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 (HKD) 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: HK$12.08 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 HK$12.08 HK$8.80 HK$7.92 HK$7.00 View Reel HK$5.52 HK$6.56 HK$6.30 HK$5.53 HK$5.52	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: HK$6.00 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 HK$6.00 HK$4.27 HK$3.84 HK$3.36 View Reel HK$2.62 HK$3.13 HK$3.00 HK$2.89 HK$2.63 HK$2.62	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: HK$15.45 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 HK$15.45 HK$11.43 HK$10.36 HK$9.29 View Reel HK$7.37 HK$8.71 HK$8.47 HK$7.72 HK$7.37 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: HK$6.25 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 HK$6.25 HK$4.36 HK$3.92 HK$3.42 View Reel HK$2.61 HK$3.19 HK$3.04 HK$2.93 HK$2.61 HK$2.61	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: HK$6.25 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 HK$6.25 HK$4.36 HK$3.92 HK$3.42 View Reel HK$2.61 HK$3.19 HK$3.04 HK$2.93 HK$2.61 HK$2.61	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: HK$6.00 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 HK$6.00 HK$4.27 HK$3.84 HK$3.36 View Reel HK$2.69 HK$3.13 HK$3.00 HK$2.89 HK$2.84 HK$2.69	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: HK$6.17 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 HK$6.17 HK$4.36 HK$3.91 HK$3.41 View Reel HK$2.72 HK$3.18 HK$3.03 HK$2.92 HK$2.79 HK$2.72 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: HK$12.08 824In Stock 3,000Expected 5/11/2026	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 5/11/2026	Cut Tape HK$12.08 HK$8.80 HK$7.92 HK$7.00 Reel HK$5.55 View HK$6.57 HK$6.31 HK$5.77 HK$5.43	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: HK$5.65 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 HK$5.65 HK$5.60	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: HK$7.27 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 HK$7.27	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: HK$2.61 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 HK$2.61	Min.: 5,000 Mult.: 5,000 : 5,000		WLCSP-6									RP509Z	Reel
Switching Voltage Regulators Buck DC/DC Converter RP509Z002D-E2-F Nisshinbo 1: HK$6.33 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 HK$6.33 HK$4.46 HK$4.00 HK$3.50 View Reel HK$2.57 HK$3.26 HK$3.12 HK$3.00 HK$2.92 HK$2.57 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: HK$2.61 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 HK$2.61	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: HK$2.61 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 HK$2.61	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: HK$2.56 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 HK$2.56	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 RP509Z102B-E2-F Nisshinbo 5,000: HK$2.61 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 HK$2.61	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: HK$2.56 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 HK$2.56	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 RP509Z112B5-E2-F Nisshinbo 5,000: HK$2.61 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 HK$2.61	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: HK$2.61 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 HK$2.61	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: HK$2.61 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 HK$2.61	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: HK$2.61 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 HK$2.61	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: HK$2.61 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 HK$2.61	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: HK$2.61 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 HK$2.61	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: HK$2.61 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 HK$2.61	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: HK$2.61 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 HK$2.61	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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