Monolithic Power Systems, Inc. Voltage Regulators - DC DC Switching Regulators MPQ4569GN-Z

The MPQ4569GN-Z is a synchronous step-down switching regulator designed for high efficiency in a variety of applications, particularly in automotive environments. It operates within a wide input voltage range of 4.5V to 75V and can deliver an output current of up to 0.3A. The device features integrated high-side and low-side power MOSFETs, which contribute to its efficiency, especially under light-load conditions where it can scale down the switching frequency to minimize losses. This regulator includes a low shutdown mode current of 5OºA, making it suitable for battery-powered applications. It also offers programmable soft-start functionality and adjustable output voltage, with a reference voltage output of 1V for the QFN package. The MPQ4569GN-Z is available in a SOIC-8 EP package and is AEC-Q100 qualified, ensuring reliability in automotive applications. Thermal shutdown protection is included to prevent damage from overheating, making it a robust choice for various power management needs.