Texas Instruments LP5951MGX-1.8/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.57 | $0.57 |
| 15+ | $0.55 | $8.25 |
| 25+ | $0.54 | $13.50 |
| 50+ | $0.51 | $25.50 |
| 100+ | $0.45 | $45.00 |
| N+ | $0.09 | 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) | 1.8V |
| 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 |  |
The Texas Instruments LP5951 is a fixed 1.8V low dropout linear regulator offering 150mA output. It is optimized for ultra-low power consumption with a quiescent current of just 55 µA, making it ideal for battery-powered and energy-harvesting applications. The 0.35V dropout at full load ensures efficient operation. Housed in a compact 5-pin SC-70 package, it delivers reliable performance in space-limited designs.
- Ultra-Low Quiescent Current: 55 µA quiescent current significantly extends battery life in portable and standby applications.
- Compact Package: The 5-pin SC-70 package is one of the smallest available, ideal for miniaturized designs.
- Low Dropout: 0.35V dropout at 150mA allows efficient regulation from a 2.2V input.
- Stable 1.8V Output: Provides a precise voltage rail for low-power digital and analog circuits.
Battery-Powered IoT Sensors
The ultra-low 55 µA quiescent current makes the LP5951 perfect for always-on IoT sensors, significantly extending battery life.
Portable Medical Devices
Provide a stable 1.8V rail for glucose monitors, hearing aids, and other medical wearables where power efficiency is critical.
Low-Power Microcontrollers
Power MCUs and memory in standby mode with minimal current draw, preserving battery charge in remote or embedded systems.
Smart Meters
Regulate power for metering ICs and communication modules, ensuring accurate readings and reliable data transmission.
Wearable Fitness Trackers
The tiny SC-70 package and low power consumption are ideal for compact, battery-operated fitness bands and smart watches.
Energy Harvesting Systems
Efficiently regulate the low voltage output from energy harvesters to power small electronic loads with minimal loss.
- Q: What is the output voltage?
- A: The fixed output voltage is 1.8V.
- 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 2.2V to 5.5V.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.35V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 55 µA.
- Q: What package is available?
- A: It comes in a 5-pin SC-70 package.
LP5951MGX-1.8/NOPB.pdf
- Q: What is the output voltage?
- A: The fixed output voltage is 1.8V.
- 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 2.2V to 5.5V.
- Q: What is the dropout voltage?
- A: Dropout is typically 0.35V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is very low at 55 µA.
- Q: What package is available?
- A: It comes in a 5-pin SC-70 package.
