MP2497DS-LF

Product Overview

Category

MP2497DS-LF belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for power management and voltage regulation.

Characteristics

• Package: MP2497DS-LF is available in a small outline package (SOP) or a thin shrink small outline package (TSSOP).
• Essence: It is a high-efficiency synchronous step-down converter.
• Packaging/Quantity: The IC is typically sold in reels, with a quantity of 2500 units per reel.

Specifications

The MP2497DS-LF has the following specifications:

• Input Voltage Range: 4.5V to 18V
• Output Voltage Range: 0.6V to VIN
• Maximum Output Current: 3A
• Switching Frequency: 500kHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP2497DS-LF IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. SW: Switching node pin for connecting the inductor
6. PGND: Power ground pin
7. SS/TR: Soft-start/tracking pin for controlling the startup time
8. VOUT: Output voltage pin

Functional Features

The MP2497DS-LF offers the following functional features:

• High efficiency and low power dissipation
• Wide input voltage range for versatile applications
• Adjustable output voltage through feedback pin
• Overcurrent protection and thermal shutdown features
• Soft-start function for controlled startup
• Synchronous rectification for improved efficiency

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for flexibility in various applications - Overcurrent protection and thermal shutdown ensure safe operation - Soft-start function prevents excessive inrush current during startup

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power applications - Switching frequency of 500kHz may cause electromagnetic interference in sensitive systems

Working Principles

The MP2497DS-LF operates as a synchronous step-down converter. It converts a higher input voltage to a lower output voltage using pulse-width modulation (PWM) techniques. The IC controls the duty cycle of the switching transistor to regulate the output voltage. Synchronous rectification improves efficiency by reducing power losses.

Detailed Application Field Plans

The MP2497DS-LF is widely used in various electronic devices, including but not limited to:

1. Power supplies for computer peripherals
2. Battery-powered devices
3. Industrial automation equipment
4. LED lighting systems
5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MP2497DS-LF are:

1. LM2596S-ADJ: A popular buck converter IC with adjustable output voltage.
2. LT8610ABEMSE#PBF: A high-efficiency synchronous step-down converter with a wide input voltage range.
3. TPS54331DR: A compact and efficient synchronous buck converter IC.

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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