LM25576MH

The LM25576MH is a high-efficiency SIMPLE SWITCHER® buck regulator IC capable of delivering up to 3A of continuous output current. This IC features a wide input voltage range and integrated high-side and low-side power MOSFETs, making it ideal for various power management applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VIN: Input voltage
• EN: Enable pin
• SS/TR: Soft-start/Tracking
• FB: Feedback voltage
• PGND: Power ground
• AGND: Analog ground
• VOUT: Output voltage
• SYNC: Synchronization pin
• SS/TR: Soft-start/Tracking
• PGOOD: Power good indicator

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the LM25576MH IC for a visual representation.

Key Features

• High Efficiency: The LM25576MH offers high efficiency across a wide load range, reducing power losses.
• Wide Input Voltage Range: With an input voltage range of 4.5V to 42V, this IC is suitable for various input sources.
• Adjustable Output Voltage: The output voltage of the LM25576MH can be adjusted within a specified range using external resistors.
• Overcurrent Protection: Includes overcurrent protection to safeguard the IC and external components during fault conditions.
• Thermal Shutdown: Features thermal shutdown protection to prevent the IC from overheating under high load or fault conditions.

Note: For detailed technical specifications, please refer to the LM25576MH datasheet.

Application

• Power Management: Ideal for use in power management applications such as industrial equipment, automotive systems, and more.
• DC-DC Conversion: Suitable for step-down DC-DC conversion applications where high efficiency and compact size are required.
• Battery-Powered Devices: Used in devices powered by batteries or other energy sources requiring efficient power conversion.

Functionality

The LM25576MH is a high-performance buck regulator IC that efficiently converts high input voltages to lower output voltages, making it suitable for a wide range of power supply applications.

Usage Guide

• Input Power: Connect VIN (Pin 1) to the input voltage source within the specified range.
• Feedback Loop: Adjust the output voltage using external resistors connected to the FB pin (Pin 4).
• Enable Control: Use the EN pin (Pin 2) to enable or disable the regulator as needed.

Frequently Asked Questions

Q: What is the maximum output current of the LM25576MH?
A: The LM25576MH can deliver up to 3A of continuous output current, making it suitable for various power-hungry applications.

Q: Does the LM25576MH have built-in thermal protection?
A: Yes, the LM25576MH features thermal shutdown protection to prevent overheating and ensure safe operation under extreme conditions.