HCPL-4534#520

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4534#520 is a high-speed optocoupler featuring two independent channels within an SOIC-8 surface-mount package. It delivers a data rate of 1 Mb/s with an isolation voltage of 3750 Vrms. The device utilizes phototransistor outputs capable of handling up to 8 mA collector current, driven by a maximum forward input current of 25 mA. Key electrical parameters include a typical forward voltage of 1.5 V and a reverse voltage rating of 5 V. It operates reliably across a temperature range of -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-speed signal transmission at 1 Mb/s for efficient data isolation
• Features dual-channel architecture for simultaneous isolated signal processing
• Offers robust electrical isolation with 3750 Vrms insulation capability
• Utilizes compact SOIC-8 surface-mount packaging for automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial communication bus isolation
• Power supply feedback loops
• Signal interfacing between microcontrollers and power stages

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix #520 against official Broadcom documentation to confirm the exact reel quantity and RoHS compliance status. Ensure the procurement channel provides valid traceability for this obsolete component series. Confirm that the received units match the specified SOIC-8 footprint and pinout configuration before integration into production designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required alongside moderate speed performance. The phototransistor output suits applications where standard logic levels are acceptable. Consider the thermal management requirements given the operating temperature limits. Evaluate the trade-off between the 1 Mb/s speed and the lower cost compared to faster gate-driver variants.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the Broadcom HCPL-4534 family of high-speed optocouplers. These devices are designed to replace conventional phototransistor optocouplers, offering significantly faster switching speeds. The family typically includes various package options and channel configurations to support diverse industrial and commercial isolation needs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct cross-references from other manufacturers such as Vishay or ON Semiconductor. Verify that any substitute maintains the 1 Mb/s data rate and 3750 Vrms isolation rating. Ensure the replacement package matches the SOIC-8 dimensions and pin assignment to avoid PCB redesign.