SL5511

Overview

The SL5511 is a photovoltaic output optoisolator manufactured by onsemi. It features a gallium arsenide infrared emitting diode coupled with a photovoltaic detector to provide electrical isolation between input and output circuits. The device utilizes a photovoltaic detection mechanism, distinguishing it from transistor or logic-output isolators. This component is designed for applications requiring high isolation voltage and reliable signal transmission in compact packages.

Feature Summary

• Photovoltaic output detection mechanism
• Infrared LED emitter coupled with photovoltaic detector
• High isolation voltage capability

Applications

• General purpose signal isolation
• Power supply feedback loops
• Microcontroller interface isolation

Procurement Notes

Verify current manufacturing status as the SL5511 is listed as obsolete and no longer manufactured. Confirm availability of substitute parts such as the H11AV1M if sourcing new inventory is required. Ensure compatibility with existing design constraints when selecting replacement components.

Selection Notes

Select this component only if legacy designs specifically require the SL5511 form factor and performance characteristics. Evaluate alternative photovoltaic optocouplers for new designs due to obsolescence. Consider isolation voltage requirements and package dimensions during selection.

Part Context

The SL5511 belongs to onsemi's portfolio of optoelectronic devices, specifically within the category of photovoltaic output optoisolators. These devices are part of standard product lines used for electrical isolation in various electronic systems. The component represents a specific implementation of galvanic isolation technology using light coupling.

Replacement Considerations

Available substitutes include the H11AV1M. Verify pinout compatibility and electrical specifications before substitution.