HCPL-J456-300E

Logic Output Optoisolators Overview

The HCPL-J456-300E is a logic output optocoupler featuring an AlGaAs LED and high-gain photodetector. It provides one channel with a data rate of 1 MBd and isolation voltage of 3750 Vrms. The device supports a maximum continuous output current of 15 mA and operates within a temperature range of -40°C to 100°C. Key electrical parameters include a propagation delay of 480 ns (tPHL) and 550 ns (tPLH), with a minimum pulse width distortion of 450 ns. It offers a common-mode transient immunity of 15 kV/µs and a current transfer ratio exceeding 44% at IF=10mA.

Logic Output Optoisolators Feature Summary

• Integrated 20kΩ output pull-up resistor on-chip, activatable by shorting pins 6 and 7 to eliminate external components in IPM applications.
• Minimized propagation delay difference between devices to reduce switching dead-time and improve inverter efficiency.
• High common-mode transient immunity of 15 kV/µs for reliable operation in noisy industrial environments.

Logic Output Optoisolators Applications

• Isolated IGBT and MOSFET gate drivers
• Intelligent Power Module (IPM) interfaces
• Industrial inverter systems
• AC and brushless DC motor drives

Logic Output Optoisolators Procurement Notes

Verify the specific suffix '300E' corresponds to the tape-and-reel packaging format required for automated assembly processes. Confirm that the component meets RoHS directives and holds necessary safety certifications such as UL, CSA, and IEC/EN/DIN EN 60747-5-2 for the target market. Ensure the supplier provides valid traceability documentation for industrial-grade automotive or general industrial quality standards.

Logic Output Optoisolators Selection Notes

Select this component when designing circuits requiring isolated gate driving for power semiconductors with minimal timing skew. The integrated pull-up resistor simplifies PCB layout for IPM modules. Consider the 1 MBd speed limit and 15 mA output capability against load requirements. Verify thermal management needs for the -40°C to 100°C operating range in enclosed industrial enclosures.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-J456 series from Broadcom, designed specifically for high-performance power electronics isolation. It utilizes an AlGaAs LED technology distinct from GaAsP variants found in other series like HCPL-4506. The series targets applications demanding tight propagation delay matching and robust noise immunity in high-voltage switching environments.

Logic Output Optoisolators Replacement Considerations

Public confirmed substitutes include HCPL-J456-500E and HCPL-J454-300E. Verify pinout compatibility and specific parameter differences such as CTR and forward current ratings before substitution.