MP1582EN-LF-Z

Product Overview

Category: Voltage Regulator
Use: Power management
Characteristics: High efficiency, low dropout voltage
Package: TO-263-5L
Essence: Integrated synchronous step-down converter
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.75V to 28V
• Output Voltage Range: 0.8V to 20V
• Maximum Output Current: 3A
• Dropout Voltage: 200mV at 1.5A
• Efficiency: Up to 95%
• Switching Frequency: 500kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP1582EN-LF-Z features a 5-pin TO-263 package with the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin for turning the regulator on/off
4. FB: Feedback pin for setting the output voltage
5. VOUT: Output voltage pin

Functional Features

• Integrated synchronous step-down converter
• Wide input voltage range for versatile applications
• High efficiency resulting in reduced power dissipation
• Low dropout voltage ensures stable output even with low input voltages
• Adjustable output voltage through external resistor divider
• Over-temperature protection and current limit for enhanced reliability

Advantages and Disadvantages

Advantages: - High efficiency leads to energy savings - Compact TO-263 package allows for space-efficient designs - Wide input voltage range enables compatibility with various power sources - Low dropout voltage ensures stable operation under varying load conditions

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power applications - Requires external components for proper operation

Working Principles

The MP1582EN-LF-Z is a synchronous step-down converter that utilizes a pulse-width modulation (PWM) control scheme. It operates by converting a higher input voltage to a lower output voltage with high efficiency. The integrated synchronous rectifier ensures minimal power loss during the conversion process. The regulator's feedback mechanism adjusts the duty cycle of the internal switches to maintain the desired output voltage.

Detailed Application Field Plans

The MP1582EN-LF-Z finds applications in various fields, including but not limited to:

1. Consumer electronics: Powering portable devices, such as smartphones and tablets.
2. Industrial equipment: Providing stable power supply for control systems and sensors.
3. Automotive electronics: Regulating voltage for infotainment systems and lighting modules.
4. Telecommunications: Power management in networking equipment and base stations.
5. LED lighting: Driving LEDs with precise voltage control and high efficiency.

Detailed and Complete Alternative Models

1. MP1583EN-LF-Z: Similar specifications with adjustable output current limit.
2. MP1584EN-LF-Z: Higher maximum output current of 5A with fixed output voltage.
3. MP1585EN-LF-Z: Lower dropout voltage and wider input voltage range.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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