MP1587EN-LF

Product Overview

• Category: Voltage Regulator
• Use: Power Management
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Small package size
• Package: LF (Lead-Free)
• Essence: Voltage regulator IC
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 20V
• Maximum Output Current: 3A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP1587EN-LF has the following pin configuration:

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

• Integrated synchronous rectifier for improved efficiency
• Built-in over-current protection
• Thermal shutdown protection
• Soft-start function to reduce inrush current
• Adjustable output voltage through external resistors

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power dissipation - Wide input voltage range allows for versatile applications - Small package size saves board space - Over-current and thermal protection enhance reliability

Disadvantages: - Limited maximum output current of 3A - Dropout voltage of 200mV may affect performance in low voltage applications

Working Principles

The MP1587EN-LF is a voltage regulator IC that utilizes a synchronous buck converter topology. It regulates the input voltage to a desired output voltage with high efficiency. The integrated synchronous rectifier reduces power losses, while the soft-start function and over-current protection enhance system reliability.

Detailed Application Field Plans

The MP1587EN-LF is suitable for various applications, including but not limited to: - Power supplies for industrial equipment - Battery-powered devices - Automotive electronics - Telecommunications equipment - Consumer electronics

Detailed and Complete Alternative Models

1. MP1587EN: Similar specifications and features as MP1587EN-LF, but with leaded package option.
2. MP1587EN-ADJ: Adjustable output voltage version of MP1587EN-LF.
3. MP1587EN-XX: Various fixed output voltage options available within the same series.

These alternative models provide flexibility in meeting specific application requirements while maintaining similar functionality to the MP1587EN-LF.

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