TCST1103 footprint, schematic symbol and 3D model by Vishay

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TCST1103 Details

The recommended PCB layout for the TCST1103 involves placing the device close to the voltage regulator output, using a solid ground plane, and minimizing the distance between the device and the load to reduce noise and EMI.
To ensure the TCST1103 is properly biased, connect the VCC pin to a stable voltage source, and the GND pin to a solid ground plane. Also, ensure that the input voltage is within the recommended operating range of 2.7V to 5.5V.
The TCST1103 can handle a maximum current of 150mA, but it's recommended to derate the current to 100mA for reliable operation and to prevent overheating.
To protect the TCST1103 from ESD and overvoltage, use a TVS diode or a zener diode on the input pin, and consider adding a series resistor to limit the input current. Also, ensure that the input voltage does not exceed the maximum rating of 6V.
The typical response time of the TCST1103 is around 10μs, but this can vary depending on the input voltage, temperature, and output load.

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