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RP605 Buck-Boost DC-DC Converters

Nisshinbo RP605 Buck-Boost DC-DC Converters feature an integrated battery monitor function and an ultra-low quiescent current. Optimized for low-power IoT applications, the Nisshinbo RP605 DC-DC Converters have a battery monitor pin, which makes it possible to construct a low-supply current and high-accuracy battery monitoring circuit with a small number of external components. This design enables a reduction in the size of IoT devices and reduces the supply current required. With a typical quiescent current of 0.4μA (DC-DC: 0.3µA, Battery monitor: 0.1μA), the RP605 can prolong battery life, contributing to the long operation of battery-powered IoT devices.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Output Voltage	Output Current	Number of Outputs	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
Switching Voltage Regulators 3.3V 300mA Ultra Low Power Buck Boost RP605K333B-TR Nisshinbo 1: Rp39.260,44 3.128In Stock 5.000Expected 05/11/2026	Mfr. Part No. RP605K333B-TR Mouser Part No 848-RP605K333B-TR	Nisshinbo	Switching Voltage Regulators 3.3V 300mA Ultra Low Power Buck Boost Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	3.128In Stock 5.000Expected 05/11/2026	Cut Tape Rp39.260,44 Rp28.986,68 Rp26.418,24 Rp24.400,18 Rp19.446,76 Reel Rp19.263,30	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	DFN-12	3.3 V	300 mA	1 Output	- 40 C	+ 85 C	RP605K	Reel, Cut Tape
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z333B-E2-T Nisshinbo 1: Rp41.278,50 7.744In Stock	Mfr. Part No. RP605Z333B-E2-T Mouser Part No 848-RP605Z333B-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	7.744In Stock	Cut Tape Rp41.278,50 Rp30.637,82 Rp27.885,92 Rp24.950,56 View Reel Rp20.547,52 Rp23.482,88 Rp22.749,04 Rp22.015,20 Rp21.464,82 Rp20.547,52	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	WLCSP-20	3.3 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel, Cut Tape
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z253B-E2-T Nisshinbo 1: Rp41.461,96 2.593In Stock	Mfr. Part No. RP605Z253B-E2-T Mouser Part No 848-RP605Z253B-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	2.593In Stock	Cut Tape Rp41.461,96 Rp30.637,82 Rp27.885,92 Rp24.950,56 View Reel Rp20.547,52 Rp23.482,88 Rp22.749,04 Rp22.015,20 Rp21.464,82 Rp20.547,52	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	WLCSP-20	2.5 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel, Cut Tape
Switching Voltage Regulators 2.0V 300mA Ultra Low Power Buck Boost RP605K203B-TR Nisshinbo 1: Rp39.260,44 1.292In Stock	Mfr. Part No. RP605K203B-TR Mouser Part No 848-RP605K203B-TR	Nisshinbo	Switching Voltage Regulators 2.0V 300mA Ultra Low Power Buck Boost Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	1.292In Stock	Cut Tape Rp39.260,44 Rp28.986,68 Rp26.418,24 Rp23.666,34 View Reel Rp18.896,38 Rp22.198,66 Rp21.464,82 Rp20.547,52 Rp19.079,84 Rp18.896,38	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	DFN-12	2 V	300 mA	1 Output	- 40 C	+ 85 C	RP605K	Reel, Cut Tape
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z283B-E2-T Nisshinbo 1: Rp41.461,96 977In Stock	Mfr. Part No. RP605Z283B-E2-T Mouser Part No 848-RP605Z283B-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	977In Stock	Cut Tape Rp41.461,96 Rp30.637,82 Rp27.885,92 Rp24.950,56 View Reel Rp20.547,52 Rp23.482,88 Rp22.749,04 Rp22.015,20 Rp21.464,82 Rp20.547,52	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	WLCSP-20	2.8 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel, Cut Tape
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z334A-E2-T Nisshinbo 1: Rp41.278,50 340In Stock	Mfr. Part No. RP605Z334A-E2-T Mouser Part No 848-RP605Z334A-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	340In Stock	Cut Tape Rp41.278,50 Rp30.637,82 Rp27.885,92 Rp24.950,56 View Reel Rp20.547,52 Rp23.482,88 Rp22.749,04 Rp22.382,12 Rp22.015,20 Rp20.547,52	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	WLCSP-20	3.3 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel, Cut Tape
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z253B-E2-F Nisshinbo 5.000: Rp19.813,68 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP605Z253B-E2-F Mouser Part No 513-RP605Z253B-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape Rp19.813,68	Min.: 5.000 Mult.: 5.000	SMD/SMT	WLCSP-20	2.5 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z283B-E2-F Nisshinbo 5.000: Rp19.813,68 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP605Z283B-E2-F Mouser Part No 513-RP605Z283B-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape Rp19.813,68	Min.: 5.000 Mult.: 5.000	SMD/SMT	WLCSP-20	2.8 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z304A-E2-F Nisshinbo 5.000: Rp19.813,68 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP605Z304A-E2-F Mouser Part No 513-RP605Z304A-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape Rp19.813,68	Min.: 5.000 Mult.: 5.000	SMD/SMT	WLCSP-20	3 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z333B-E2-F Nisshinbo 1: Rp41.461,96 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP605Z333B-E2-F Mouser Part No 513-RP605Z333B-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Cut Tape Rp41.461,96 Rp30.637,82 Rp27.885,92 Rp20.364,06 Rp19.813,68	Min.: 1 Mult.: 1	SMD/SMT	WLCSP-20	3.3 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z183B-E2-T Nisshinbo 5.000: Rp20.547,52 Non-Stocked Lead-Time 16 Weeks	Mfr. Part No. RP605Z183B-E2-T Mouser Part No 848-RP605Z183B-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	Non-Stocked Lead-Time 16 Weeks	Reel Rp20.547,52	Min.: 5.000 Mult.: 5.000 : 5.000	SMD/SMT	WLCSP-20	1.8 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel
Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor RP605Z304A-E2-T Nisshinbo 5.000: Rp19.997,14 Non-Stocked	Mfr. Part No. RP605Z304A-E2-T Mouser Part No 848-RP605Z304A-E2-F	Nisshinbo	Switching Voltage Regulators 300mA Ultra-low Power Buck Boost DC/DC Converter with Battery Monitor Learn More about Nisshinbo ricoh rp605 dcdc converters	Datasheet	Non-Stocked	Reel Rp19.997,14	Min.: 5.000 Mult.: 5.000 : 5.000	SMD/SMT	WLCSP-20	3 V	300 mA	1 Output	- 40 C	+ 85 C	RP605Z	Reel

RP605 Buck-Boost DC-DC Converters

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