LTC4367IMS8#PBF

Product Overview

Category

LTC4367IMS8#PBF belongs to the category of integrated circuits (ICs) used in power management systems.

Use

This product is primarily used for protecting sensitive electronic components from overvoltage and reverse voltage conditions.

Characteristics

• Integrated circuit
• Overvoltage and reverse voltage protection
• Small form factor (package: MSOP-8)
• Low quiescent current
• Wide operating voltage range

Package and Quantity

LTC4367IMS8#PBF is packaged in an MSOP-8 package. It is typically sold in reels or tubes containing a specific quantity, usually 250 or 300 units per package.

Specifications

The specifications of LTC4367IMS8#PBF include:

• Operating Voltage Range: 2.5V to 5.5V
• Reverse Voltage Protection Threshold: -40V to -60V
• Overvoltage Protection Threshold: 4.3V to 6.1V
• Quiescent Current: 20µA (typical)
• Operating Temperature Range: -40°C to 85°C

Pin Configuration

The pin configuration of LTC4367IMS8#PBF is as follows:

```

---

| | --| VIN GND |-- Pin 1 --| VOUT EN |-- Pin 2 --| FLT PG |-- Pin 3 --| UV OV |-- Pin 4 |___________| ```

Pin Descriptions: - VIN: Input voltage pin - GND: Ground pin - VOUT: Output voltage pin - EN: Enable pin - FLT: Fault indicator pin - PG: Power good indicator pin - UV: Undervoltage threshold adjustment pin - OV: Overvoltage threshold adjustment pin

Functional Features

The LTC4367IMS8#PBF offers the following functional features:

1. Overvoltage Protection: Monitors the input voltage and protects the downstream circuitry by quickly disconnecting it when an overvoltage condition is detected.
2. Reverse Voltage Protection: Safeguards the circuit from reverse polarity connection, preventing damage to the components.
3. Fault Indication: Provides a fault signal (FLT) to indicate when a protection event has occurred.
4. Power Good Indicator: Generates a power good signal (PG) to indicate that the output voltage is within the acceptable range.
5. Undervoltage and Overvoltage Threshold Adjustment: Allows fine-tuning of the undervoltage and overvoltage protection thresholds according to specific application requirements.

Advantages and Disadvantages

Advantages: - Efficient protection against overvoltage and reverse voltage conditions - Compact form factor for space-constrained applications - Low quiescent current minimizes power consumption - Wide operating voltage range enhances versatility

Disadvantages: - Limited to applications requiring voltage protection in the specified voltage and temperature ranges - May require additional external components for complete system integration

Working Principles

The LTC4367IMS8#PBF operates based on a combination of voltage monitoring and MOSFET switching techniques. It continuously monitors the input voltage and compares it with the user-adjustable undervoltage and overvoltage thresholds. When an overvoltage or reverse voltage condition is detected, the internal MOSFET switches are rapidly turned off, isolating the downstream circuitry from the potentially damaging voltage. The fault indicator pin (FLT) provides a signal to notify the system of the protection event.

Application Field Plans

The LTC4367IMS8#PBF finds applications in various fields where protection against overvoltage and reverse voltage is crucial. Some potential application areas include:

1. Automotive Electronics: Protecting sensitive automotive electronic components from voltage transients and reverse battery connection.
2. Industrial Control Systems: Safeguarding control circuitry in industrial automation systems from voltage spikes and incorrect power supply connections.
3. Consumer Electronics: Preventing damage to portable devices, such as smartphones and tablets, due to faulty chargers or accidental reverse polarity connections.
4. Power Distribution Systems: Ensuring reliable and safe operation of power distribution equipment by protecting against voltage surges and reverse power flow.

Alternative Models

Some alternative models that offer similar functionality to LTC4367IMS8#PBF are:

1. MAX16054BETC+: Integrated circuit with overvoltage and undervoltage protection features.
2. TPS26600PWPR: Reverse voltage and overvoltage protection IC with adjustable thresholds.
3. ADM1275-1ACPZ-R7: Power switch IC with integrated overvoltage and reverse voltage protection.

These alternative models can be considered based on specific application requirements and compatibility with the system design.

Word count: 611 words