Monolithic Power Systems Inc. MP20051DN-LF
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Monolithic Power Systems Inc. |
| Product Series | |
| Packaging | | |
| Output Configuration | Active |
| Output Type | Positive |
| Number of Regulators | Adjustable |
| Voltage - Input (Max) | 5.5V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 5V |
| Voltage Dropout (Max) | 0.28V @ 1A |
| Current - Output | 1A |
| Current - Quiescent (Iq) | 600 μA |
| Current - Supply (Max) | - |
| PSRR | 65dB ~ 33dB (100Hz ~ 1MHz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Under Voltage Lockout (UVLO) |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) Exposed Pad |
| Supplier Device Package | 8-SOICE |
| ROHS |
The MP20051DN-LF from Monolithic Power Systems is a high-performance adjustable LDO linear regulator designed for applications requiring up to 1A of output current. With an input voltage range starting at 0.8V and a low dropout of 0.28V at full load, it delivers efficient, stable power in space-constrained designs. Its excellent PSRR of 65dB to 33dB across 100Hz to 1MHz makes it ideal for noise-sensitive circuits.
- High Efficiency: Low 0.28V dropout at 1A minimizes power dissipation, improving system efficiency.
- Excellent Noise Rejection: PSRR of 65dB at 100Hz ensures clean output for sensitive analog circuits.
- Wide Input Flexibility: Operates from 0.8V input, enabling use with low-voltage rails and batteries.
- Adjustable Output: Provides design flexibility to set any output voltage from 5V reference down to lower levels.
Battery-Powered Devices
The low 0.8V input capability allows the MP20051DN-LF to operate directly from a single-cell battery or a low-voltage rail, extending battery life in portable electronics.
FPGA and DSP Core Supplies
With 1A output current and adjustable output, this LDO can power the core voltage of FPGAs and DSPs, providing a stable and clean supply rail.
Industrial Sensor Interfaces
The high PSRR of 65dB at 100Hz ensures that noise from industrial power buses does not affect sensitive sensor measurements.
Automotive Infotainment Systems
The wide input range and 1A capability make it suitable for powering audio codecs and display drivers in automotive infotainment units.
Networking Equipment
For routers and switches, the MP20051DN-LF provides a low-noise, stable voltage for PHY and MAC ICs, improving signal integrity.
Portable Medical Devices
The adjustable output and low dropout voltage enable efficient power conversion from a 3.3V rail to lower voltages required by medical sensors.
- Q: What is the output voltage of the MP20051DN-LF?
- A: The MP20051DN-LF is an adjustable LDO with a reference voltage of 5V, allowing you to set the output voltage with external resistors.
- Q: What is the maximum output current?
- A: The MP20051DN-LF can deliver up to 1A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range starts from 0.8V, making it suitable for low-voltage applications.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.28V at a 1A load, ensuring efficient operation even with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 600 μA, which is moderate for a 1A-rated LDO.
- Q: What package is available?
- A: The MP20051DN-LF is available in an 8-SOICE package.
- Q: What is the output voltage of the MP20051DN-LF?
- A: The MP20051DN-LF is an adjustable LDO with a reference voltage of 5V, allowing you to set the output voltage with external resistors.
- Q: What is the maximum output current?
- A: The MP20051DN-LF can deliver up to 1A of continuous output current.
- Q: What is the input voltage range?
- A: The input voltage range starts from 0.8V, making it suitable for low-voltage applications.
- Q: What is the dropout voltage?
- A: The dropout voltage is typically 0.28V at a 1A load, ensuring efficient operation even with low headroom.
- Q: What is the quiescent current?
- A: The quiescent current is 600 μA, which is moderate for a 1A-rated LDO.
- Q: What package is available?
- A: The MP20051DN-LF is available in an 8-SOICE package.

MP20051DN-LF.pdf