ACPL-W343-000E

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ACPL-W343-000E belongs to Isolators - Gate Drivers category. It is an isolated gate driver, best suited for driving high-side and low-side N-channel MOSFETs and IGBTs in both HV and PV applications. This gate driver features a supply voltage of up to 17V, a peak output current of 2A, and a maximum propagation delay of 5ns, making it a great choice for applications requiring high speed switching.

The ACPL-W343-000E is comprised of a primary side gate driver, a transformer driver core, and an isolated output gate driver. The primary side gate driver is composed of a P-channel MOSFET and high voltage N-channel MOSFET, while the transformer driver core has a high voltage isolated winding transformer and a fly-wheel diode. The isolated output gate driver is composed of a P-channel MOSFET and high voltage N-channel MOSFET.

The ACPL-W343-000E is primarily used to drive large and/or high-power switches such as IGBTs or MOSFETs in motor-drive and power-supply applications. It is also used for applications requiring high-speed switching speeds. To enable proper operation, the gate driver should be powered by a regulated DC supply.

The basic working principle of the ACPL-W343-000E is as follows. Voltage signals on the control side are converted to pulses on the primary side. These pulses are then transformed through the isolated winding transformer, transforming them into isolated voltage signals on the output side. These signals are then amplified by the output gate driver and drive the external switches, such as the IGBTs or MOSFETs.

The ACPL-W343-000E supports both single-end and differential driving. In single-end mode, the output driver amplifies only the input signal, while in differential mode, the output driver amplifies both the positive and negative signals, thus providing a more accurate and powerful drive capability.

The ACPL-W343-000E is a great choice for applications requiring high-speed switching, and offers excellent reliability and performance due to its minimal propagation delay, high input-to-output isolation, and excellent EMI/RFI suppression. Moreover, it is integrated with various protection features, such as under-voltage lockout (UVLO), high voltage latch-off (Hibo), and over-voltage clamp (OVC). This makes it an ideal solution for applications requiring isolation, power integrity, and safety.

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