LTC4361HTS8-1

Product Overview

Category: Integrated Circuit (IC)

Use: Overvoltage and reverse voltage protection

Characteristics: - Provides protection against overvoltage and reverse voltage conditions - Monitors the input voltage and disconnects the load when an overvoltage or reverse voltage is detected - Fast response time to protect sensitive electronic components - Low quiescent current consumption - Compact and easy-to-use package

Package: TSOT-23-8

Essence: The LTC4361HTS8-1 is a high-performance integrated circuit designed to provide robust overvoltage and reverse voltage protection for various electronic systems.

Packaging/Quantity: The LTC4361HTS8-1 is available in a TSOT-23-8 package. It is typically sold in reels of 2500 units.

Specifications

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

Pin Configuration

The LTC4361HTS8-1 has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| VOUT FLT |-- Pin 2: Fault Indicator Output --| EN OV |-- Pin 3: Enable and Overvoltage Threshold Adjustment --| UV RE |-- Pin 4: Undervoltage and Reverse Voltage Threshold Adjustment --| SS FB |-- Pin 5: Soft-Start and Feedback --| PG GATE|-- Pin 6: Power Good and Gate Drive Output --| UVLO VCC |-- Pin 7: Undervoltage Lockout and Supply Voltage --|___________| ```

Functional Features

• Overvoltage Protection: The LTC4361HTS8-1 monitors the input voltage and disconnects the load when an overvoltage condition is detected, preventing damage to downstream components.
• Reverse Voltage Protection: It also provides reverse voltage protection by disconnecting the load when a reverse voltage is applied, safeguarding the system from potential damage.
• Fault Indicator Output: The FLT pin provides a fault indication signal when an overvoltage or reverse voltage condition occurs.
• Enable and Threshold Adjustment: The EN and OV pins allow for enable/disable control and adjustment of the overvoltage threshold.
• Undervoltage and Threshold Adjustment: The UV and RE pins enable undervoltage and reverse voltage threshold adjustment.
• Soft-Start and Feedback: The SS and FB pins provide soft-start functionality and feedback for precise voltage regulation.
• Power Good and Gate Drive Output: The PG and GATE pins offer power good indication and gate drive output for external MOSFET control.
• Undervoltage Lockout and Supply Voltage: The UVLO and VCC pins handle undervoltage lockout and supply voltage requirements.

Advantages and Disadvantages

Advantages: - Provides robust protection against overvoltage and reverse voltage conditions - Fast response time ensures quick protection for sensitive electronic components - Adjustable thresholds allow customization for specific application requirements - Low quiescent current consumption minimizes power loss - Compact TSOT-23-8 package offers space-saving integration

Disadvantages: - Limited input voltage range (-40V to 60V) - Requires external MOSFET for load disconnection

Working Principles

The LTC4361HTS8-1 utilizes a combination of voltage monitoring, comparators, and control circuitry to provide overvoltage and reverse voltage protection. It continuously monitors the input voltage and compares it to the user-adjustable thresholds. When an overvoltage or reverse voltage condition is detected, the LTC4361HTS8-1 quickly disconnects the load by controlling an external MOSFET. This protects downstream components from potential damage.

Application Field Plans

The LTC4361HTS8-1 finds applications in various fields where overvoltage and reverse voltage protection is crucial. Some of the potential application areas include: - Power supply units - Battery charging systems - Automotive electronics - Industrial control systems - Communication equipment - Solar power systems

Alternative Models

• LTC4361CTS8-1: Similar functionality but available in a different package (TSOT-23-8)
• LTC4361ITS8-1: Similar functionality but available in a different package (TSOT-23-8)
• LTC4361HMS8-1: Similar functionality but available in a different package (MSOP-8)
• LTC4361CMS8-1: Similar functionality but