AOK50B65M2 Discrete Semiconductor Products

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IGBT (Insulated Gate Bipolar Transistor) technology offers the best of both bipolar and MOSFET technologies, and the AOK50B65M2 is no exception. IGBTs combine the high current and voltage capability of bipolar transistors, with the low on-state resistance and gate control of MOSFETs, providing an ideal solution to many power switching and power supply applications. The AOK50B65M2 is a Single IGBT suited to a variety of switch mode power supply designs.

Operation and Characteristics

The AOK50B65M2 is a 700V Ultrafast IGBT designed to control the current flow in inverters and rectifiers. Its highest frequency capabilities make it suitable for applications such as motor control, solar power inverters and power factor correction (PFC) circuits. The 1200V repetitive peak off-state voltage is sufficient to allow operation at around 400A of continuous current.

The AOK50B65M2 utilizes the latest OptiMOS technology from Infineon and incorporates a low conduction loss and low switching loss. This is made possible by the fact that the IGBT has no body diode. The body diode is necessary in conventional designs, to dissipate excess current when the IGTT turns off.

The AOK50B65M2 does not require a driver for its operation and can be triggered with a logic level of +5V. The IGBT has a built-in soft-start functionality, with a maximum soft-start current of 3A. This ensures that the device is not subjected to large inrush currents at the start of a cycle, thus reducing switching losses.

The AOK50B65M2 is rated for operation up to 150°C junction temperature, and is equipped with a FET gate-edge protection buffer that reduces the stress effects of temperature changes on the device. The maximum Rds(on) is just 6.5mΩ, which further minimizes switching losses.

Applications

The AOK50B65M2 is suitable for a variety of switch mode power supply designs, as it offers high voltage, low conduction and switching losses, high current rating and high switching speeds. It is used in a variety of applications, such as solar inverters, high power uninterruptible power supplies, motor control applications, servo drives, welding machines, AC-DC and DC-DC converters, telecom switching and power factor correction circuits.

The AOK50B65M2 is also suitable for use in Class-D audio amplifiers, as its low on-state resistance and high voltage rating make it particularly suitable for use in high-current, high powered audio applications.

Conclusion

The AOK50B65M2 is a versatile, high-performance Single IGBT. Utilizing the latest OptiMOS technology from Infineon, it provides high current, low losses and switching speeds up to 15kHz. It is suitable for a variety of switch mode power supply designs and is used in applications such as solar inverters, UPS and motor control circuits, as well as Class-D audio amplifiers.

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