JAN1N4490US

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JAN1N4490US is an ultra-fast low power bidirectional Silicon bilateral switch array developed by ON Semiconductor manufacturer. It works by providing a low resistance on channel when the Gate Pins is at high potential and switching off the channel when the Gate Pin is at low potential. Such devices are useful for protective circuits, isolating circuits, connecting circuits, and noise suppression circuits.

Application Field:

• JAN1N4490US switch arrays can be used in automotive, industrial and commercial applications.
• In automotive applications, these devices are often used as low-side switches for driving the headlights, warning lamps, ignition coils, current sensors, and other peripheral circuits.
• In industrial applications, they can be used as high-voltage protection circuits to ensure safe and reliable operation of a device.
• In commercial applications, they can be used as isolation switches in communication circuits, audio- video devices, or other consumer electronics.

Working Principle:

JAN1N4490US switch arrays work by providing a low resistance on the channel when the Gate Pin is at high potential and switching off the channel when the Gate Pin is at low potential. The device utilizes a P-Channel junction FET (JFET) and a N-Channel junction FET (JFET) to provide a low-resistance path between the source and drain pins when the gate pin is at a high potential, which enables the passage of current. When the gate pin is at a low potential, the low resistance path is disabled, and the source and drain pins become essentially disconnected.

The array also incorporates protective features for over-current, over-temperature, and ESD (electrostatic discharge) protection. These protective features help ensure safe operation in a wide range of applications where various levels of conditions may exist.

JAN1N4490US switch arrays are available in various package configurations and offer various features such as low insertion loss, low on-capacitance, and low leakage current. The device can also be used as a DC-DC current regulator and a buffer amplifier.

JAN1N4490US switch arrays are versatile devices that can be used in numerous applications. They are designed to provide reliable, low-power switching performance in a wide range of automotive, industrial, and commercial applications.

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