R5220K Series

Part	Voltage - Input (Max)	Package / Case	Topology	Frequency - Switching	Function	Output Type	Voltage - Output (Min/Fixed)	Number of Outputs	Package Name	Synchronous Rectifier	Voltage - Input (Min)	Mounting Type	Current - Output	Output Configuration	Operating Temperature (Max)	Operating Temperature (Min)
Nisshinbo Micro Devices Inc. R5220K121A-TR	5.5 V	6-UFDFN Exposed Pad	Buck	1.2 MHz	Step-Down	Fixed	1.2 V	1	DFN(PL)2514-6	Yes	2.8 V	Surface Mount	400 mA	Positive	85 °C	-40 °C
Nisshinbo Micro Devices Inc. R5220K181A-TR	5.5 V	6-UFDFN Exposed Pad	Buck	1.2 MHz	Step-Down	Fixed	1.8 V	1	DFN(PL)2514-6	Yes	2.8 V	Surface Mount	400 mA	Positive	85 °C	-40 °C
Nisshinbo Micro Devices Inc. R5220K321A-TR	5.5 V	6-UFDFN Exposed Pad	Buck	1.2 MHz	Step-Down	Fixed	3.2 V	1	DFN(PL)2514-6	Yes	2.8 V	Surface Mount	400 mA	Positive	85 °C	-40 °C
Nisshinbo Micro Devices Inc. R5220K052B-TR	5.5 V	6-UFDFN Exposed Pad	Buck	1.2 MHz	Step-Down		0.5 V	1	DFN(PL)2514-6	Yes	2.8 V	Surface Mount	400 mA	Positive	85 °C	-40 °C
Nisshinbo Micro Devices Inc. R5220K231A-TR	5.5 V	6-UFDFN Exposed Pad	Buck	1.2 MHz	Step-Down	Fixed	2.3 V	1	DFN(PL)2514-6	Yes	2.8 V	Surface Mount	400 mA	Positive	85 °C	-40 °C

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