PS9551AL4-V-E3-AX

ADCs/DACs - Special Purpose Overview

The PS9551AL4-V-E3-AX is a high-speed MOSFET output optocoupler manufactured by Renesas Electronics. It integrates an AlGaAs LED with a high-gain photodetector and a dedicated MOSFET driver to achieve fast switching speeds. The device provides electrical isolation between input and output circuits, featuring a 5000 Vrms insulation voltage rating. It operates within a temperature range of -40°C to +85°C and is housed in an 8-pin DIP package. Key electrical parameters include a propagation delay of 250 ns maximum and a rise/fall time of 150 ns typical.

ADCs/DACs - Special Purpose Feature Summary

• High-speed operation with 150 ns typical rise and fall times
• Integrated MOSFET driver for direct gate drive capability
• 5000 Vrms insulation voltage for robust isolation
• Wide operating temperature range from -40°C to +85°C

ADCs/DACs - Special Purpose Applications

• IGBT gate driving in industrial inverters
• Motor control systems requiring isolated switching
• Power supply feedback loops
• Solid-state relay (SSR) outputs

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix 'V-E3-AX' against the manufacturer's current datasheet to confirm pinout configuration and RoHS compliance status. Check for any Product Change Notifications (PCN) that may affect packaging or material composition prior to ordering. Confirm availability through authorized distributors as stock levels fluctuate.

ADCs/DACs - Special Purpose Selection Notes

Select this component when high-speed isolation is required for driving power MOSFETs or IGBTs. Ensure the input forward current requirements align with the source driver capabilities. Verify that the output current capacity meets the gate charge requirements of the target power device. Consider thermal management if operating near the upper temperature limit.

ADCs/DACs - Special Purpose Part Context

This part belongs to the PS9551 series of high-speed optocouplers designed for power electronics applications. The series offers improved speed compared to standard logic output optocouplers, making it suitable for modern switching frequencies. The 'L4' designation typically indicates specific packaging and lead form variations within the product line.

ADCs/DACs - Special Purpose Replacement Considerations

Direct replacements should be sought from the same PS9551 family with matching speed and isolation ratings. Verify pin compatibility before substituting with other high-speed MOSFET driver optocouplers. Cross-reference with PS9551 variants having similar propagation delays and insulation voltages.