FDA215STR

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Isolators - Gate Drivers

The FDA215STR is a commercial DC-to-AC isolated gate drive opto-coupler designed to drive IGBTs or MOSFETs in a variety of applications. This opto-coupler is designed to provide low jitter, high accuracy, and an integrated electro-magnetic interference (EMI) filter.

A typical application field for this isolator includes AC and DC motor drives, UPS systems, and inductive and resistive loads. It is often used in applications where precise synchronization of zero-volt crossing is required, and in areas with high EMI levels. The high speed and low jitter of the FDA215STR allow for fast switching with minimal power losses.

The FDA215STR works by isolating the gate drive signal from the power supply or bus voltage. By isolating the gate drive, it is possible to drive gate voltages up to 440V while still operating safely and reliably. The opto-coupler ensures that any inductive and capacitive transients associated with the gate drive are not transferred to the power supply or bus, thereby reducing EMI and ensuring ESD protection. It also helps to reduce ground-loops while providing low jitter and fast switching speeds.

The FDA215STR features a built-in high quality EMI filter which provides EMI suppression noise immunity up to 400MHz. This allows for fast switching and low jitter, even in high EMI environments. It also provides protection against voltage schock, helping to ensure that the opto-coupler remains operational. The integrated filter also provides protection against RFI, EFT, and surge, helping to ensure long life and reliability.

In addition to the integrated EMI filter, the FDA215STR also offers a wide temperature range (–40°C to 115°C), adjustable output voltage (up to ±5V), 6ns setup time, and ultrafast response time (3ns typically). These features make the FDA215STR an excellent choice for applications that require precise switching, high reliability and high speed operation. With the integrated EMI filter and high speed switching capabilities, the FDA215STR is an ideal choice for applications requiring high isolation and precision.

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