APT45GP120BG Discrete Semiconductor Products

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Introduction

APT45GP120BG is a single, integrated, insulated gate bipolar transistor (IGBT) device used in many industrial and consumer applications. Developed by Ixys Corporation, APT45GP120BG combines an extremely low on-resistance amount, fast switching, and low EMI. It is also believed to provide maximum system stability with minimal effort.

Application Fields

APT45GP120BG can be used for many applications including motor control, consumer applications, power modules, gate drivers and more. It is especially ideal for high frequency applications such as DC-DC controllers, half-bridge converters, and 3-phase inverters. Motor control applications include single phase half wave rectified motor drive systems, adjustable speed drives, and DC motor controls.

Working Principle

The APT45GP120BG IGBT works by controlling the current that passes from the collector to the emitter terminals. When the voltage applied to the gate is below the breakdown voltage of the IGBT, no current flows through the collector-emitter junction and the IGBT is off. When the gate voltage is raised above the breakdown voltage, the current flows through the collector-emitter junction and the IGBT is on. However, the collector-emitter current can be controlled by the gate voltage.

The APT45GP120BG IGBT also offers fast switching between on and off states. The switching time is a combination of the IGBT\'s fall time and the gate drive signal rise time. The shorter the fall time, the faster the switching between on and off. In the on state, the APT45GP120BG offers an extremely low on-resistance, which helps reduce power losses.

Conclusion

The APT45GP120BG IGBT has found application in many industries due to its low on-resistance, fast switching, and low EMI properties. It can be used for a variety of applications ranging from motor control to consumer applications. By controlling the gate voltage applied to the IGBT, the collector-emitter current can be controlled, providing system stability and reduced power losses.

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