Texas Instruments LP5951MG-3.0/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) | 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 | 5-TSSOP, SC-70-5, SOT-353 |
| Supplier Device Package | SC-70-5 |
| ROHS |
The LP5951MG-3.0/NOPB is a high-performance, low-dropout linear regulator from Texas Instruments, delivering a fixed 3.0V output with up to 150mA of current. Its ultra-low 55µA quiescent current and excellent power supply rejection ratio make it an ideal choice for battery-powered and noise-sensitive applications. Housed in a compact SC-70-5 package, this LDO offers a space-saving solution without compromising on stability or efficiency.
- Extended Battery Life: Ultra-low 55µA quiescent current minimizes power draw in standby and active modes, maximizing runtime for portable devices.
- Clean Power Delivery: High PSRR (60dB at 100Hz) effectively filters input noise, ensuring stable, low-noise 3.0V supply for sensitive analog and RF circuits.
- Compact Footprint: The SC-70-5 package saves critical board space, enabling miniaturized designs for wearables and IoT modules.
- Reliable Regulation: Low dropout voltage of 0.35V at 150mA maintains output regulation even with low input margins, improving system efficiency.
Battery-Powered Portable Devices
The LP5951's low 55µA quiescent current and 3.0V fixed output make it ideal for extending battery life in wearables, remote controls, and wireless sensors where standby power is critical.
Precision Analog Reference Supply
With 60dB to 50dB PSRR from 100Hz to 10kHz, this LDO provides a clean, stable 3.0V rail for op-amps, ADCs, and DACs in instrumentation, minimizing noise-induced errors.
RF and Wireless Modules
The excellent PSRR performance suppresses high-frequency noise from switching converters, ensuring clean power for Bluetooth, Zigbee, and sub-GHz transceivers, improving signal integrity.
Microcontroller Core Supply
Delivering up to 150mA at 3.0V, it reliably powers low-power MCUs and digital logic, with the low dropout ensuring stable operation even as the battery discharges.
Audio Codec and Sensor Power
The low-noise output and compact SC-70-5 footprint make it suitable for powering audio codecs and MEMS sensors in smartphones and IoT devices, preserving signal fidelity.
Always-On Power Domains
Its ultra-low quiescent current makes it perfect for always-on domains in automotive and industrial systems, maintaining a stable 3.0V rail for wake-up circuits and real-time clocks.
- Q: What is the output voltage of the LP5951MG-3.0/NOPB?
- A: The fixed output voltage is 3.0V.
- 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 3V up to 5.5V (typical).
- Q: What is the dropout voltage?
- A: 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 compact SC-70-5 package.
- Q: What is the output voltage of the LP5951MG-3.0/NOPB?
- A: The fixed output voltage is 3.0V.
- 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 3V up to 5.5V (typical).
- Q: What is the dropout voltage?
- A: 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 compact SC-70-5 package.

LP5951MG-3.0/NOPB.pdf