HCPL-520K-300

Logic Output Optoisolators Overview

The HCPL-520K-300 is a high-speed logic output optoisolator manufactured by Broadcom Limited. It features a single channel with tri-state output capability and operates at data rates up to 5 MBd. The device provides galvanic isolation with a maximum continuous output current of 15 mA and a power dissipation rating of 200 mW. It supports an input forward voltage of 1.3 V and an input forward current of 8 mA. The component offers a common-mode transient immunity of 1 kV/µs and withstands 1500 VDC isolation voltage. Operating temperatures range from -55°C to +125°C, housed in an 8-DIP gull wing package.

Logic Output Optoisolators Feature Summary

• Provides fast galvanic isolation between input and output circuits for modern electronic systems.
• Features tri-state output logic suitable for bus-oriented communications.
• Designed for high-frequency operation supporting data rates up to 5 MBd.

Logic Output Optoisolators Applications

• Bus-oriented communication systems
• High-speed digital isolation interfaces
• Logic signal transmission across isolated boundaries

Logic Output Optoisolators Procurement Notes

Verify the specific suffix designation to ensure compatibility with required packaging and tape-and-reel specifications. Confirm that the tri-state logic output aligns with system bus requirements. Check isolation voltage ratings against application safety standards. Ensure thermal management meets the specified power dissipation limits during operation.

Logic Output Optoisolators Selection Notes

Select this component when high-speed data transmission requires robust galvanic isolation. The tri-state output facilitates connection to shared buses without constant driving. Consider the wide operating temperature range for industrial environments. Verify that the input current requirements match the driving circuit capabilities.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-520K series of high-speed optocouplers. It is designed to replace older logic output isolators requiring faster response times. The series supports various packaging options including surface mount and through-hole configurations. It serves as a standard solution for noise-immune signal transmission in digital circuits.

Logic Output Optoisolators Replacement Considerations

HCPL-5201#300 is a confirmed substitute within the same family offering similar high-speed performance and tri-state logic characteristics. Both parts share comparable electrical parameters and isolation ratings. Verify pinout compatibility and thermal requirements when substituting.