Specification	LP3891EMR-1.2

Control Features	Enable
Current - Output	800 mA
Current - Quiescent (Iq)	30 µA
Current - Supply (Max)	8 mA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Fixed
Package Length	0.154 in
Package Name	8-SO PowerPad, 8-PowerSOIC
Package Width	3.9 mm
Protection Features	Under Voltage Lockout (UVLO), Over Temperature, Over Current, Short Circuit
PSRR (Maximum)	80 dB
PSRR (Minimum)	65 dB
Voltage - Input (Max)	5.5 V
Voltage - Output (Min/Fixed)	1.2 V
Voltage Dropout (Max)	0.43 V

LP3891 Series

Part	Package Width	Package Name	Package Length	Current - Quiescent (Iq)	Output Type	Control Features	Mounting Type	Number of Regulators	Operating Temperature (Max)	Operating Temperature (Min)	Output Configuration	Protection Features	Current - Supply (Max)	Voltage - Input (Max)	Voltage Dropout (Max)	Voltage - Output (Min/Fixed)	Current - Output	PSRR (Maximum)	PSRR (Minimum)	Package Leads	Package / Case
Texas Instruments LP3891EMRX-1.2/NOPB	3.9 mm	8-PowerSOIC 8-SO PowerPad	0.154 in	30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.43 V	1.2 V	800 mA	80 dB	65 dB
Texas Instruments LP3891ESX-1.5/NOPB		D2PAK TO-263 (DDPAK-5)		30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.4 V	1.5 V	800 mA	80 dB	65 dB	5 Leads
Texas Instruments LP3891ES-1.2		D2PAK TO-263 (DDPAK-5)		30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.4 V	1.2 V	800 mA	80 dB	65 dB	5 Leads
Texas Instruments LP3891ES-1.2/NOPB		D2PAK TO-263 (DDPAK-5)		30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.4 V	1.2 V	800 mA	80 dB	65 dB	5 Leads
Texas Instruments LP3891EMR-1.2	3.9 mm	8-PowerSOIC 8-SO PowerPad	0.154 in	30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.43 V	1.2 V	800 mA	80 dB	65 dB
Texas Instruments LP3891EMR-1.8	3.9 mm	8-PowerSOIC 8-SO PowerPad	0.154 in	30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.43 V	1.8 V	800 mA	80 dB	65 dB
Texas Instruments LP3891ET-1.8/NOPB		TO-220-5		30 µA	Fixed	Enable	Through Hole	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.4 V	1.8 V	800 mA	80 dB	65 dB		TO-220-5 Formed Leads
Texas Instruments LP3891EMR-1.5/NOPB	3.9 mm	8-PowerSOIC 8-SO PowerPad	0.154 in	30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.43 V	1.5 V	800 mA	80 dB	65 dB
Texas Instruments LP3891EMRX-1.2/NOPB	3.9 mm	8-PowerSOIC 8-SO PowerPad	0.154 in	30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.43 V	1.2 V	800 mA	80 dB	65 dB
Texas Instruments LP3891ES-1.5/NOPB		D2PAK TO-263 (DDPAK-5)		30 µA	Fixed	Enable	Surface Mount	1	125 °C	-40 °C	Positive	Over Current Over Temperature Short Circuit Under Voltage Lockout (UVLO)	8 mA	5.5 V	0.4 V	1.5 V	800 mA	80 dB	65 dB	5 Leads

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