Texas Instruments LP5951MGX-1.3/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) 1.3V
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 5-TSSOP, SC-70-5, SOT-353
Supplier Device Package SC-70-5
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Texas Instruments LP5951MGX-1.3/NOPB is a low-power LDO regulator delivering a fixed 1.3V output at up to 150mA. With a quiescent current of just 55µA and PSRR of 60dB at 100Hz, it provides clean, efficient power for battery-operated and noise-sensitive applications. The 350mV dropout at full load allows operation from low input voltages. Packaged in a compact SC-70-5, it is ideal for space-constrained portable electronics.

  • Ultra-Low Quiescent Current: 55µA maximizes battery life in standby and active modes.
  • Good Noise Rejection: 60dB PSRR at 100Hz filters low-frequency interference.
  • Compact SC-70-5 Package: Small footprint for portable and wearable devices.
  • Low Dropout: 350mV at 150mA supports low input voltage operation.

Low-Voltage Microcontroller Power

1.3V output is perfect for next-gen low-power MCUs operating at 1.2V-1.3V, with 55µA quiescent current supporting always-on modes.

Portable Audio Codecs

60dB PSRR at 100Hz reduces power supply hum in portable audio players, ensuring clean analog audio output.

Wireless Sensor Networks

The SC-70-5 package and low quiescent current make it ideal for battery-powered Zigbee or Thread nodes requiring a stable 1.3V rail.

Biomedical Implants

Ultra-low power consumption and small size suit implantable devices like pacemakers or neurostimulators operating from a 1.5V cell.

Smart Cards and RFID

Provides regulated 1.3V for contactless smart card ICs, with 350mV dropout ensuring operation from harvested energy.

Precision Voltage References

Stable output with 50dB PSRR at 10kHz makes it suitable for powering precision bandgap references in measurement equipment.

Q: What is the output voltage of the LP5951MGX-1.3/NOPB?
A: The fixed output voltage is 1.3V.
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 from 1.3V to 5.5V (typical for this device).
Q: What is the dropout voltage?
A: The dropout voltage is 350mV at 150mA load.
Q: What is the quiescent current?
A: The quiescent current is 55µA.
Q: What package is available?
A: It comes in a SC-70-5 package.
Base Product Number : LP5951MGX-1.3
1.3V 150mA High PSRR LDO Linear Regulator Low Quiescent LP5951 SC-70-5 Texas Instruments
Q: What is the output voltage of the LP5951MGX-1.3/NOPB?
A: The fixed output voltage is 1.3V.
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 from 1.3V to 5.5V (typical for this device).
Q: What is the dropout voltage?
A: The dropout voltage is 350mV at 150mA load.
Q: What is the quiescent current?
A: The quiescent current is 55µA.
Q: What package is available?
A: It comes in a SC-70-5 package.