Texas Instruments LP5951MFX-1.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.71 | $0.71 |
| 15+ | $0.69 | $10.35 |
| 25+ | $0.68 | $17.00 |
| 50+ | $0.64 | $32.00 |
| 100+ | $0.56 | $56.00 |
| N+ | $0.11 | Price Inquiry |
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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) | 1.5V |
| 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 |  |
The LP5951MFX-1.5/NOPB is a low-dropout linear regulator from Texas Instruments, delivering a fixed 1.5V output with up to 150mA of current. Its low 55µA quiescent current and 0.35V dropout at full load make it suitable for battery-operated and portable applications. The SOT-23-5 package offers a compact footprint for space-constrained designs.
- Extended Battery Life: Ultra-low 55µA quiescent current minimizes standby power consumption in portable devices.
- Clean Output: PSRR of 60dB at 100Hz effectively suppresses power supply ripple for noise-sensitive circuits.
- High Efficiency at Low Dropout: 0.35V dropout at 150mA allows operation from a 1.8V rail, reducing power dissipation.
- Compact Footprint: SOT-23-5 package saves PCB space for miniaturized designs.
Battery-Powered IoT Sensors
The 1.5V output and 55µA quiescent current make it ideal for always-on sensor nodes, extending battery life in wireless monitoring systems.
Portable Medical Devices
With 60dB PSRR at 100Hz, it effectively filters low-frequency noise from battery or USB power, ensuring stable operation for sensitive medical instrumentation.
RF Transceivers
The low dropout of 0.35V at 150mA allows operation from a 1.8V rail, providing clean 1.5V supply for RF front-ends in Bluetooth and Zigbee modules.
Audio Codec Power
Its PSRR performance (60dB at 100Hz) reduces hum and ripple, delivering clean power to audio codecs in portable media players.
Wearable Fitness Trackers
The compact SOT-23-5 package and low quiescent current support space-constrained designs while maintaining high efficiency at light loads.
Industrial Sensor Interfaces
Stable 1.5V output with 150mA capability powers precision ADC references and sensor bridges in industrial data acquisition systems.
- Q: What is the output voltage of the LP5951MFX-1.5/NOPB?
- A: The fixed output voltage is 1.5V.
- 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 1.5V to 4.5V (based on output voltage plus dropout).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.35V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 55µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
LP5951MFX-1.5/NOPB.pdf
- Q: What is the output voltage of the LP5951MFX-1.5/NOPB?
- A: The fixed output voltage is 1.5V.
- 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 1.5V to 4.5V (based on output voltage plus dropout).
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.35V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is typically 55µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
