Specification	RP122K181D-TR

Control Features	Enable
Current - Output	400 mA
Current - Quiescent (Iq)	25 µA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Fixed
Package / Case	4-UDFN Exposed Pad
Package Name	DFN(PL)1010-4
Protection Features	Over Current, Over Temperature
PSRR (Maximum)	90 dB
PSRR (Minimum)	65 dB
Voltage - Input (Max)	5.5 V
Voltage - Output (Min/Fixed)	1.8 V
Voltage Dropout (Max)	0.365 V

RP122 Series

Part	PSRR (Minimum)	PSRR (Maximum)	Protection Features	Package / Case	Current - Output	Operating Temperature (Max)	Operating Temperature (Min)	Control Features	Current - Quiescent (Iq)	Voltage - Output (Min/Fixed)	Number of Regulators	Mounting Type	Output Type	Package Name	Voltage Dropout (Max)	Output Configuration	Voltage - Input (Max)
Nisshinbo Micro Devices Inc. RP122K281B-TR	65 dB	90 dB	Over Current Over Temperature	4-UDFN Exposed Pad	400 mA	85 °C	-40 °C	Enable	25 µA	2.8 V	1	Surface Mount	Fixed	DFN(PL)1010-4	0.265 V	Positive	5.5 V
Nisshinbo Micro Devices Inc. RP122Z131D-TR-T	65 dB	90 dB	Over Current Over Temperature	4-XFBGA WLCSP	400 mA	85 °C	-40 °C	Enable	25 µA	1.3 V	1	Surface Mount	Fixed	WLCSP-4-P8		Positive	5.5 V
Nisshinbo Micro Devices Inc. RP122K301B-TR	65 dB	90 dB	Over Current Over Temperature	4-UDFN Exposed Pad	400 mA	85 °C	-40 °C	Enable	25 µA	3 V	1	Surface Mount	Fixed	DFN(PL)1010-4	0.265 V	Positive	5.5 V
Nisshinbo Micro Devices Inc. RP122K181D-TR	65 dB	90 dB	Over Current Over Temperature	4-UDFN Exposed Pad	400 mA	85 °C	-40 °C	Enable	25 µA	1.8 V	1	Surface Mount	Fixed	DFN(PL)1010-4	0.365 V	Positive	5.5 V
Nisshinbo Micro Devices Inc. RP122K331D-TR	65 dB	90 dB	Over Current Over Temperature	4-UDFN Exposed Pad	400 mA	85 °C	-40 °C	Enable	25 µA	3.3 V	1	Surface Mount	Fixed	DFN(PL)1010-4	0.245 V	Positive	5.5 V
Nisshinbo Micro Devices Inc. RP122Z251D-TR-F	65 dB	90 dB	Over Current Over Temperature	4-XFBGA WLCSP	400 mA	85 °C	-40 °C	Enable	25 µA	2.5 V	1	Surface Mount	Fixed	WLCSP-4-P8	0.24 V	Positive	5.5 V
Nisshinbo Micro Devices Inc. RP122Z281D-TR-F	65 dB	90 dB	Over Current Over Temperature	4-XFBGA WLCSP	400 mA	85 °C	-40 °C	Enable	25 µA	2.8 V	1	Surface Mount	Fixed	WLCSP-4-P8	0.225 V	Positive	5.5 V

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RP122K181D-TR | Datasheet