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 (THB) 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: ฿48.98 2,126In Stock	Mfr. Part No. RP509N331B-TR-FE Mouser Part No 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 ฿48.98 ฿35.65 ฿32.12 ฿28.39 View Reel ฿22.39 ฿26.59 ฿25.52 ฿22.42 ฿22.39	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: ฿24.32 4,823In Stock	Mfr. Part No. RP509Z182B-E2-F Mouser Part No 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 ฿24.32 ฿17.33 ฿15.56 ฿13.63 View Reel ฿10.63 ฿12.69 ฿12.16 ฿11.73 ฿10.66 ฿10.63	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: ฿62.64 3,568In Stock	Mfr. Part No. RP602Z330C-E2-F Mouser Part No 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 ฿62.64 ฿46.31 ฿41.98 ฿37.65 View Reel ฿29.85 ฿35.32 ฿34.32 ฿31.29 ฿29.85 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: ฿25.32 2,096In Stock	Mfr. Part No. RP509Z281B-E2-F Mouser Part No 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 ฿25.32 ฿17.69 ฿15.89 ฿13.86 View Reel ฿10.56 ฿12.93 ฿12.33 ฿11.86 ฿10.60 ฿10.56	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: ฿25.32 1,112In Stock	Mfr. Part No. RP509Z301B-E2-F Mouser Part No 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 ฿25.32 ฿17.69 ฿15.89 ฿13.86 View Reel ฿10.56 ฿12.93 ฿12.33 ฿11.86 ฿10.60 ฿10.56	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: ฿24.32 15,067In Stock	Mfr. Part No. RP509Z001D-E2-F Mouser Part No 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 ฿24.32 ฿17.33 ฿15.56 ฿13.63 View Reel ฿10.90 ฿12.69 ฿12.16 ฿11.73 ฿11.53 ฿10.90	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: ฿24.99 4,930In Stock	Mfr. Part No. RP509Z331B-E2-F Mouser Part No 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 ฿24.99 ฿17.66 ฿15.86 ฿13.83 View Reel ฿11.03 ฿12.89 ฿12.30 ฿11.83 ฿11.33 ฿11.03 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: ฿48.98 824In Stock 3,000Expected 11/5/2026	Mfr. Part No. RP509N001D-TR-FE Mouser Part No 848-RP509N001D-TR-FE	Nisshinbo	Switching Voltage Regulators DCDC Converter Synch Rectifier Learn More about Nisshinbo ricoh dc dc converters	Datasheet	824In Stock 3,000Expected 11/5/2026	Cut Tape ฿48.98 ฿35.65 ฿32.12 ฿28.39 Reel ฿22.49 View ฿26.62 ฿25.59 ฿23.39 ฿22.02	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: ฿22.89 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RP509N111B5-TR-FE Mouser Part No 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 ฿22.89 ฿22.69	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: ฿29.49 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. RP602K330G-TR Mouser Part No 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 ฿29.49	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z001C-E2-F Mouser Part No 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 ฿10.56	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators Buck DC/DC Converter RP509Z002D-E2-F Nisshinbo 1: ฿25.66 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z002D-E2-F Mouser Part No 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 ฿25.66 ฿18.09 ฿16.23 ฿14.19 View Reel ฿10.43 ฿13.23 ฿12.63 ฿12.16 ฿11.83 ฿10.43 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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z071B-E2-F Mouser Part No 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 ฿10.56	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z072B-E2-F Mouser Part No 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 ฿10.56	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: ฿10.40 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z101B5-E2-F Mouser Part No 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 ฿10.40	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z102B-E2-F Mouser Part No 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 ฿10.56	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: ฿10.40 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z111B-E2-F Mouser Part No 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 ฿10.40	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z112B5-E2-F Mouser Part No 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 ฿10.56	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z121B-E2-F Mouser Part No 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 ฿10.56	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z131B-E2-F Mouser Part No 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 ฿10.56	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z151A-E2-F Mouser Part No 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 ฿10.56	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z161B-E2-F Mouser Part No 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 ฿10.56	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z181B-E2-F Mouser Part No 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 ฿10.56	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z201B-E2-F Mouser Part No 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 ฿10.56	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: ฿10.56 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP509Z202B-E2-F Mouser Part No 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 ฿10.56	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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