Texas Instruments LP5951MF-1.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.84 | $0.84 |
| 15+ | $0.81 | $12.15 |
| 25+ | $0.79 | $19.75 |
| 50+ | $0.75 | $37.50 |
| 100+ | $0.66 | $66.00 |
| N+ | $0.13 | 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 LP5951MF-1.5/NOPB is a fixed 1.5V low dropout linear regulator from Texas Instruments, capable of delivering 150mA. Its low 55µA quiescent current and high PSRR (60dB at 100Hz) make it suitable for battery-powered and noise-sensitive applications. Housed in a compact SOT-23-5 package, it offers a dropout voltage of just 0.35V at full load, ensuring efficient operation in low-headroom designs.
- Extended Battery Life: Ultra-low 55µA quiescent current minimizes standby power draw in portable devices.
- Clean Power Delivery: High PSRR (60dB at 100Hz) filters supply noise, critical for audio and precision analog circuits.
- Low Dropout Operation: 0.35V dropout at 150mA allows regulation from near-threshold input voltages, improving efficiency.
- Compact Footprint: SOT-23-5 package saves board space in space-constrained designs.
Battery-Powered IoT Sensors
The LP5951's low 55µA quiescent current and 1.5V output are ideal for always-on sensor nodes, extending battery life in wireless environmental monitoring.
Portable Audio Codec Supply
With 60dB PSRR at 100Hz, this LDO provides a clean 1.5V rail for audio codecs, minimizing power supply noise and hum in portable media players.
Low-Power Microcontroller Core
Many low-voltage MCUs operate at 1.5V. The LP5951's 150mA capability and stable output ensure reliable operation during active processing and sleep modes.
Wearable Health Monitors
In compact wearables, the SOT-23-5 package and low dropout of 0.35V allow efficient regulation from a single Li-ion cell down to 1.5V for biosignal processing ICs.
Industrial Sensor Calibration
For precision analog sensors requiring a stable 1.5V reference, the LP5951's low noise and high PSRR reduce measurement errors in industrial data acquisition systems.
- Q: What is the output voltage of the LP5951MF-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 5.5V (based on typical LDO specs for this family).
- 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.
LP5951MF-1.5/NOPB.pdf
- Q: What is the output voltage of the LP5951MF-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 5.5V (based on typical LDO specs for this family).
- 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.
