Specification	LP5951MG-1.8/NOPB

Control Features	Enable
Current - Output	150 mA
Current - Quiescent (Iq)	55 µA
Current - Supply (Max) [Max]	70 µA
Mounting Type	Surface Mount
Number of Regulators	1
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	1.81 mOhm
Package / Case	SC-70-5, 5-TSSOP, SOT-353
Protection Features	Over Temperature, Over Current, Short Circuit
PSRR [Max]	60 dB
PSRR [Min]	50 dB
Supplier Device Package	SC-70-5
Voltage - Input (Max) [Max]	5.5 V
Voltage - Output (Min/Fixed)	1.8 V
Voltage Dropout (Max) [Max]	0.35 V

LP5951 Series

150-mA, low-IQ, low-dropout voltage regulator with enable

Part	Current - Supply (Max) [Max]	Voltage - Input (Max) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Current - Quiescent (Iq)	Protection Features	Output Configuration	PSRR [Min]	PSRR [Max]	Mounting Type	Voltage Dropout (Max) [Max]	Control Features	Supplier Device Package	Voltage - Output (Min/Fixed)	Current - Output	Package / Case	Number of Regulators	Output Type
Texas Instruments LP5951MF-2.8	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SOT-23-5	2.8 V	150 mA	SC-74A SOT-753	1	1.81 mOhm
Texas Instruments LP5951MG-2.5/NOPB	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SC-70-5	2.5 V	150 mA	5-TSSOP SC-70-5 SOT-353	1	1.81 mOhm
Texas Instruments LP5951MG-1.5	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SC-70-5	1.5 V	150 mA	5-TSSOP SC-70-5 SOT-353	1	1.81 mOhm
Texas Instruments LP5951MG-1.3	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SC-70-5	1.3 V	150 mA	5-TSSOP SC-70-5 SOT-353	1	1.81 mOhm
Texas Instruments LP5951MG-1.8/NOPB	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SC-70-5	1.8 V	150 mA	5-TSSOP SC-70-5 SOT-353	1	1.81 mOhm
Texas Instruments LP5951MGX-3.3	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SC-70-5	3.3 V	150 mA	5-TSSOP SC-70-5 SOT-353	1	1.81 mOhm
Texas Instruments LP5951MG-3.3	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SC-70-5	3.3 V	150 mA	5-TSSOP SC-70-5 SOT-353	1	1.81 mOhm
Texas Instruments LP5951MFX-2.8/NOPB	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SOT-23-5	2.8 V	150 mA	SC-74A SOT-753	1	1.81 mOhm
Texas Instruments LP5951MGX-2.8	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SC-70-5	2.8 V	150 mA	5-TSSOP SC-70-5 SOT-353	1	1.81 mOhm
Texas Instruments LP5951MFX-3.0/NOPB	70 µA	5.5 V	125 °C	-40 °C	55 µA	Over Current Over Temperature Short Circuit	Positive	50 dB	60 dB	Surface Mount	0.35 V	Enable	SOT-23-5		150 mA	SC-74A SOT-753	1	1.81 mOhm

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Cut Tape (CT)	1	$ 0.97
		10	$ 0.86
		25	$ 0.82
		100	$ 0.67
		250	$ 0.63
		500	$ 0.56
	Digi-Reel®	1	$ 0.97
		10	$ 0.86
		25	$ 0.82
		100	$ 0.67
		250	$ 0.63
		500	$ 0.56
	Tape & Reel (TR)	1000	$ 0.42
		2000	$ 0.39
		3000	$ 0.37
		5000	$ 0.36
Texas Instruments	SMALL T&R	1	$ 0.72
		100	$ 0.55
		250	$ 0.41
		1000	$ 0.29

Description

General part information

LP5951 Series

The LP5951 regulator is designed to meet the requirements of portable battery-powered systems providing a regulated output voltage and low quiescent current. When switched to shutdown mode via a logic signal at the Enable (EN) pin, the power consumption is reduced to virtually zero.

The LP5951 is designed to be stable with small 1-µF ceramic capacitors. The device also features internal protection against short-circuit currents and over-temperature conditions.

Performance is specified for a –40°C to 125°C temperature range.

Documents

Technical documentation and resources

LP5951MG-1.8/NOPB

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LP5951MG-1.8/NOPB

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Technical Specifications

LP5951 Series

Pricing

Description

LP5951 Series

Documents

AN-1486 LP5951 Evaluation Board (Rev. C)

A Topical Index of TI LDO Application Notes (Rev. F)

LP5951 Micropower, 150-mA Low-Dropout CMOS Voltage Regulator datasheet (Rev. G)

LP5951 Series