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ITS42K5D-LD-F Datasheet(PDF) 7 Page - Infineon Technologies AG |
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ITS42K5D-LD-F Datasheet(HTML) 7 Page - Infineon Technologies AG |
7 / 30 page Data Sheet 7 Rev 1.0, 2015-04-28 ITS42k5D-LD-F Functional Description Figure 4 Input / output timings when switching a resistive load. 4.3 Protection Functions Note: Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Integrated protection functions are designed to prevent IC destruction under fault conditions described in the data sheet. Fault conditions are considered as “outside” the normal operating range. Protection functions are neither designed for continuous nor repetitive operation. 4.3.1 Short Circuit Protection Short circuit is a special case of overload. The device is protected within the supply voltage range from V S = 4.5 V to 42 V. If the device stays in short circuit condition for a longer time the integrated temperature protection will switch the device OFF (both channels OFF). For details please look at chapter “Overtemperature Protection”. 4.3.2 Protection by Overtemperature Shutdown This circuit monitors the junction temperature T j. When the device is ON, the junction temperature Tj increases proportional to the power loss. The temperature protector is equipped with two temperature sensors, one for each one of the powerstages. When the thermal shutdown trip point T SDOFF is reached, the in-built protector switches OFF the respective channel. This overtemperature shutdown is reported via diagnosis to the respective status flag i.e. either ST1 and ST2. The output remains OFF until the junction is cooled down to the thermal shutdown release point T SDON. If the overload condition remains the device will toggle between both junction temperature values. It is not recommended for the device to stay in an overload condition as this will degrade its lifetime. VOUT VIN 10% 90% tON tOFF SR ON = (dV/dt) ON tf VINH VINL t 100% tr SR OFF = (dV/dt) OFF t |
Similar Part No. - ITS42K5D-LD-F_15 |
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Similar Description - ITS42K5D-LD-F_15 |
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