MC33375D-5.0R2G

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MC33375D-5.0R2G is a linear voltage regulator designed to provide ultra-low noise power solutions in applications that require a low quiescent current. It is capable of regulating up to 5.0A of output current with a minimum of external components, while providing excellent line and load regulation. This regulator can be used in applications such as automotive, medical, and industrial motor control systems, as well as in applications that require ultra-low noise power solutions.

The MC33375D-5.0R2G is constructed of a 9-pin DIP package and features a high performance, modulation-type linear regulator with 1.5A peak current limiting and short-circuit current limiting. The wide 7V to 36V input voltage range allows for operation with a variety of input sources, including AC/DC adapters, USB power supplies, and power bus supplies. Additionally, the MC33375D-5.0R2G features excellent line and load regulation, low quiescent current and low ripple and noise.

The MC33375D-5.0R2G regulator is designed to work in a discontinuous mode, where the output duty cycle is regulated to maintain a stable output voltage. As part of its digital compensation scheme, the MC33375D-5.0R2G uses digital modulation techniques to achieve excellent line and load regulation. During operation, the regulator continuously adjusts its output duty cycle based on feedback and load characteristics. This ensures that the output voltage remains stable, even at light loads and line transients.

The MC33375D-5.0R2G features a low quiescent current of 10µA, making it suitable for use in battery-powered applications. In addition, the regulator includes an enable pin that can be used to shut down the regulator, further reducing quiescent current to 200nA at shutdown.

The MC33375D-5.0R2G also features overload protection and thermal overload protection. The overload protection monitors the output current and shuts the regulator down if it exceeds its maximum output current. The thermal overload protection feature shuts the regulator down automatically if the die temperature exceeds 125°C, providing additional protection against current surge and/or excessive junction temperature.

The MC33375D-5.0R2G also includes pre-bias startup and a soft-start function. The pre-bias startup ensures that the regulator starts up reliably under conditions where the output voltage is below the output voltage setting. The soft-start feature helps to reduce the inrush current to the power supply when turning the regulator on, providing additional protection for the system.

In conclusion, the MC33375D-5.0R2G is a versatile and robust voltage regulator, capable of providing ultra-low noise power solutions in a variety of applications. With its excellent line and load regulation, low quiescent current, overload protection, and thermal protection, the MC33375D-5.0R2G is an ideal choice for applications that require an ultra-low noise power solution.

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