 View Reel $0.412 $0.504 $0.481 $0.463 $0.413 $0.412	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-6	Buck	2.8 V	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel, Cut Tape
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z301B-E2-F Nisshinbo 1: $0.988 1,112In Stock	Mfr. Part # RP509Z301B-E2-F Mouser Part # 848-RP509Z301B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	1,112In Stock	Cut Tape $0.988 $0.69 $0.62 $0.541 View Reel $0.412 $0.504 $0.481 $0.463 $0.413 $0.412	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-6	Buck	3 V	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel, Cut Tape
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z001D-E2-F Nisshinbo 1: $0.949 15,067In Stock	Mfr. Part # RP509Z001D-E2-F Mouser Part # 848-RP509Z001D-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	15,067In Stock	Cut Tape $0.949 $0.676 $0.607 $0.532 View Reel $0.425 $0.495 $0.475 $0.458 $0.45 $0.425	Min.: 1 Mult.: 1 : 5,000		WLCSP-6									RP509Z	Reel, Cut Tape
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z331B-E2-F Nisshinbo 1: $0.975 4,930In Stock	Mfr. Part # RP509Z331B-E2-F Mouser Part # 848-RP509Z331B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	4,930In Stock	Cut Tape $0.975 $0.689 $0.619 $0.54 View Reel $0.43 $0.503 $0.48 $0.462 $0.442 $0.43 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-6	Buck	3.3 V	1.6 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel, Cut Tape, MouseReel
Switching Voltage Regulators DCDC Converter Synch Rectifier RP509N001D-TR-FE Nisshinbo 1: $1.91 799In Stock 3,000Expected 11/5/2026	Mfr. Part # RP509N001D-TR-FE Mouser Part # 848-RP509N001D-TR-FE	Nisshinbo	Switching Voltage Regulators DCDC Converter Synch Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	799In Stock 3,000Expected 11/5/2026	Cut Tape $1.91 $1.39 $1.25 $1.11 Reel $0.878 View $1.04 $0.998 $0.913 $0.859	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6	Buck	600 mV to 5.5 V	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509N	Reel, Cut Tape
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509N111B5-TR-FE Nisshinbo 3,000: $0.893 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # RP509N111B5-TR-FE Mouser Part # 848-RP509N111B5-TR	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $0.893 $0.885	Min.: 3,000 Mult.: 3,000 : 3,000	SMD/SMT	SOT-23-6	Buck	1.15 V	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509N	Reel
Switching Voltage Regulators Buck/Boost DC/DC Converter for Wi-Fi Module RP602K330G-TR Nisshinbo 5,000: $1.15 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # RP602K330G-TR Mouser Part # 848-RP602K330G-TR	Nisshinbo	Switching Voltage Regulators Buck/Boost DC/DC Converter for Wi-Fi Module Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.15	Min.: 5,000 Mult.: 5,000 : 5,000	SMD/SMT	DFN-2730-12	Buck-Boost	3.3 V	1.5 A	1 Output	27.5 uA	2.6 MHz	- 40 C	+ 85 C	RP602K	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z001C-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z001C-E2-F Mouser Part # 848-RP509Z001C-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators Buck DC/DC Converter RP509Z002D-E2-F Nisshinbo 1: $1.00 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z002D-E2-F Mouser Part # 848-RP509Z002DE2F	Nisshinbo	Switching Voltage Regulators Buck DC/DC Converter Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape $1.00 $0.706 $0.633 $0.554 View Reel $0.407 $0.516 $0.493 $0.475 $0.462 $0.407 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	WLCSP-6	Buck	600 mV to 5.5 V	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z071B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z071B-E2-F Mouser Part # 848-RP509Z071B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000	SMD/SMT	WLCSP-6	Buck	700 mV	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z072B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z072B-E2-F Mouser Part # 848-RP509Z072B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000	SMD/SMT	WLCSP-6	Buck	700 mV	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z101B5-E2-F Nisshinbo 5,000: $0.406 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z101B5-E2-F Mouser Part # 848-RP509Z101B5-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.406	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z102B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z102B-E2-F Mouser Part # 848-RP509Z102B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z111B-E2-F Nisshinbo 5,000: $0.406 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z111B-E2-F Mouser Part # 848-RP509Z111B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.406	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z112B5-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z112B5-E2-F Mouser Part # 848-RP509Z112B5-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000	SMD/SMT	WLCSP-6	Buck	1.1 V	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel
Switching Voltage Regulators Buck DC/DC Converter RP509Z121B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z121B-E2-F Mouser Part # 848-RP509Z121BE2F	Nisshinbo	Switching Voltage Regulators Buck DC/DC Converter Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000	SMD/SMT	WLCSP-6	Buck	1.2 V	500 mA	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z131B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z131B-E2-F Mouser Part # 848-RP509Z131B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z151A-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z151A-E2-F Mouser Part # 848-RP509Z151A-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z161B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z161B-E2-F Mouser Part # 848-RP509Z161B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000	SMD/SMT	WLCSP-6	Buck	1.6 V	1 A	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z181B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z181B-E2-F Mouser Part # 848-RP509Z181B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier RP509Z201B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z201B-E2-F Mouser Part # 848-RP509Z201B-E2-F	Nisshinbo	Switching Voltage Regulators 0.5A/1A 6MHz PWM/VFM Step-down DCDC Converter with Synchronous Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators Buck DC/DC Converter RP509Z202B-E2-F Nisshinbo 5,000: $0.412 Non-Stocked Lead-Time 16 Weeks	Mfr. Part # RP509Z202B-E2-F Mouser Part # 848-RP509Z202BE2F	Nisshinbo	Switching Voltage Regulators Buck DC/DC Converter Learn More about Nisshinbo ricoh dc dc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel $0.412	Min.: 5,000 Mult.: 5,000 : 5,000	SMD/SMT	WLCSP-6	Buck	2 V	500 mA	1 Output		6 MHz	- 40 C	+ 85 C	RP509Z	Reel

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RP509x & RP602x DC-DC Converters

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