HCPL-J456

Logic Output Optoisolators Overview

The HCPL-J456 is a logic output optocoupler featuring an AlGaAs LED and high-gain photodetector. It provides 3750 Vrms isolation voltage and operates within a -40°C to +100°C temperature range. Key electrical parameters include a maximum forward current of 20 mA, a forward voltage of 1.95 V max, and a continuous output current of 15 mA. The device offers a minimum current transfer ratio of 44% at IF=10mA and supports data rates up to 1 MBd. Propagation delays are specified as tPHL=480ns and tPLH=550ns, with a common-mode transient immunity of 15 kV/µs.

Logic Output Optoisolators Feature Summary

• Integrated 20kΩ output pull-up resistor enabled by shorting pins 6 and 7
• Minimized propagation delay difference for reduced switching dead time
• High common-mode transient immunity of 15 kV/µs

Logic Output Optoisolators Applications

• Intelligent Power Module (IPM) isolation
• IGBT and MOSFET gate drive interfaces
• Industrial inverter applications

Logic Output Optoisolators Procurement Notes

Verify the specific suffix against official Broadcom documentation to confirm package type and tape/reel specifications. Ensure the component meets required insulation standards such as UL 1577 or IEC/EN/DIN EN 60747-5-2 for your specific safety certification needs. Confirm operating temperature range compliance for industrial environments.

Logic Output Optoisolators Selection Notes

Select this component when minimized propagation delay difference is critical for inverter efficiency. The integrated pull-up resistor simplifies design by eliminating external components in IPM applications. Ensure the 3750 Vrms isolation rating matches system safety requirements and that the 15 kV/µs CMTI is sufficient for noisy power electronics environments.

Logic Output Optoisolators Part Context

This device belongs to the HCPL series of logic output optocouplers manufactured by Broadcom Limited. It utilizes AlGaAs LED technology for optical coupling, distinguishing it from GaAsP variants in the broader family. The part is designed specifically for robust industrial and power electronics applications requiring high-speed signal transmission with galvanic isolation.

Logic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.