MOC223VM

Output Type:	Darlington with Base
Supplier Device Package:	8-SO Tall
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 100°C
Vce Saturation (Max):	1V
Current - DC Forward (If) (Max):	60mA
Voltage - Forward (Vf) (Typ):	1.08V
Current - Output / Channel:	150mA
Voltage - Output (Max):	30V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	8µs, 110µs
Turn On / Turn Off Time (Typ):	10µs, 125µs
Current Transfer Ratio (Max):	--
Current Transfer Ratio (Min):	500% @ 1mA
Voltage - Isolation:	2500Vrms
Number of Channels:	1
Part Status:	Obsolete
Packaging:	Tube

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MOC223VM application field and working principleOptoisolators - Transistor, Photovoltaic Output are essential components in high performance and high reliability electronic equipment due to their ability to transfer electrical signals across an isolation barrier. The MOC223VM is a digital output optoisolator with a phototransistor output and an integrated protection circuit. This device is suitable for a wide range of digital isolation applications such as computer-controlled access control, power supplies, automotive remote keyless entry systems, instrumentation and process control. This article will provide an overview of the application field of the MOC223VM and its working principle.The MOC223VM digital optical isolator is suitable for the application field of electromagnetic interference (EMI) filtering and digital signal isolation, power line monitoring and protection, power supply controller and switch protection, signal isolator for communication link between low and high voltage circuits, and motor control applications. It can provide an isolation conduction path between two circuits without compromising the isolation barrier, while providing superior signal fast transmission, low power consumption and high insulation resistance.The working principle of the MOC223VM is based on the photovoltaic effect. A light emitting diode (LED) emits a light when voltage is applied. When the light falls on a phototransistor, the phototransistor is enabled, conducting current according to its input resistance. The circuit output is enabled, providing an isolation conduction path between the two circuits. The MOC223VM is designed to work with an input voltage of 4.5V to 30V and an isolation voltage between 1.5kV and 2.5kV.The MOC223VM features an integrated protective circuit in order to protect the device from excessive input voltage, overcurrent and short circuits. It has a built-in rate limitation circuit that restricts the increase in collector current to avoid an instantaneous surge in the collector current, and a high reverse voltage blocking circuit prevents reverse voltage from exceeding the absolute maximum ratings. It also includes an automatic shutoff circuit which stops the LED when it is not active, providing excellent energy efficiency.The MOC223VM provides superior noise immunity, excellent common mode transient immunity and excellent surge immunity up to 2.5kV. It also offers low operating power consumption of 2mA maximum and high EMC performance. Additionally, the device is constructed with bonding wires for superior electrical noise resistance, ensuring a reliable signal path in electrically noisy environments.In conclusion, the MOC223VM is a digital output optoisolator featuring a phototransistor output and an integrated protection circuit. It is designed for a wide range of digital isolation applications, providing superior signal fast transmission, low power consumption and high insulation resistance. The device is protected from excessive input voltage, overcurrent and short circuits, and it offers excellent noise immunity and surge immunity. The MOC223VM is the perfect choice for applications where reliable signal transmission across an isolation barrier is required.

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