LTC4367HDD#PBF

Product Overview

Category: Integrated Circuit (IC)

Use: Overvoltage and reverse voltage protection

Characteristics: - Provides protection against overvoltage and reverse voltage conditions - Suitable for use in various electronic devices and systems - Compact and easy to integrate into circuit designs - Robust and reliable performance

Package: 8-Lead DFN (Dual Flat No-Lead)

Essence: The LTC4367HDD#PBF is a highly efficient integrated circuit designed to protect electronic devices from overvoltage and reverse voltage conditions. It offers reliable and compact protection, making it an ideal choice for a wide range of applications.

Packaging/Quantity: The LTC4367HDD#PBF is available in a 8-Lead DFN package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: -40V to 60V
• Overvoltage Threshold: Adjustable from 4.5V to 80V
• Reverse Voltage Protection: Up to -40V
• Operating Temperature Range: -40°C to 85°C
• Quiescent Current: 10μA (typical)
• Maximum Continuous Current: 2A

Pin Configuration

The LTC4367HDD#PBF features the following pin configuration:

1. VIN: Input voltage pin
2. GATE: Gate drive output pin
3. GND: Ground pin
4. FLT: Fault indicator output pin
5. OV: Overvoltage threshold adjustment pin
6. UV: Undervoltage threshold adjustment pin
7. VOUT: Output voltage pin
8. NC: No connection pin

Functional Features

• Overvoltage Protection: The LTC4367HDD#PBF monitors the input voltage and protects the connected circuitry from overvoltage conditions by quickly disconnecting the load when the voltage exceeds the set threshold.
• Reverse Voltage Protection: It also safeguards against reverse voltage conditions, preventing damage to the circuitry in case of accidental reverse polarity connection.
• Adjustable Thresholds: The overvoltage and undervoltage thresholds can be easily adjusted using external resistors, allowing customization for specific application requirements.
• Fault Indicator: The FLT pin provides a fault indication signal when an overvoltage or reverse voltage condition is detected, enabling easy monitoring and troubleshooting.

Advantages and Disadvantages

Advantages: - Efficient protection against overvoltage and reverse voltage conditions - Compact and easy to integrate into circuit designs - Adjustable thresholds for customization - Fault indicator for easy monitoring

Disadvantages: - Maximum continuous current limited to 2A

Working Principles

The LTC4367HDD#PBF utilizes a combination of internal circuitry and external components to provide effective overvoltage and reverse voltage protection. It continuously monitors the input voltage and compares it to the set thresholds. When an overvoltage or reverse voltage condition is detected, it rapidly disconnects the load from the input source, protecting the connected circuitry.

Detailed Application Field Plans

The LTC4367HDD#PBF can be used in various applications where protection against overvoltage and reverse voltage conditions is required. Some potential application fields include:

1. Power Supplies: Protecting power supply circuits from voltage spikes and reverse polarity connections.
2. Automotive Electronics: Safeguarding automotive electronic systems from voltage transients and accidental reverse polarity connections.
3. Industrial Control Systems: Providing reliable protection for control systems against voltage surges and reverse voltage incidents.
4. Battery Management: Ensuring the safety of battery-powered devices by preventing overvoltage and reverse voltage situations.

Detailed and Complete Alternative Models

1. LTC4366HDD#PBF: Similar to LTC4367HDD#PBF, but with a higher maximum continuous current rating of 4A.
2. LTC4368HDD#PBF: Offers additional features such as adjustable overvoltage and undervoltage hysteresis, suitable for more complex protection requirements.
3. LTC4369HDD#PBF: Designed specifically for high voltage applications, with an extended input voltage range up to 100V.

These alternative models provide similar functionality to the LTC4367HDD#PBF while offering different specifications and features to cater to diverse application needs.

In conclusion, the LTC4367HDD#PBF is a versatile integrated circuit that provides efficient protection against overvoltage and reverse voltage conditions. Its compact size, adjustable thresholds, and fault indicator make it an excellent choice for various electronic devices and systems.