Linear Technology/QD Devices
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LTC4361ITS8-1#TRMPBF
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LTC4361ITS8-1#TRMPBF

Product Overview

Category

The LTC4361ITS8-1#TRMPBF 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 voltage transients and overvoltage events.

Characteristics

  • Voltage transient protection
  • Overvoltage protection
  • Reverse voltage protection
  • Low quiescent current
  • Wide operating voltage range

Package

The LTC4361ITS8-1#TRMPBF is available in a small 8-pin ThinSOT package, which allows for easy integration into various circuit designs.

Essence

The essence of this product lies in its ability to safeguard electronic devices by preventing damage caused by voltage spikes and overvoltage conditions.

Packaging/Quantity

The LTC4361ITS8-1#TRMPBF is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Operating Voltage Range: 2.5V to 5.5V
  • Quiescent Current: 10µA (typical)
  • Overvoltage Threshold: Adjustable from 2.5V to 5.5V
  • Reverse Voltage Protection: Up to -40V
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The LTC4361ITS8-1#TRMPBF features the following pin configuration:

  1. GATE: Gate drive output for external N-channel MOSFET.
  2. VIN: Input voltage.
  3. VOUT: Output voltage.
  4. GND: Ground reference.
  5. FB: Feedback pin for adjusting overvoltage threshold.
  6. UVLO: Undervoltage lockout input.
  7. OVLO: Overvoltage lockout input.
  8. EN: Enable pin for turning on/off the device.

Functional Features

  • Overvoltage Protection: Monitors the input voltage and shuts off the external MOSFET when it exceeds the set threshold, preventing damage to downstream components.
  • Reverse Voltage Protection: Safeguards against reverse polarity connection by blocking current flow in the reverse direction.
  • Undervoltage Lockout: Ensures that the device remains off until the input voltage reaches a specified threshold, preventing improper operation during low voltage conditions.
  • Enable Pin: Allows for easy control of the device's operation by enabling or disabling its functionality.

Advantages and Disadvantages

Advantages

  • Provides robust protection against voltage transients and overvoltage events.
  • Low quiescent current ensures minimal power consumption.
  • Wide operating voltage range allows for versatile application in various systems.
  • Small package size enables space-efficient integration into circuit designs.

Disadvantages

  • Limited to applications within the specified operating voltage range.
  • Requires an external N-channel MOSFET for complete functionality.

Working Principles

The LTC4361ITS8-1#TRMPBF operates by continuously monitoring the input voltage. When the voltage exceeds the set threshold, the device quickly turns off the external MOSFET, disconnecting the load from the input source. This prevents excessive voltage from reaching downstream components, protecting them from damage. Additionally, the device incorporates reverse voltage protection to prevent current flow in the reverse direction, further enhancing system reliability.

Detailed Application Field Plans

The LTC4361ITS8-1#TRMPBF finds applications in various fields, including:

  1. Power supply units: Protects sensitive electronic components from voltage spikes and overvoltage events in power supply circuits.
  2. Automotive electronics: Safeguards automotive systems from voltage transients and reverse polarity connections.
  3. Industrial control systems: Provides reliable protection for industrial control equipment against voltage fluctuations and reverse voltage conditions.
  4. Communication systems: Ensures the integrity of communication equipment by preventing damage caused by voltage surges.

Detailed and Complete Alternative Models

  1. LTC4360ITS8-1#TRMPBF: Similar to LTC4361ITS8-1#TRMPBF, but with a different pin configuration.
  2. LTC4362ITS8-1#TRMPBF: Offers additional features such as adjustable undervoltage lockout and fault flag output.
  3. LTC4363ITS8-1#TRMPBF: Provides enhanced overvoltage protection with adjustable threshold and adjustable response time.

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

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기술 솔루션에 LTC4361ITS8-1#TRMPBF 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of LTC4361ITS8-1#TRMPBF in technical solutions:

Q1: What is the LTC4361ITS8-1#TRMPBF? A1: The LTC4361ITS8-1#TRMPBF is a specific model of the LTC4361, which is a high voltage surge stopper designed to protect loads from overvoltage and overcurrent conditions.

Q2: What is the input voltage range of LTC4361ITS8-1#TRMPBF? A2: The input voltage range of LTC4361ITS8-1#TRMPBF is typically between 2.5V and 80V.

Q3: How does LTC4361ITS8-1#TRMPBF protect against overvoltage? A3: LTC4361ITS8-1#TRMPBF uses an internal circuitry to monitor the input voltage and quickly disconnects the load when an overvoltage condition is detected, preventing damage to the load.

Q4: Can LTC4361ITS8-1#TRMPBF handle high current loads? A4: Yes, LTC4361ITS8-1#TRMPBF can handle high current loads up to a maximum continuous current of 6A.

Q5: Is LTC4361ITS8-1#TRMPBF suitable for automotive applications? A5: Yes, LTC4361ITS8-1#TRMPBF is suitable for automotive applications as it can withstand automotive transients and has a wide operating temperature range.

Q6: Does LTC4361ITS8-1#TRMPBF have reverse polarity protection? A6: No, LTC4361ITS8-1#TRMPBF does not have built-in reverse polarity protection. Additional circuitry may be required for reverse polarity protection.

Q7: Can LTC4361ITS8-1#TRMPBF handle short-circuit conditions? A7: Yes, LTC4361ITS8-1#TRMPBF can handle short-circuit conditions and will limit the current to a safe level.

Q8: What is the typical response time of LTC4361ITS8-1#TRMPBF during overvoltage events? A8: The typical response time of LTC4361ITS8-1#TRMPBF during overvoltage events is around 10µs.

Q9: Does LTC4361ITS8-1#TRMPBF have an adjustable overvoltage threshold? A9: No, LTC4361ITS8-1#TRMPBF has a fixed overvoltage threshold set at approximately 5% above the nominal input voltage.

Q10: Can LTC4361ITS8-1#TRMPBF be used in parallel for higher current applications? A10: Yes, multiple LTC4361ITS8-1#TRMPBF devices can be used in parallel to increase the current handling capability. Proper current sharing techniques should be implemented.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information and application-specific questions.