Current - Output High, Low:	2.5A, 2.5A
Approvals:	UR
Supplier Device Package:	6-SOP
Package / Case:	6-SOIC (0.268", 6.80mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 100°C
Voltage - Supply:	10 V ~ 30 V
Current - DC Forward (If) (Max):	25mA
Voltage - Forward (Vf) (Typ):	1.5V
Current - Peak Output:	3A
Series:	--
Rise / Fall Time (Typ):	38ns, 24ns
Pulse Width Distortion (Max):	65ns
Propagation Delay tpLH / tpHL (Max):	210ns, 210ns
Common Mode Transient Immunity (Min):	20kV/µs
Voltage - Isolation:	5000Vrms
Number of Channels:	1
Technology:	Optical Coupling
Part Status:	Active
Packaging:	Tube

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Isolators - Gate Drivers

The FOD8342 is an isolated, diffused gate driver used in power electronic processes. It pairs with an input for the input source and an output to connect to the gate’s load. This product is used to drive high power switching circuits, such as FETs, IGBTs and other power devices, and is designed to maximize the efficiency of such devices.The FOD8342 device is protected against reverse connection, and it features built-in, temperature-controlled insulation. Its power switch output is short-circuit proof, and it is designed for low dissipation over a wide temperature range. In addition, it works cooperatively with the input to protect the load from short-circuit loads, and provides soft start-up to reduce temperature stress on the output circuit components.The FOD8342 is an ideal choice for applications requiring robust, isolated gate drive performance. It is suitable for medium voltage and high voltage applications, such as AC/DC motor drives, solar cell modules, and power supplies. Its isolated gate drive and output power switch output provides a robust solution for driving IGFETs, MOSFETs and IGBTs.The working principle behind the FOD8342 is based on the concept of isolation. It uses an isolation section to provide a virtually complete shielding barrier between the input and output circuits. This minimizes any potential energy interactions between the two sides of the isolation section. It also ensures that only the desired signal will pass through the isolation section.The FOD8342 relies on a transformer to provide the isolated power supply for the gate driver. Once the transformer’s secondary winding has its secondary voltage regulated, it outputs the isolated power to the gate driver. The gate driver then uses this power to drive the FET or IGBT’s load.The FOD8342’s switching device is controlled by the input source, which switches the isolated gate drive voltage on and off. When the input signal is low (a logic low voltage), the transformer output is off and the power switch is in the off condition. However, when the input signal is high (a logic high voltage), the transformer output is turned on and the power switch is in the on condition.Most importantly, the FOD8342 has been designed to minimize power dissipation over a wide temperature range, while still providing an isolated, reliable gate drive. This is achieved by protection against reverse connection, and by the execution of a soft start-up that reduces the temperature stress on the output circuit components. Finally, it provides an LED indicator that shows when the gate driver is turned on.In summary, the FOD8342 is an isolated, diffused gate driver used in power electronic processes. It pairs with an input for the input source and an output to connect to the gate’s load. It is ideal for applications requiring robust, isolated gate drive performance, and is suitable for medium voltage and high voltage applications such as AC/DC motor drives, solar cell modules, and power supplies. It is protected against reverse connection and features built-in, temperature-controlled insulation. It also features a power switch output that is short-circuit proof, and it works cooperatively with the input to protect the load from short-circuit loads. Finally, its working principle relies on the concept of isolation, and it has a transformer to provide the isolated power supply for the gate driver.

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