Monolithic Power Systems Inc. MP2019GN-5-Z
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $2.41 | $2.41 |
| 15+ | $2.34 | $35.10 |
| 25+ | $2.29 | $57.25 |
| 50+ | $2.16 | $108.00 |
| 100+ | $1.91 | $191.00 |
| N+ | $0.38 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Monolithic Power Systems Inc. |
| Product Series | |
| Packaging | Factory | Cut Tape (CT) |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 40V |
| Voltage - Output (Min/Fixed) | 5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.64V @ 300mA |
| Current - Output | 300mA |
| Current - Quiescent (Iq) | 16 µA |
| Current - Supply (Max) | 95 µA |
| PSRR | 57dB ~ 51dB (100Hz ~ 100kHz) |
| Control Features | Enable, Power Good |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | Automotive |
| Qualification | AEC-Q100 |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Supplier Device Package | 8-SOIC-EP |
| ROHS |
The MP2019GN-5-Z from Monolithic Power Systems is a high-efficiency, low-power LDO regulator offering a fixed 5V output. It is designed for battery-powered and always-on applications, featuring an ultra-low quiescent current of just 16 µA. With a 300mA output capability and a dropout voltage of 0.64V, it provides a stable and clean power supply. The 8-SOIC-EP package ensures good thermal performance, making it a versatile choice for space-constrained designs.
- Extended Battery Life: The ultra-low 16 µA quiescent current significantly reduces power consumption in standby and light-load conditions, extending battery life.
- Low Noise Operation: With PSRR of 57dB at 100Hz, it effectively filters input ripple, providing a clean output for sensitive electronics.
- Compact and Efficient: The 8-SOIC-EP package with exposed pad aids in heat dissipation, allowing for reliable operation in compact designs.
- Reliable Performance: MPS's robust design ensures stable output voltage and current, suitable for a wide range of low-power applications.
Battery-Powered IoT Devices
The ultra-low 16 µA quiescent current makes it perfect for battery-powered sensors, wearables, and IoT nodes where extending battery life is critical.
Standby Power Supplies
Ideal for always-on circuits in appliances and smart home devices that require a low-power 5V rail to maintain wake-up capability.
Noise-Sensitive Audio Circuits
With good PSRR (57dB at 100Hz), it can provide a clean 5V supply for audio codecs and amplifiers, minimizing hum and noise.
Portable Medical Devices
Provides a stable and low-noise 5V supply for portable health monitors, glucose meters, and other battery-operated medical equipment.
Industrial Low-Power Sensors
Suitable for powering 4-20mA loop transmitters and low-power industrial sensors that require a regulated 5V supply with minimal power draw.
- Q: What is the output voltage of the MP2019GN-5-Z?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can provide up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage is 5V (typical). Refer to the datasheet for the full range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.64V at 300mA load.
- Q: What is the quiescent current?
- A: It features a very low quiescent current of only 16 µA.
- Q: What is the PSRR?
- A: PSRR is 57dB to 51dB from 100Hz to 100kHz.
- Q: What is the output voltage of the MP2019GN-5-Z?
- A: The fixed output voltage is 5V.
- Q: What is the maximum output current?
- A: It can provide up to 300mA of output current.
- Q: What is the input voltage range?
- A: The input voltage is 5V (typical). Refer to the datasheet for the full range.
- Q: What is the dropout voltage?
- A: The dropout voltage is 0.64V at 300mA load.
- Q: What is the quiescent current?
- A: It features a very low quiescent current of only 16 µA.
- Q: What is the PSRR?
- A: PSRR is 57dB to 51dB from 100Hz to 100kHz.

MP2019GN-5-Z.pdf