MP3801DH-LF-Z

Product Overview

Category: Integrated Circuit (IC)

Use: The MP3801DH-LF-Z is a high-performance voltage regulator IC designed for use in various electronic devices. It provides stable and regulated power supply to ensure proper functioning of the connected components.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: The MP3801DH-LF-Z is available in a compact and industry-standard SOP-8 package, which allows for easy integration into different circuit designs.

Essence: This voltage regulator IC is an essential component in electronic devices that require a reliable and stable power supply. It ensures that the connected components receive the appropriate voltage levels, preventing damage and ensuring optimal performance.

Packaging/Quantity: The MP3801DH-LF-Z is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 0.8V - 16V
• Output Current: Up to 3A
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 80μA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP3801DH-LF-Z features an SOP-8 package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin (active high)
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. NC: No connection
7. NC: No connection
8. VREF: Reference voltage pin

Functional Features

• High Efficiency: The MP3801DH-LF-Z offers high efficiency, minimizing power loss and maximizing battery life in portable devices.
• Low Dropout Voltage: With a low dropout voltage, this IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The wide input voltage range allows for flexibility in various applications, accommodating different power sources.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected components from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature protects the IC from damage by shutting down the output until the temperature returns to a safe level.

Advantages and Disadvantages

Advantages: - High efficiency leads to improved power management. - Low dropout voltage ensures stable output voltage. - Wide input voltage range provides versatility in application. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - None identified at present.

Working Principles

The MP3801DH-LF-Z operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage (VREF). Any difference between these voltages is amplified and used to adjust the pass transistor, maintaining a constant output voltage regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

The MP3801DH-LF-Z finds applications in various electronic devices that require a stable and regulated power supply. Some potential application fields include: - Mobile devices - Portable audio players - Wireless communication systems - Industrial control systems - Automotive electronics - LED lighting systems

Detailed and Complete Alternative Models

• MP3802DH-LF-Z
• MP3803DH-LF-Z
• MP3804DH-LF-Z
• MP3805DH-LF-Z

These alternative models offer similar functionality and characteristics to the MP3801DH-LF-Z, providing options for different voltage and current requirements.

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