TLP155E(E)

Logic Output Optoisolators Overview

The TLP155E(E) is a logic output optocoupler featuring a GaAlAs infrared LED and an integrated high-speed photodetector with a push-pull totem pole output. It provides 3750 Vrms isolation and operates within a -40°C to +100°C temperature range. The device supports a maximum DC forward current of 20 mA and a continuous output current of 50 mA, with a supply voltage range of 10V to 30V. Key electrical parameters include a propagation delay of 170 ns (max), rise time of 35 ns, and fall time of 15 ns. It offers a common-mode transient immunity of 15 kV/µs and is housed in a 6-SO, 5-lead package.

Logic Output Optoisolators Feature Summary

• Integrated high-speed photodetector with internal Faraday shield for enhanced noise immunity
• Push-pull totem pole output configuration for direct gate driving capability
• High common-mode transient immunity rated at 15 kV/µs
• Lead-free construction compliant with RoHS standards

Logic Output Optoisolators Applications

• Direct gate driver circuits for IGBTs
• Direct gate driver circuits for power MOSFETs
• Plasma Display Panel (PDP) systems
• Industrial inverter control circuits

Logic Output Optoisolators Procurement Notes

Verify the specific suffix designation when ordering, as variations such as (TPL,E) indicate reel or cut-tape packaging options. Confirm that the required isolation voltage and output current specifications align with the target application's safety and performance requirements before finalizing procurement.

Logic Output Optoisolators Selection Notes

Select this component for applications requiring fast switching speeds and high noise immunity in isolated gate drive environments. Ensure the input current does not exceed the maximum rating and that the load current remains within the continuous output limits. Verify thermal management capabilities given the operating temperature range and power dissipation constraints.

Logic Output Optoisolators Part Context

This device belongs to Toshiba's TLP155 series of photocouplers designed for industrial and consumer electronics. It utilizes a GaAlAs infrared LED coupled with a silicon photodetector. The series is characterized by its compact SO6 package and suitability for high-voltage isolation tasks in power conversion and display technologies.

Logic Output Optoisolators Replacement Considerations

Check for compatible substitutes within the same family, such as the TLP155E(TPR), ensuring pinout and electrical characteristics match. Verify that any alternative component meets the same isolation voltage and CMTI requirements for the specific circuit design.

Logic Output Optoisolators FAQ

What is the typical propagation delay of the TLP155E(E)?

The maximum propagation delay time (tpLH/tpHL) is specified as 170 ns.

Does the TLP155E(E) have an open-collector or push-pull output?

It features a buffer logic type with a push-pull totem pole output.

What is the common-mode transient immunity rating?

The device guarantees a common-mode transient immunity of 15 kV/µs due to the internal Faraday shield.