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TLP523(LF1,F) is listed in the Isolators - Gate Drivers range at ChipApex. The manufacturer field lists Toshiba Semiconductor and Storage. Its product description is PHOTOCOUPLER. Review the specifications below when checking this part for your BOM.
The TLP523(LF1,F) is a logic output optocoupler manufactured by Toshiba Semiconductor and Storage. It features a gallium arsenide infrared emitting diode coupled with a silicon Darlington-connected phototransistor. The device provides high isolation voltage of 5000 Vrms and supports a maximum continuous output current of 2.5 A. Key electrical parameters include a propagation delay of up to 300 ns, rise time of 50 ns, and fall time of 50 ns. It operates within a temperature range of -40°C to +110°C and dissipates up to 410 mW. The component is housed in an SOIC-16 package.
Verify the specific suffix (LF1,F) against official Toshiba documentation to confirm pinout and packaging details. Confirm RoHS compliance status through the manufacturer's current product guide. Check for obsolescence notices as some variants in this series may be discontinued. Ensure the SOIC-16 package matches your PCB footprint requirements before ordering.
Select this component when high isolation voltage and significant output current drive are required. The Darlington configuration offers higher gain compared to standard phototransistors. Consider the 50 ns switching speed for medium-frequency applications. Verify thermal management capabilities given the 410 mW power dissipation rating in enclosed environments.
This part belongs to the TLP523 series, which includes variants like TLP523-2 and TLP523-4. The series is characterized by its use in isolating control circuits from high-power sections. Toshiba positions these devices for industrial and automotive applications requiring reliable galvanic isolation.
Public confirmed substitute part numbers are not available in the provided source material. Users should consult Toshiba's official cross-reference tools or datasheets for compatible alternatives if this specific variant is unavailable.
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