Texas Instruments LP5951MFX-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.63 | $0.63 |
| 15+ | $0.61 | $9.15 |
| 25+ | $0.59 | $14.75 |
| 50+ | $0.56 | $28.00 |
| 100+ | $0.50 | $50.00 |
| N+ | $0.10 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Fixed |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 2.5V |
| 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 Texas Instruments LP5951MFX-2.5 is a fixed 2.5V low-dropout linear regulator capable of delivering 150mA. It features a low quiescent current of 55μA and a dropout voltage of 350mV at full load, making it efficient for battery-powered devices. With a PSRR of 60dB at 100Hz, it provides adequate noise filtering for sensitive electronics. The compact SOT-23-5 package is ideal for space-constrained applications.
- Low Power Consumption: 55μA quiescent current helps prolong battery life in standby mode.
- Stable Output: Fixed 2.5V output with 350mV dropout ensures reliable performance under load.
- Compact Design: SOT-23-5 package is perfect for miniaturized PCBs.
- Good Noise Rejection: 60dB PSRR at 100Hz reduces supply noise for analog circuits.
Portable Battery Chargers
The LP5951's 55μA quiescent current and 350mV dropout at 150mA make it suitable for charging circuits, providing a stable 2.5V rail for microcontroller logic while conserving battery power.
Wearable Fitness Trackers
With a small SOT-23-5 package and low dropout, this regulator fits well in compact wearables, powering sensors and display drivers efficiently from a single Li-ion cell.
Bluetooth Low Energy Modules
The 60dB PSRR at 100Hz helps maintain a clean 2.5V supply for BLE radios, reducing interference and improving wireless range and reliability.
Digital Signal Processors (DSPs)
For low-power DSPs requiring a 2.5V core, the LP5951 offers a stable, low-noise supply, ensuring consistent processing performance in audio or industrial applications.
Smart Home Sensors
In battery-operated thermostats or motion detectors, the low quiescent current extends operational life, while the fixed 2.5V output simplifies power design.
Portable Instrumentation
The regulator's stable output and moderate PSRR make it a reliable choice for handheld multimeters or data loggers, where accuracy is critical.
- Q: What is the output voltage?
- A: The fixed output voltage is 2.5V.
- Q: What is the maximum output current?
- A: It can supply up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 5.5V (typical for this device).
- Q: What is the dropout voltage?
- A: Dropout is 350mV at 150mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 55μA.
- Q: What package is available?
- A: It is available in a SOT-23-5 package.
LP5951MFX-2.5/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 2.5V.
- Q: What is the maximum output current?
- A: It can supply up to 150mA.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.5V to 5.5V (typical for this device).
- Q: What is the dropout voltage?
- A: Dropout is 350mV at 150mA load.
- Q: What is the quiescent current?
- A: Quiescent current is 55μA.
- Q: What package is available?
- A: It is available in a SOT-23-5 package.
