LTC4380IDD-1#PBF

Series:	--
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Clamping:	31.5V, 50V
Technology:	External Switch
Number of Circuits:	1
Applications:	Automotive
Mounting Type:	Surface Mount
Package / Case:	10-WFDFN Exposed Pad
Supplier Device Package:	10-DFN (3x3)
Voltage - Working:	4 ~ 80V
Base Part Number:	LTC4380

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Surge Suppression ICs

A surge suppression IC, also known as a surge protection IC, is a type of integrated circuit designed to protect sensitive components and circuits from damage caused by voltage and electrical surges. The most common form of surge suppression IC is the LTC4380IDD-1#PBF.This particular surge protection IC is a CMOS voltage supervisor with integrated circuit fusing protection. It provides protection against overvoltage, overcurrent, and ground-fault operations on a single device, and can be used in a variety of applications, such as automotive, industrial, and consumer electronics. The device provides a compact solution for protection against accidental insertions and electrostatic discharge (ESD) events.The LTC4380IDD-1#PBF provides an integrated current limiting feature that limits the current to the supply rails which is adjustable from 10 to 100A. This feature is particularly useful in applications where the current needs to be limited in order to avoid powered output failure. The device also provides a feature that allows for a variety of timing functions. This can be used to delay the output voltage and help protect against sudden voltage changes.The basic working principle of the LTC4380IDD-1#PBF is based on the detection of voltage levels. Whenever an abnormal high voltage level is detected, the device interrupts the power supply to the protected circuit. This interruption limits the voltage peak and consequently keeps the protected circuit to safe levels. To accomplish this, the device is made up of several components, such as a switch, fuse, linear regulator, current limiting feature, and voltage supervisor. The switch is responsible for controlling the power flow to the protected circuit. It operates according to the voltage levels and turns the power supply on or off. The fuse is connected to the switch and works by blowing itself when the voltage levels reach a certain threshold, thus preventing power flow to the protected circuit in the event of an overvoltage or overcurrent.The linear regulator is used to maintain the voltage levels within the correct range, while the current limiting feature limits the current to the supply rail. This feature is adjustable and helps to prevent overcurrent conditions that could cause device failure. Lastly, the voltage supervisor monitors the voltage levels and interrupts the power supply every time it falls out of range.Due to its design and features, the LTC4380IDD-1#PBF is a highly reliable surge protection IC that can be used in a wide range of applications. It is ideal for protecting sensitive equipment and components against voltage and current surges, and its current limiting feature is especially useful for limiting current in order to protect powered output failure.

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