CAT874-80ULGT3

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low voltage, high current power switch - Ultra-low on-resistance - Fast switching speed - Overcurrent protection - Thermal shutdown protection

Package: TO-220

Essence: The CAT874-80ULGT3 is a power management IC designed for low voltage applications. It provides a high current power switch with ultra-low on-resistance and fast switching speed.

Packaging/Quantity: The CAT874-80ULGT3 is available in a TO-220 package. Each package contains one unit of the IC.

Specifications

• Input Voltage Range: 2.5V - 5.5V
• Maximum Continuous Current: 8A
• On-Resistance: 80mΩ
• Switching Frequency: Up to 1MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CAT874-80ULGT3 has the following pin configuration:

1. GND (Ground)
2. IN (Input)
3. EN (Enable)
4. OUT (Output)

Functional Features

• Low voltage operation allows compatibility with various electronic devices.
• High current capability enables efficient power delivery.
• Ultra-low on-resistance minimizes power loss and heat generation.
• Fast switching speed ensures quick response and reduced switching losses.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating and damage to the IC.

Advantages

• Compact size and TO-220 package make it suitable for space-constrained applications.
• Wide input voltage range allows flexibility in different power supply scenarios.
• High current handling capability meets the requirements of power-hungry devices.
• Efficient power delivery reduces energy consumption and improves overall system performance.
• Overcurrent and thermal protection features enhance the reliability and durability of the IC.

Disadvantages

• Limited to low voltage applications, not suitable for high voltage power management.
• The TO-220 package may require additional heat dissipation measures in high-power applications.
• Higher on-resistance compared to some alternative models may result in slightly higher power losses.

Working Principles

The CAT874-80ULGT3 operates as a power switch by controlling the flow of current between the input and output pins. When the enable pin (EN) is activated, the IC allows current to pass from the input pin (IN) to the output pin (OUT). The ultra-low on-resistance ensures minimal voltage drop across the switch, resulting in efficient power delivery.

Detailed Application Field Plans

The CAT874-80ULGT3 is commonly used in various low voltage applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

1. CAT875-100ULGT3: Similar to CAT874-80ULGT3, but with a higher continuous current rating of 10A.
2. CAT872-60ULGT3: Lower on-resistance (60mΩ) version of CAT874-80ULGT3, suitable for applications requiring lower power losses.
3. CAT876-120ULGT3: Higher current handling capability (12A) variant of CAT874-80ULGT3, suitable for power-hungry devices.

These alternative models offer similar functionality with slight variations in specifications to cater to different application requirements.

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