MP3802DH-LF-Z

Product Overview

Category: Integrated Circuit (IC)

Use: The MP3802DH-LF-Z is a versatile integrated circuit designed for various applications in electronic devices. It provides essential functions and features that enhance the performance and efficiency of electronic systems.

Characteristics: - High reliability and durability - Low power consumption - Compact size - Wide operating voltage range - Excellent noise immunity

Package: The MP3802DH-LF-Z is available in a compact and robust package, ensuring easy integration into electronic circuits. The package provides protection against environmental factors such as moisture, dust, and mechanical stress.

Essence: This integrated circuit serves as a crucial component in electronic systems, enabling them to perform specific tasks efficiently and reliably.

Packaging/Quantity: The MP3802DH-LF-Z is typically packaged in reels or tubes, depending on the manufacturer's specifications. The quantity per package may vary, but it is commonly available in quantities suitable for both small-scale and large-scale production.

Specifications

The MP3802DH-LF-Z has the following specifications:

• Input Voltage Range: 3V - 5.5V
• Output Voltage Range: 0.8V - 3.6V
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 50μA (typical)
• Switching Frequency: 1.2MHz (typical)
• Efficiency: Up to 95%

Detailed Pin Configuration

The MP3802DH-LF-Z features a standard pin configuration, as follows:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. SW: Switching pin
6. VOUT: Output voltage pin

Functional Features

The MP3802DH-LF-Z offers the following functional features:

• Wide input voltage range allows compatibility with various power sources.
• High efficiency ensures minimal power loss during operation.
• Overcurrent protection safeguards the circuit and connected devices.
• Thermal shutdown protection prevents overheating.
• Soft-start feature reduces inrush current during startup.

Advantages and Disadvantages

Advantages: - Versatile and adaptable to different applications - Compact size enables integration into space-constrained designs - High efficiency leads to energy savings - Robust protection features enhance system reliability - Wide operating temperature range allows for use in diverse environments

Disadvantages: - Limited maximum output current may not be suitable for high-power applications - Requires careful consideration of thermal management due to compact size

Working Principles

The MP3802DH-LF-Z operates as a step-down (buck) converter, converting a higher input voltage to a lower output voltage. It utilizes pulse-width modulation (PWM) techniques to regulate the output voltage accurately. The integrated circuit employs a control loop that continuously adjusts the duty cycle of the switching transistor to maintain the desired output voltage.

Detailed Application Field Plans

The MP3802DH-LF-Z finds applications in various electronic systems, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets) - Battery-powered devices - IoT (Internet of Things) devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. MP3801DH-LF-Z: Similar to MP3802DH-LF-Z but with a lower maximum output current of 500mA.
2. MP3803DH-LF-Z: Similar to MP3802DH-LF-Z but with a higher maximum output current of 1.5A.
3. MP3804DH-LF-Z: Similar to MP3802DH-LF-Z but with additional features such as adjustable output voltage and synchronization capability.

These alternative models provide options for different power requirements and specific application needs.

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