VOS617A-3X001T Isolators

Output Type:	Transistor
Supplier Device Package:	4-SSOP
Package / Case:	4-SOIC (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 110°C
Vce Saturation (Max):	400mV
Current - DC Forward (If) (Max):	50mA
Voltage - Forward (Vf) (Typ):	1.18V
Current - Output / Channel:	50mA
Voltage - Output (Max):	80V
Series:	--
Input Type:	DC
Rise / Fall Time (Typ):	3µs, 3µs
Turn On / Turn Off Time (Typ):	6µs, 4µs
Current Transfer Ratio (Max):	200% @ 5mA
Current Transfer Ratio (Min):	100% @ 5mA
Voltage - Isolation:	3750Vrms
Number of Channels:	1
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Optoisolators - Transistor, Photovoltaic OutputOptoisolators are electronic devices used to ensure electrical isolation between two systems or circuits. They’re commonly used in applications where optical signals, electro-magnetic interference (EMI), or electrical noise must not pass from one circuit to the other.One type of optoisolator is known as a transistor-photovoltaic output (T-PV) optoisolator, which is an integrated circuit device in which the output transistor is connected to a photovoltaic cell. This type of optoisolator, including the VOS617A-3X001T, are commonly used in signal conditioning applications and have advantages over other optoisolator types such as photo-sensitive relays (PSRs). The VOS617A-3X001T is used to condition input signals and transfer them without significantly distorting them or being affected by electrical noise.Using a transistor-photovoltaic output optoisolator such as the VOS617A-3X001T helps prevent the two systems or circuits from communicating with one another. This isolation acts to protect the source circuit and reduce the amount of electrical noise that can be injected into the load circuit.The VOS617A-3X001T optoisolator contains a light sensor inside the package that is exposed to direct input current. This current generates a proportional optical output. The output for the VOS617A-3X001T can then be used to control the output transistor which passes that signal to the load circuit. This allows the signal to be transferred without direct electrical connection to the source circuit.Unlike other optoisolators, the VOS617A-3X001T does not require an external power supply. Instead, it is powered by the input voltage which is applied across four pins that are connected to the photovoltaic cell inside the package. This helps to reduce power consumption and provides an isolated signal.The VOS617A-3X001T also includes two photodiodes for EMI and electrical noise immunity. They are used to prevent false signals from being transmitted if the input voltage fluctuates. The two photodiodes also provide reliable operation in case of failures, as they reduce the chances of errors on the output.The VOS617A-3X001T optoisolator is a robust, versatile device. It’s used in a variety of applications such as industrial control systems, computer peripherals, automation systems, and medical device applications. The device is also often used for signal conditioning in applications requiring output isolation such as analog-to-digital converters.The VOS617A-3X001T optoisolator is an ideal choice for applications requiring reliable transfer and isolation of signals. Its features such as self-powering, noise and EMI immunity, and low power consumption make it a great choice for applications requiring stable, isolated signals.

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