TLP293(TPL,E

Output Type:	Transistor
Supplier Device Package:	4-SO
Package / Case:	4-SOIC (0.179", 4.55mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Vce Saturation (Max):	300mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.25V
Current - Output / Channel:	50mA
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	2µs, 3µs
Turn On / Turn Off Time (Typ):	3µs, 3µs
Current Transfer Ratio (Max):	600% @ 5mA
Current Transfer Ratio (Min):	50% @ 5mA
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to TLP293

The TLP293 transistor-photovoltaic output optoisolator (optocoupler) is intended for applications requiring high electrical isolation between the input and output. It is a solid state isolation device that utilizes light emitting diode or a low power LED to provide electrical isolation between two electrical circuits. It consists of an LED optically coupled with a detector on a single silicon chip.

Application Field of TLP293

The TLP293 optocoupler is used for a wide variety of switching applications. This optocoupler provides isolation for both digital and analog signals from low speed logic (up to 3 Mbps) to medium speed logic (up to 10 Mbps). It also finds use in power supplies, instrumentation, test equipment, modems, data converters, encoders, computer peripherals and other applications.

Working Principle of the TPL293

The TLP293 optocoupler operates when the LED is energized, the LED emits light which is detected by the photo detector on the same chip. The detector provides a high gain output transistor. This transistor is used to supply isolated control voltages for various types of circuits. When the LED is turned off, the output transistor is cut off and the current does not flow into the output.The TPL293 optocoupler allows isolation between the input and output. It is low cost, low power, and highly reliable. It also provides good common mode noise immunity between the input and output circuits. The common mode transient immunity of the TPL293 optocoupler is also very good. This optocoupler has a wide operating temperature range and provides a significant optical safety rating.

Conclusion

In conclusion, the TLP293 optocoupler is an efficient and reliable optoisolator for digital and analog signal transmission. It is suitable for low speed to mid speed logic systems in a variety of applications. Its low price and performance make it a popular choice. It features a low power consumption, high voltage and current isolation rating, as well as provides a wide temperature range of operation.

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