TLP2310(TPL,E

Logic Output Optoisolators Overview

The TLP2310(TPL,E is a high-speed logic output optocoupler manufactured by Toshiba Semiconductor and Storage. It integrates a GaAs infrared LED with a photo-IC to provide electrical isolation. The device features a push-pull, totem pole output configuration capable of driving loads directly. Key electrical parameters include a data rate of 5 Mbps, an insulation voltage of 3750 Vrms, and a common-mode transient immunity of 25 kV/µs. It operates within a supply voltage range of 2.7 V to 5.5 V, with a maximum forward current of 8 mA and an output current of 10 mA. The package is a compact SOIC-6.

Logic Output Optoisolators Feature Summary

• High-speed signal transmission with a 5 Mbps data rate capability for efficient digital communication.
• Robust noise immunity provided by a common-mode transient immunity of 25 kV/µs.
• Direct logic interface enabled by the integrated push-pull output stage eliminating external pull-up resistors.
• Wide operating temperature range supporting industrial and commercial environments.

Logic Output Optoisolators Applications

• Industrial automation control systems requiring isolated digital signal transmission.
• Communication interfaces such as RS-485 and RS-422 where galvanic isolation is necessary.
• Power supply feedback loops for monitoring and regulation in switching power converters.
• Microcontroller input/output isolation to protect sensitive logic circuits from high-voltage transients.

Logic Output Optoisolators Procurement Notes

Verify the complete part number including the suffix (TPL,E) to ensure correct packaging and RoHS compliance status. Confirm that the required insulation voltage and data rate meet the specific circuit isolation requirements. Check for availability of the SOIC-6 surface mount package variant suitable for automated assembly processes. Ensure compatibility with the system's logic voltage levels within the specified 2.7 V to 5.5 V range.

Logic Output Optoisolators Selection Notes

Select this component when high-speed digital isolation is required alongside strong noise rejection capabilities. The integrated push-pull output simplifies design by removing the need for external components typically associated with transistor outputs. Consider the 3750 Vrms isolation rating for safety compliance in mains-connected applications. Evaluate the 5 Mbps speed against system timing constraints to ensure adequate signal integrity without excessive propagation delay.

Logic Output Optoisolators Part Context

This device belongs to Toshiba's TLP23xx series of high-speed optocouplers designed for modern digital isolation needs. It represents an evolution from standard transistor-output optocouplers by offering faster switching speeds and direct logic compatibility. The series is engineered to address EMI issues in dense electronic designs while maintaining reliable signal transfer across isolation barriers.

Logic Output Optoisolators Replacement Considerations

Cross-reference with other high-speed logic output optocouplers featuring similar 5 Mbps rates and 3750 Vrms isolation. Verify pinout compatibility if substituting in existing PCB layouts. Ensure equivalent common-mode transient immunity and propagation delay characteristics are maintained for signal integrity.

Logic Output Optoisolators FAQ

What is the typical propagation delay of the TLP2310(TPL,E?

The datasheet specifies maximum propagation delays, but typical values are generally lower. Specific tpLH and tpHL values should be confirmed from the official Toshiba datasheet for precise timing analysis.

Does the TLP2310(TPL,E require external pull-up resistors?

No, the device features an integrated push-pull (totem pole) output stage, which eliminates the need for external pull-up or pull-down resistors commonly required with open-collector outputs.

What is the maximum forward current allowed for the input LED?

The maximum DC forward current (If) is specified as 8 mA in the product specifications.