AN2846 Datasheet, PDF (1/35 Pages) STMicroelectronics – The serial current limited termination device

AN2846
Application note
SCLT3-8 - guidelines for use in industrial automation applications
Introduction
The serial current limited termination device SCLT3-8 provides 8 inputs and supports the
data transfer of the input states through a limited opto-transistor count thanks to the digital
SPI (serial peripheral interface).
The purpose of this document is to:
■ Help designers to use the SCLT3-8 in basic operations and to allow them to use it easily
in their own applications by describing the SCLT3-8 behavior in detail (Refer also to the
SCLT3-8 device datasheet and to the User guide for the evaluation board
STEVAL-IFP000V1.)
■ Provide basic schematic diagrams
■ Provide information on the thermal behavior of the SCLT3-8 device
■ Offer recommendations to achieve robust SCLT3-8 designs to optimize EMI protection in
accordance with industry standards (IEC 61000-4-2, 4-4, 4-5 and 4-6)
February 2010
Doc ID 15130 Rev 1
1/35
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