MC33167D2TR4

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The MC33167D2TR4 voltage regulator is a DC-DC switching regulator specifically designed for automotive and industrial applications. This fully integrated, high-performance, high-current regulator supplies up to 10 A load current and is available in both a step-down and a buck version. The maximum input voltage is 42 V, and a wide input range of 3.6 V to 36 V is available. The switching frequency can be selected between 180 kHz and 440 kHz, allowing designers to customize the regulator to their application.

The MC33167D2TR4 regulator is based on pulse width modulated (PWM) control technology. During normal operation, the voltage regulator continuously monitors the input voltage and adjusts the pulse width of the output voltage to maintain the desired output voltage. If the input voltage drops below a user-defined pre-set limit, the regulator will enter fold-back mode, which will reduce the output voltage until the input voltage returns to the threshold. This prevents over-voltage stress on the system and protects the connected load.

The MC33167D2TR4 regulator is designed to have low noise and low ripple, which makes it ideal for noise-sensitive applications such as radio frequency geolocation systems, medical devices, and automotive applications. The power efficiency of the device is up to 94% which helps to reduce heat dissipation and improve system reliability. The device also features over-current and thermal protection, which prevents the device from being damaged by high current loads or over-temperature situations.

The MC33167D2TR4 regulator can be used in a wide range of applications, including automotive infotainment systems, medical implantable devices, industrial motors, pumps, and other energy intensive applications. Designers can also use the device in PoE applications, as the regulator is compatible with IEEE802.3af and IEEE802.3at standards. It can also be used in battery chargers to efficiently charge and maintain lithium-ion cells.

The MC33167D2TR4 regulator is an ideal choice for applications where high current, low noise, and high efficiency are important criteria. The device is easy to use and is available in an easy to mount TO-220 package, making it an efficient and cost-effective solution for modern power management applications.

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