LTC4365CDDB#TRMPBF

Product Overview

Category

LTC4365CDDB#TRMPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for overvoltage and reverse voltage protection in electronic circuits.

Characteristics

• Overvoltage protection: Prevents damage to sensitive components by limiting the voltage across them.
• Reverse voltage protection: Safeguards against accidental reverse polarity connection.
• Integrated circuit: Compact design that combines multiple functions into a single chip.
• Low power consumption: Efficient operation with minimal power requirements.

Package

LTC4365CDDB#TRMPBF is available in a DFN (Dual Flat No-Lead) package.

Essence

The essence of this product lies in its ability to protect electronic circuits from overvoltage and reverse voltage, ensuring their safe and reliable operation.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Overvoltage Threshold: Adjustable from 2.7V to 5.5V
• Reverse Voltage Protection Threshold: -40V to -60V
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 20µA (typical)

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GATE: Gate control pin for external N-channel MOSFET
3. VOUT: Output voltage pin
4. GND: Ground pin
5. OV: Overvoltage threshold adjustment pin
6. REVERSE: Reverse voltage protection threshold adjustment pin

Functional Features

• Overvoltage Protection: Monitors the input voltage and shuts off the external MOSFET when it exceeds the set threshold.
• Reverse Voltage Protection: Detects reverse voltage and disconnects the load from the input source to prevent damage.
• Adjustable Thresholds: Allows customization of overvoltage and reverse voltage protection thresholds.
• Fast Response Time: Quickly reacts to voltage anomalies, minimizing the risk of component damage.
• Low Quiescent Current: Ensures minimal power consumption during normal operation.

Advantages and Disadvantages

Advantages

• Compact and integrated solution for voltage protection.
• Customizable thresholds for specific application requirements.
• Efficient and reliable protection against overvoltage and reverse voltage.
• Fast response time prevents damage to sensitive components.

Disadvantages

• Limited input voltage range (2.5V to 5.5V).
• Requires an external N-channel MOSFET for operation.

Working Principles

The LTC4365CDDB#TRMPBF operates by continuously monitoring the input voltage. When the voltage exceeds the set overvoltage threshold, the external MOSFET is turned off, protecting downstream components. Similarly, if a reverse voltage is detected, the load is disconnected from the input source to prevent damage. The adjustable thresholds allow customization based on specific application requirements.

Detailed Application Field Plans

The LTC4365CDDB#TRMPBF finds applications in various fields where overvoltage and reverse voltage protection are crucial. Some examples include:

1. Power Supplies: Protecting sensitive electronic devices from voltage spikes and reverse polarity connections.
2. Automotive Electronics: Safeguarding automotive circuits from voltage transients and accidental reverse battery connections.
3. Industrial Control Systems: Preventing damage to control circuitry due to voltage surges or incorrect power supply connections.
4. Battery Management: Ensuring safe charging and discharging of batteries by protecting against overvoltage and reverse voltage conditions.

Detailed and Complete Alternative Models

1. LTC4364: Similar functionality with adjustable overvoltage and reverse voltage protection thresholds.
2. MAX6495: Integrated overvoltage and reverse voltage protection IC with wide input voltage range.
3. TPS2660: Overvoltage and reverse voltage protection device with built-in power MOSFET.

These alternative models offer similar features and can be considered based on specific application requirements.

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