HCPL-817-36LE

Output Type:	Transistor
Supplier Device Package:	4-SMD
Package / Case:	4-SMD, Gull Wing
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 100°C
Vce Saturation (Max):	200mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.2V
Current - Output / Channel:	50mA
Voltage - Output (Max):	70V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	4µs, 3µs
Turn On / Turn Off Time (Typ):	--
Current Transfer Ratio (Max):	100% @ 5mA
Current Transfer Ratio (Min):	50% @ 5mA
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tube

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HCPL-817-36LE Application Field and Working Principle

Optoisolators, also known as optocouplers, are optoelectronic devices that provide galvanic isolation between electrically separated circuits. They are widely used in modern electronic systems. The HCPL-817-36LE is a 3.6mA output optoisolator with transistor photovoltaic output from Avago Technologies. This device offers various features, such as a high degree of noise immunity, high off-state output impedance, and low stand-by current, making it suitable for a wide range of applications.

Applications

The HCPL-817-36LE optoisolator can be used in various applications such as motor, valve, and temperature control, motor control systems, solenoids, steppers and servos, sensing systems, HVAC systems, and industrial process automation systems. This device is also used to provide a safe electrically isolating interface in applications such as medical and measuring equipment, vehicle electronics, and protection of electrical lines as well as alarm systems, digital protection systems, and security systems.

Package

The HCPL-817-36LE optocoupler is available in a UL approved six-pin standard DIP package. The package is designed to provide excellent environmental reliability and increased thermal performance. Pin 1 is connected to the LED Anode, while pins 4, 5, and 6 are connected to the transistor emitter, collector, and base, respectively.

Working Principle

The HCPL-817-36LE optocoupler consists of a photodiode and a transistor. The photodiode is used to convert light into an electric current. When the LED of the photodiode is forward-biased, it emits light when the current is applied. This light is used to generate an electric current in the photodiode, which is then used to drive the transistor. The transistor then amplifies the current to a level detected by the application. The optocoupler provides electrical isolation between the input and output signals.

Features

The HCPL-817-36LE offers a wide range of features. It has a high degree of noise immunity at input levels up to 1000V peak. The device also has a high off-state output impedance of 400 kOhm and low stand-by current of only 0.1µA. It has a wide operating voltage range of 3V to 20V and a low propagation delay of only 0.2µs. Additionally, the device has an excellent output current of 3.6mA and a maximum peak output current of 8mA. Finally, it has an ambient temperature range of -40°C to +85°C.

Conclusion

The HCPL-817-36LE optoisolator is a 3.6mA output transistor photovoltaic output device from Avago Technologies. This device is suitable for a wide variety of applications such as motor and valve control, industrial process automation systems, medical and measuring equipment, vehicle electronics, and alarm systems. It offers features such as high degree of noise immunity, high off-state output impedance, and low stand-by current as well as a wide operating voltage range, a low propagation delay, and an ambient temperature range of -40°C to +85°C.

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