PS9531L3-AX

Isolators - Gate Drivers Overview

The PS9531L3-AX is a single-channel logic output optocoupler designed for IGBT gate drive applications. It features a Photo IC output with a maximum continuous output current of 2.5 A and an isolation voltage of 5000 Vrms. The device operates within a temperature range of -40°C to +125°C. Key electrical parameters include a typical rise time of 50 ns, fall time of 40 ns, and a maximum propagation delay of 175 ns. It supports a forward current of 10 mA with a forward voltage of 1.56 V and reverse voltage of 5 V. Power dissipation is rated at 45 mW or 250 mW depending on conditions.

Isolators - Gate Drivers Feature Summary

• High common-mode transient immunity of 50 kV/µs for reliable noise rejection in high-speed switching environments.
• Integrated gate driver capability delivering up to 2.5 A output current suitable for direct IGBT and Power MOSFET control.
• Robust insulation performance with 5000 Vrms isolation voltage ensuring safety in high-voltage industrial circuits.

Isolators - Gate Drivers Applications

• IGBT gate driving
• Power MOSFET gate driving
• Industrial inverters
• Induction heating systems

Isolators - Gate Drivers Procurement Notes

Verify the manufacturer designation carefully, as this component is associated with both Renesas Electronics and CEL (California Eastern Laboratories) across different supply channels. Confirm that the specific ordering suffix matches the required package type and compliance standards. Ensure the source documentation aligns with the intended application requirements before finalizing procurement orders to avoid compatibility issues.

Isolators - Gate Drivers Selection Notes

Select this component when high-speed isolation with significant current drive capability is required for power semiconductor gates. The 5000 Vrms isolation rating makes it suitable for demanding industrial environments. Consider the 175 ns maximum propagation delay and 50 ns rise time for timing-sensitive designs. Ensure the operating temperature range of -40°C to +125°C meets the environmental constraints of the target system.

Isolators - Gate Drivers Part Context

This part belongs to the PS9531 series of photocouplers, which are specialized for gate drive applications. The series includes variants such as PS9531L1, L2, and L3, differentiated by specific electrical characteristics and packaging options. The PS9531L3-AX specifically utilizes an 8-SMD gull wing package, distinguishing it from DIP versions within the same functional family.

Isolators - Gate Drivers Replacement Considerations

Public confirmed substitute part numbers include PS9531L3-E3-A and PS9531L3-E3-AX. Verify pinout compatibility and electrical parameter equivalence before substitution. Note that some distributors list these under different manufacturer names, so cross-reference datasheets to ensure functional parity.

Isolators - Gate Drivers FAQ

What is the maximum continuous output current of the PS9531L3-AX?

The maximum continuous output current is 2.5 A.

Does the PS9531L3-AX support induction heating applications?

Yes, induction heating is listed as a target application for this component.