STMicroelectronics’ CLT03-2Q3 is a digital input current limiter which protects Programmable Logic Controllers (PLCs) or other digital devices from the risk of damage caused by excessive current transferred from input devices such as safety buttons or sensors.
The STMicroelectronics CLT03-2Q3 includes a de-glitch filter to maintain high immunity to EMI, for safer and more reliable operation.
The dual-channel CLT03-2Q3 requires no external power supply. The current limiter can drive either an optocoupler or a 3.3V LVTTL circuit. It is housed in a 16-lead QFN package measuring 2mm x 4mm.
Low power dissipation means that designers can use this current limiter to build compact systems comprised of densely mounted assemblies of I/O modules.
The STMicroelectronics CLT03-2Q3 current limiter enables designers to implement system designs which conform to standard industry requirements such as reverse polarity operation and over-voltage tolerance.
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Evaluation Board
The STEVAL-IFP035V1 board enables designers to evaluate circuit protection strategies for factory automation equipment using digital input current limiters between sensors and processing units such as PLCs.
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