HCPL-4506#520

Logic Output Optoisolators Overview

The HCPL-4506#520 is a single-channel logic output optocoupler manufactured by Broadcom Limited. It features an AlGaAs LED input coupled to an open-collector photodetector with Schottky clamping and a built-in 20kΩ pull-up resistor. The device supports a data rate of 1 MBd and offers a maximum propagation delay of 650 ns. Key electrical parameters include a minimum current transfer ratio of 44%, an isolation voltage of 3750 Vrms, and a supply voltage range of 4.5V to 30V. It operates within a temperature range of -40°C to +100°C and is housed in an 8-pin PDIP package.

Logic Output Optoisolators Feature Summary

• Integrated 20kΩ output pull-up resistor for simplified IPM interface design
• Schottky-clamped open-collector output structure
• High common-mode transient immunity of 15 kV/µs
• Minimized propagation delay difference to reduce switching dead time

Logic Output Optoisolators Applications

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

Logic Output Optoisolators Procurement Notes

Verify the specific suffix '520' against the manufacturer's official datasheet to confirm insulation requirements and packaging specifications. Ensure the component matches the required DIP-8 gull wing through-hole mounting style. Confirm that the 3750 Vrms isolation rating aligns with the safety standards of the target application. Cross-reference the RoHS compliance status with the latest production documentation before finalizing procurement orders.

Logic Output Optoisolators Selection Notes

Select this component when designing circuits requiring high-speed digital isolation with integrated pull-up functionality. The open-collector output with Schottky clamping is suitable for driving low-inductive loads directly. Consider the 15 mA maximum continuous output current and 30V supply limit when sizing external components. The wide operating temperature range makes it appropriate for harsh industrial environments where thermal stability is critical for signal integrity.

Logic Output Optoisolators Part Context

This part belongs to the HCPL-4506 series of logic output optocouplers designed for power module interfaces. It utilizes an AlGaAs LED for efficient optical transmission. The series is characterized by high CMTI and fast switching speeds, distinguishing it from standard transistor-output optocouplers. It is engineered specifically to interface control logic with high-power semiconductor switches in compact packages.

Logic Output Optoisolators Replacement Considerations

HCPL-4506-520E