Texas Instruments LP5951MGX-1.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.04 | $1.04 |
| 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 | 5-TSSOP, SC-70-5, SOT-353 |
| Supplier Device Package | SC-70-5 |
| ROHS |  |
The LP5951MGX-1.5/NOPB is a fixed 1.5V low dropout linear regulator from National Semiconductor, capable of delivering 150mA. Its ultra-low 55 µA quiescent current and 0.35V dropout at full load make it an efficient choice for battery-powered and portable applications. Housed in a compact SC-70-5 package, it provides excellent power supply rejection of 60dB at 100Hz, ensuring clean output for sensitive analog and RF circuits.
- Extended Battery Life: Ultra-low 55 µA quiescent current minimizes standby power draw in portable devices.
- Clean Output: High PSRR (60dB at 100Hz) filters input noise, ideal for RF and audio applications.
- Compact Footprint: SC-70-5 package saves PCB space for miniaturized designs.
- Low Dropout: 0.35V dropout at 150mA allows operation from nearly depleted batteries.
Battery-Powered IoT Sensors
The LP5951's low 55 µA quiescent current extends battery life in always-on IoT devices like environmental monitors and smart tags, where the 1.5V rail powers low-voltage MCUs and sensors.
Portable Medical Devices
With a stable 1.5V output and 150mA capability, this LDO suits glucose meters and pulse oximeters, ensuring consistent performance from a single Li-ion cell down to its dropout point.
Wireless Communication Modules
Its PSRR of 60dB at 100Hz and 50dB at 10kHz helps filter noise from switching regulators, providing a clean 1.5V supply for RF transceivers and improving signal integrity.
Wearable Electronics
The compact SC-70-5 package and low dropout of 0.35V make it ideal for space-constrained wearables like smartwatches, where board area is critical and battery voltage is near the output.
Audio Codec Power
For portable audio players, the LP5951 delivers a quiet 1.5V rail to codecs and DACs, minimizing hum and noise in headphone outputs thanks to its high PSRR across audio frequencies.
- Q: What is the output voltage of the LP5951MGX-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 not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.35V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 55 µA.
- Q: What package is available?
- A: It comes in a SC-70-5 package.
LP5951MGX-1.5/NOPB.pdf
- Q: What is the output voltage of the LP5951MGX-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 not specified in the provided data; refer to the datasheet.
- Q: What is the dropout voltage?
- A: Dropout voltage is 0.35V at 150mA load.
- Q: What is the quiescent current?
- A: The quiescent current is 55 µA.
- Q: What package is available?
- A: It comes in a SC-70-5 package.
