VOL3120-X001T Isolators

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The VOL3120-X001T is an electrically isolated high side gate driver IC that operates from 6 to 18V and is used in various industrial applications. This isolator provides a wide operational voltage range in order to meet all common industrial requirements. It is designed to drive most low on-resistance N-channel MOSFETs and IGBTs in various configurations.

This device can be used in DC/DC converters, pulse width modulation (PWM) applications, and motor control circuits. It requires only a low gate charge to fully drive the selected load, helping to reduce power loss and cost. The output of the isolator is guaranteed to be isolation-controlled, ensuring that the gate driver output voltage will not exceed the input voltage.

The VOL3120-X001T uses an advanced charge transfer technique to ensure precise conversion of voltage and current through the transformer while providing excellent electrical isolation. The isolation voltage (Visal) is rated at 1,000VAC (1,500VAC for active modules). It also features a low on-resistance rating of 2 Ohms allowing for maximum efficiency and fast switching. Additionally, it offers a wide input differential range (3 to 15Vdc) accommodating most driving conditions.

The outputs of this device feature high-side and low-side drive capability, allowing for flexible gate drive configurations of power switching devices. The high-side output controls the main power switch while the low-side output can be used to control smaller synchronous rectifiers. Both outputs feature built-in protection from load short-circuits, over-temperature (Tj max of +175°C junction temperature) and over-current.

The VOL3120-X001T is an ideal gate driver for many applications in the industrial automation, automotive, robotics, and power electronics markets. Its high performance isolation, wide input differential range, and low on-resistance make it suitable for driving power MOSFETs and IGBTs with fast switching in a wide variety of industrial applications. Furthermore, its built-in protection features make it the perfect choice for electrically isolated high current applications with low noise and high reliability.

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