Overview
The LT4363IMS-2#TRPBF, produced by Analog Devices Inc., is a high voltage surge stopper designed to protect loads from high voltage transients. This device regulates the output during overvoltage events by controlling the gate of an external N-channel MOSFET. It is particularly useful in applications requiring robust surge protection, such as avionic, industrial, and intrinsic safety environments. The LT4363IMS-2#TRPBF is available in various package options, including 12-pin MSOP and 16-pin SO packages, making it versatile for different design needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Voltage Range | 4V to 80V | V |
| UV Input Threshold | 1.24 to 1.31 | V |
| OV Input Threshold | Adjustable | V |
| Shutdown Current | Less than 7µA | A |
| Shutdown Pin Voltage Range | -60V to 100V | V |
| Fault Timer | Adjustable | - |
| Package Options | 12-Pin MSOP, 16-Pin SO | - |
| Retry Duty Cycle During Faults (LT4363-2) | Less than 1% | - |
Key Features
- Adjustable UV/OV comparator thresholds
- Low 7µA shutdown current
- Shutdown pin withstands -60V to 100V
- Adjustable fault timer
- Controls N-channel MOSFET
- Less than 1% retry duty cycle during faults (LT4363-2 version)
- Hot Swap™/Live Insertion capability
- High side switch for battery-powered systems
- Intrinsic safety applications
Applications
- Avionic and industrial surge protection
- Hot Swap™ and live insertion applications
- High side switching for battery-powered systems
- Intrinsic safety applications
- Cable drop compensation and current limit switches
- Digital power system management and energy monitoring
Q & A
- What is the primary function of the LT4363IMS-2#TRPBF?
The primary function is to protect loads from high voltage transients by regulating the output during overvoltage events. - What is the input voltage range of the LT4363IMS-2#TRPBF?
The input voltage range is from 4V to 80V. - What are the package options available for the LT4363IMS-2#TRPBF?
The device is available in 12-pin MSOP and 16-pin SO packages. - How does the LT4363IMS-2#TRPBF handle overvoltage conditions?
It regulates the output voltage during an overvoltage event and can turn off the MOSFET if the condition persists. - What is the shutdown current of the LT4363IMS-2#TRPBF?
The shutdown current is less than 7µA. - Can the LT4363IMS-2#TRPBF be used in hot swap applications?
Yes, it supports Hot Swap™ and live insertion applications. - What types of applications benefit from the intrinsic safety features of the LT4363IMS-2#TRPBF?
Intrinsic safety applications, such as those in hazardous environments, benefit from this feature. - How does the LT4363IMS-2#TRPBF protect against overcurrent conditions?
It features an adjustable current limit that protects against output short circuits or excessive load current. - What is the purpose of the fault timer in the LT4363IMS-2#TRPBF?
The fault timer is adjustable and helps ride through short-duration faults while shutting off the output for longer events to protect the MOSFET. - Is the LT4363IMS-2#TRPBF suitable for avionic applications?
Yes, it is suitable for avionic and industrial surge protection applications.
