LTC4380CDD-3#TRPBF

Introduction

The LTC4380CDD-3#TRPBF is a product belonging to the category of power management integrated circuits (PMICs). It is commonly used for power supply and power distribution applications, offering various characteristics that make it suitable for a wide range of electronic devices. This entry provides an overview of the LTC4380CDD-3#TRPBF, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Power Management Integrated Circuit (PMIC)
• Use: Power supply and power distribution applications
• Characteristics: High efficiency, overvoltage protection, undervoltage lockout, adjustable turn-on slew rate
• Package: DFN-10
• Essence: Ensures reliable power supply and protects downstream components
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 60V
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 25µA
• Maximum Supply Current: 1.5mA
• Overvoltage Threshold: Adjustable
• Undervoltage Lockout Threshold: Adjustable
• Turn-On Slew Rate: Adjustable

Detailed Pin Configuration

The LTC4380CDD-3#TRPBF features a DFN-10 package with the following pin configuration: 1. VIN 2. GATE 3. VOUT 4. FLT 5. UV 6. OV 7. SS 8. PG 9. GND 10. VREF

Functional Features

• Overvoltage Protection: Monitors the input voltage and protects downstream components from overvoltage conditions.
• Undervoltage Lockout: Ensures that the output remains off until the input voltage reaches a specified threshold, preventing erratic behavior during power-up or brownout conditions.
• Adjustable Turn-On Slew Rate: Allows users to control the rate at which the output voltage rises, minimizing inrush current and voltage overshoot.

Advantages and Disadvantages

Advantages: - Robust overvoltage protection - Wide input voltage range - Low quiescent current - Adjustable features for flexibility

Disadvantages: - Limited to DFN-10 package - Requires careful consideration of external component selection for optimal performance

Working Principles

The LTC4380CDD-3#TRPBF operates by continuously monitoring the input voltage and comparing it to the user-adjustable overvoltage and undervoltage lockout thresholds. When an overvoltage condition is detected, the device quickly turns off the external MOSFET to protect downstream circuitry. Similarly, during undervoltage conditions, the output remains off until the input voltage recovers, preventing unreliable operation.

Detailed Application Field Plans

The LTC4380CDD-3#TRPBF finds applications in various fields, including: - Industrial automation - Automotive electronics - Telecommunications equipment - Renewable energy systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the LTC4380CDD-3#TRPBF include: - LTC4366 - TPS25921 - MAX16054 - ADP2384

In conclusion, the LTC4380CDD-3#TRPBF is a versatile PMIC designed to provide robust overvoltage protection and precise control over power supply operations. Its adjustable features and wide input voltage range make it suitable for diverse applications across different industries.

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