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IC REG BUCK ADJ 4A 14QFN
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HerstellerMonolithic Power Systems Inc.
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Herstellerteil #MP28251GD-Z
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Auf Lager3075
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Part Status | Not For New Designs |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 4.75V |
| Voltage - Input (Max) | 20V |
| Voltage - Output (Min / Fixed) | 0.8V |
| Voltage - Output (Max) | 17V |
| Current - Output | 4A |
| Frequency - Switching | 500kHz |
| Synchronous Rectifier | Yes |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 14-PowerVFQFN |
| Supplier Device Package | 14-QFN (2x3) |
| Base Product Number | MP28251 |
Übersicht
Description
The device provides a fixed output voltage, with options that can be adjusted via external resistors. Its integrated MOSFETs enhance efficiency, minimizing heat generation and improving overall system performance. The MP28251GD-Z also includes features such as under-voltage lockout, short-circuit protection, and thermal shutdown, ensuring robust operation and reliability.
Its compact package size allows for space-saving designs, making it ideal for applications with stringent space constraints. Overall, the MP28251GD-Z is an excellent choice for designers seeking a reliable, efficient, and compact power management solution.
Equivalent
Features
1. Input Voltage Range: Supports wide input voltages typically from 4.5V to 16V, making it suitable for various power sources.
2. Output Current: Capable of delivering up to 3A output current, suitable for powering demanding loads.
3. Output Voltage: Adjustable output voltage ranging from 0.8V to 12V, allowing flexibility in design.
4. High Efficiency: Achieves efficiencies up to 95%, minimizing heat generation and improving overall system performance.
5. Switching Frequency: Operates at a fixed frequency of around 600kHz, enabling the use of smaller inductors and capacitors.
6. Protection Features: Includes overcurrent, over-temperature, and under-voltage lockout (UVLO) protection for enhanced reliability.
7. Soft-Start Function: Reduces inrush current during startup, ensuring smooth operation.
8. Package: Available in a compact QFN-16 package, facilitating space-saving designs.
These features make the MP28251GD-Z suitable for a variety of applications, including consumer electronics, automotive, and industrial systems.
Pinout
Key functions include:
1. Buck Converter: It provides efficient step-down voltage regulation.
2. Battery Charge Control: It supports various charging modes, including constant current and constant voltage.
3. Thermal Protection: It includes thermal regulation to prevent overheating.
4. Voltage/Current Monitoring: It offers features for monitoring battery voltage and current.
5. Power Path Management: Allows seamless transition between battery and power supply.
The MP28251GD-Z is suitable for applications such as smartphones, tablets, and other portable devices requiring efficient power management.
Manufacturer
MPS focuses on creating innovative power solutions that enhance efficiency and performance while minimizing board space and complexity. They are recognized for their commitment to quality and reliability, catering to a diverse customer base that includes major technology firms seeking advanced power management solutions. The MP28251GD-Z, specifically, is a highly integrated buck converter aimed at applications requiring efficient power conversion, making it suitable for mobile devices, IoT products, and other compact electronic systems.