Texas Instruments LP5951MF-3.3/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) 3.3V
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-3.3/NOPB from Texas Instruments is a 3.3V LDO regulator providing 150mA output. With a low dropout of 0.35V and 55µA quiescent current, it is designed for battery-powered portable electronics. The SOT-23-5 package offers a compact footprint.

  • Low Quiescent Current: 55µA extends battery life.
  • Low Dropout: 0.35V at 150mA.
  • Good Noise Rejection: 60dB PSRR at 100Hz.
  • Compact Size: SOT-23-5 for space-constrained designs.

Portable Audio Players

Low quiescent current and 60dB PSRR at 100Hz preserve audio quality.

Bluetooth Modules

Stable 3.3V for RF transceivers with minimal noise interference.

Smart Meters

Efficient power for metering ICs in always-on applications.

Medical Monitoring Devices

Reliable 3.3V for biosignal amplifiers and ADCs.

GPS Receivers

Clean power for sensitive RF front-ends.

Wearable Fitness Trackers

Compact SOT-23-5 package and low power consumption.

Q: What is the output voltage?
A: Fixed 3.3V output.
Q: What is the maximum output current?
A: 150mA continuous current.
Q: What is the input voltage range?
A: Not specified in provided data; refer to TI datasheet.
Q: What is the dropout voltage?
A: 0.35V at 150mA load.
Q: What is the quiescent current?
A: 55µA typical.
Q: What package is available?
A: SOT-23-5 package.
Base Product Number : LP5951MF-3.3
150mA 3.3V LDO Linear Regulator Low Power SOT-23-5 Texas Instruments
Q: What is the output voltage?
A: Fixed 3.3V output.
Q: What is the maximum output current?
A: 150mA continuous current.
Q: What is the input voltage range?
A: Not specified in provided data; refer to TI datasheet.
Q: What is the dropout voltage?
A: 0.35V at 150mA load.
Q: What is the quiescent current?
A: 55µA typical.
Q: What package is available?
A: SOT-23-5 package.