Texas Instruments LP5951MFX-3.3/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.59 | $0.59 |
| 15+ | $0.57 | $8.55 |
| 25+ | $0.56 | $14.00 |
| 50+ | $0.53 | $26.50 |
| 100+ | $0.47 | $47.00 |
| N+ | $0.09 | 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) | 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 |  |
The LP5951 from Texas Instruments is a fixed 3.3V LDO linear regulator delivering 150mA. It features a low 55µA quiescent current and a dropout of 0.35V at full load. The SOT-23-5 package is compact, and PSRR of 60dB to 50dB across 100Hz to 10kHz ensures clean power for sensitive electronics.
- Low Quiescent Current: 55µA helps maximize battery life.
- Excellent Noise Rejection: 60dB to 50dB PSRR across a wide frequency range.
- Low Dropout: 0.35V at 150mA allows efficient operation.
- Compact Package: SOT-23-5 fits space-constrained designs.
Battery-Powered Consumer Electronics
With 55µA quiescent current and 150mA output, it's ideal for portable devices like MP3 players and digital cameras.
Noise-Sensitive RF Circuits
PSRR of 60dB at 100Hz and 50dB at 10kHz helps maintain clean power for RF transceivers and PLLs.
Microcontroller Power Supply
Provides a stable 3.3V rail for MCUs and digital logic, with low dropout for efficient operation.
Portable Medical Monitors
Reliable and low-power, suitable for battery-operated health monitoring devices.
Automotive Infotainment
Stable 3.3V supply for infotainment systems, with good noise rejection for audio and display circuits.
- Q: What is the output voltage?
- A: The fixed output voltage is 3.3V.
- 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 not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.35V at 150mA.
- Q: What is the quiescent current?
- A: The quiescent current is 55 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
LP5951MFX-3.3/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 3.3V.
- 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 not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.35V at 150mA.
- Q: What is the quiescent current?
- A: The quiescent current is 55 µA.
- Q: What package is available?
- A: It comes in a SOT-23-5 package.
