LTC4380CMS-4#PBF

Product Overview

The LTC4380CMS-4#PBF belongs to the category of power management integrated circuits (PMICs). It is commonly used for power supply and power distribution applications. The LTC4380CMS-4#PBF is characterized by its high efficiency, low power consumption, and robust packaging. It is available in a small MSOP package and is an essential component in ensuring reliable power delivery in various electronic systems.

Basic Information

• Category: Power Management Integrated Circuit (PMIC)
• Use: Power supply and power distribution applications
• Characteristics: High efficiency, low power consumption, robust packaging
• Package: MSOP
• Essence: Ensuring reliable power delivery
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on supplier

Specifications

• Input Voltage Range: 2.5V to 60V
• Operating Temperature Range: -40°C to 125°C
• Quiescent Current: 50µA
• Maximum Output Current: 4A
• Switching Frequency: 400kHz
• Fault Threshold Voltage: Adjustable from 1.5V to 6V

Detailed Pin Configuration

The LTC4380CMS-4#PBF features the following pin configuration: 1. VIN: Input voltage 2. GATE: Gate driver output 3. FLT: Fault indicator 4. GND: Ground 5. VCC: Supply voltage 6. OV: Overvoltage protection 7. UV: Undervoltage protection 8. REF: Reference voltage

Functional Features

• Overvoltage Protection: Monitors the input voltage and protects downstream components from overvoltage conditions.
• Undervoltage Lockout: Ensures that the system remains off until the input voltage reaches a predetermined threshold.
• Adjustable Fault Threshold: Allows flexibility in setting the fault detection threshold to suit specific application requirements.
• Low Quiescent Current: Minimizes power consumption during standby or idle modes.

Advantages and Disadvantages

Advantages

• Robust overvoltage protection
• Low quiescent current
• Adjustable fault threshold
• Wide input voltage range

Disadvantages

• Limited maximum output current compared to some alternative models
• May require external components for specific applications

Working Principles

The LTC4380CMS-4#PBF operates by continuously monitoring the input voltage and comparing it to the adjustable fault threshold. When an overvoltage condition is detected, the device quickly turns off the external MOSFET to protect downstream circuitry. Additionally, the undervoltage lockout feature ensures that the system remains off until the input voltage reaches a safe operating level.

Detailed Application Field Plans

The LTC4380CMS-4#PBF finds extensive use in various applications, including: - Industrial power supplies - Automotive electronics - Telecommunications equipment - Renewable energy systems - Battery management systems

Detailed and Complete Alternative Models

Some alternative models to the LTC4380CMS-4#PBF include: - LTC4366 - TPS25921 - MAX16054 - ADP2384

These alternative models offer similar functionalities with varying specifications and packaging options, providing designers with choices based on their specific project requirements.

In conclusion, the LTC4380CMS-4#PBF is a versatile PMIC with robust overvoltage protection, low power consumption, and a wide input voltage range, making it suitable for diverse power supply and distribution applications across different industries.

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