HCPL-270L

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-270L is a single-channel optocoupler featuring an infrared LED and an integrated high-gain photodetector. It provides a current transfer ratio (CTR) ranging from 300% to 2600% at 1.6mA input. The device supports dual supply voltages of 3.3V and 5V with low input current requirements of 0.5mA. It offers an isolation voltage of 3750Vrms and operates within a temperature range up to +70°C. Packaged in an 8-DIP format, it ensures reliable signal transmission between isolated circuits.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates a light-emitting diode with a high-gain photodetector for extremely high current transfer ratios
• Compatible with LVTTL and LVCMOS logic families due to low input current requirements
• Supports dual supply voltage operation for both 3.3V and 5V systems
• Provides robust electrical isolation with a specified isolation voltage rating

Transistor, Photovoltaic Output Optoisolators Applications

• Isolating microprocessor systems from control interfaces
• Coupling logic signals across ground potential differences
• Interface applications requiring high gain and low input drive current
• Digital communication links in industrial environments

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code on the component marking to confirm packaging type and lead-free status. Ensure the procurement source provides valid datasheets matching the Broadcom Limited specifications. Confirm that the isolation voltage ratings align with your system safety requirements before integration into final designs.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current transfer ratio is critical for driving subsequent stages without additional amplification. Consider the 8-DIP package constraints for PCB layout. Evaluate the operating temperature limits against environmental conditions. Compare input current requirements against available drive capabilities in the source circuit.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-270L/070L/273L/073L series of high-gain optocouplers. These components are designed to replace traditional transistor-output optocouplers where higher gain is needed. The series utilizes advanced semiconductor processes to achieve superior performance metrics compared to standard discrete phototransistor outputs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements include other parts from the HCPL-270L family such as HCPL-070L or HCPL-273L if pin compatibility and gain specifications match. Verify that substitute devices maintain the same 3750Vrms isolation rating and DIP-8 package dimensions to ensure mechanical fit.