PS8101-V-K-A

Output Type:	Transistor
Supplier Device Package:	5-SOP
Package / Case:	6-SOIC (0.173", 4.40mm Width), 5 Leads
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 100°C
Vce Saturation (Max):	--
Current - DC Forward (If) (Max):	25mA
Voltage - Forward (Vf) (Typ):	1.7V
Current - Output / Channel:	8mA
Voltage - Output (Max):	35V
Series:	NEPOC
Input Type:	DC
Rise / Fall Time (Typ):	--
Turn On / Turn Off Time (Typ):	500ns, 600ns
Current Transfer Ratio (Max):	35% @ 16mA
Current Transfer Ratio (Min):	20% @ 16mA
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Bulk

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Optoisolators - Transistor, Photovoltaic Output: PS8101-V-K-A is a 6-pin industrial-grade optoisolator characteristic of low consumption and simple operation. Developed in the late 1990s, it is typically used in embedded systems for coupling analog or digital circuits without allowing any direct current to flow between them. The optoisolator operates by shining an infrared LED light on a photo transistor, thus isolating the input and output sections from each other. This article provides an overview of the application field and working principle of the PS8101-V-K-A.

Application field

The PS8101-V-K-A can be used in a wide variety of applications requiring good isolation between the input and output sections. It is typically used in non-safety certifiable circuits such as in industrial automation, factory automation, power electronics, and lighting control applications. It can also be used in safety-related applications with proper design consideration. The optoisolator is suitable for controlling low-side loads mostly at room temperature. It is also applicable in situations that require improved noise protection and low-voltage operation.

Working Principle

The PS8101-V-K-A utilizes an infrared LED light source (IRED) to couple the input and output stages together. This LED is an electrically isolated component whose positive and negative tips are connected to the collector and emitter of a phototransistor, respectively. When a supply voltage is applied to the LED, it emits a beam of infrared light that is directed onto the collector terminal of the phototransistor. The generated current in the phototransistor then provides the voltage necessary to turn on a totem pole output stage. This is the working principle of the PS8101-V-K-A optoisolator.

In conclusion, the PS8101-V-K-A optoisolator is a good solution when it comes to isolating different analog or digital circuits from each other. Its working principle is straightforward: an infrared LED shines onto the collector of a phototransistor, generating an output voltage. This output voltage is then used to drive a totem pole output stage, thus isolating the input and output sections from each other. The PS8101-V-K-A optoisolator can be used in many different application fields, such as industrial automation, power electronics, and lighting control, making it a versatile and useful tool for engineers and technicians.

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