Texas Instruments LP5951MF-2.0/NOPB

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Product attributes Property Value
Manufacturer Texas Instruments
Product Series
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Configuration Positive
Output Type Fixed
Number of Regulators 1
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 2V
Voltage - Output (Max) -
Voltage Dropout (Max) 0.35V @ 150mA
Current - Output 150mA
Current - Quiescent (Iq) 55 µA
Current - Supply (Max) 70 µA
PSRR 60dB ~ 50dB (100Hz ~ 10kHz)
Control Features Enable
Protection Features Over Current, Over Temperature, Short Circuit
Operating Temperature -40°C ~ 125°C
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case SC-74A, SOT-753
Supplier Device Package SOT-23-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The LP5951MF-2.0/NOPB from Texas Instruments is a 150mA low dropout linear regulator delivering a fixed 2.0V output. With an ultra-low quiescent current of 55 µA and a dropout voltage of 0.35V, it is optimized for battery-powered and energy-harvesting applications. The SOT-23-5 package offers a compact solution for space-constrained designs requiring clean, regulated power.

  • Exceptional Efficiency at Light Loads: 55 µA quiescent current significantly extends battery life in always-on and standby applications.
  • Low Dropout Voltage: 0.35V at 150mA allows operation from nearly depleted batteries.
  • Proven TI Quality: Manufactured by Texas Instruments with rigorous reliability standards.
  • Compact SOT-23-5: Small footprint ideal for miniaturized portable devices.

Ultra-Low Power Wearables

The 55 µA quiescent current is ideal for fitness trackers, smart watches, and medical patches where battery life is paramount and load currents are typically below 150mA.

Battery-Powered IoT Sensors

Provides stable 2.0V for wireless sensor nodes, ensuring reliable operation from a single Li-ion or coin cell battery over extended periods.

Portable Medical Devices

Low quiescent current and stable output make it suitable for glucose monitors, pulse oximeters, and hearing aids requiring precise low-voltage power.

Microcontroller and Logic Power

Powers low-voltage MCUs and digital logic at 2.0V, with 60dB to 50dB PSRR filtering supply noise from switching regulators.

Standby and Sleep Mode Circuits

Ultra-low quiescent current ensures minimal power draw during standby, extending battery life in remote controls and smart home devices.

Analog Sensor Interfaces

Provides clean 2.0V rail for operational amplifiers and ADC references in portable instrumentation.

Q: What is the output voltage of the LP5951MF-2.0/NOPB?
A: The fixed output voltage is 2.0V.
Q: What is the maximum output current?
A: It can deliver up to 150mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: Dropout voltage is 0.35V at 150mA output.
Q: What is the quiescent current?
A: The quiescent current is 55 µA.
Q: What package is available?
A: It comes in a SOT-23-5 package.
Base Product Number : LP5951MF-2.0
150mA 2.0V LDO Linear Regulator SOT-23-5 Texas Instruments Ultra-Low Quiescent Current
Q: What is the output voltage of the LP5951MF-2.0/NOPB?
A: The fixed output voltage is 2.0V.
Q: What is the maximum output current?
A: It can deliver up to 150mA.
Q: What is the input voltage range?
A: The input voltage range is not specified in the provided data; refer to the datasheet.
Q: What is the dropout voltage?
A: Dropout voltage is 0.35V at 150mA output.
Q: What is the quiescent current?
A: The quiescent current is 55 µA.
Q: What package is available?
A: It comes in a SOT-23-5 package.