Monolithic Power Systems, Inc. Voltage Regulators - DC DC Switching Regulators MPQ4432GLE-AEC1-Z

The MPQ4432GLE-AEC1-Z is a synchronous step-down DC-DC switching regulator designed for automotive and industrial applications. It operates within a wide input voltage range of 3.3V to 36V and can deliver a continuous output current of up to 2.2A. The device features low quiescent current, with only 1OºA in shutdown mode and 10OºA in sleep mode, making it suitable for battery-powered applications. This regulator supports a programmable switching frequency from 350kHz to 2.5MHz and includes internal high-side and low-side MOSFETs with on-resistances of 90m,Ѷ and 40m,Ѷ, respectively. It offers fixed output voltage options of 3.3V, 3.8V, and 5V, and allows for synchronization to an external clock with selectable phase options. Additional features include a power good indicator, programmable soft-start time, over-current protection with valley-current detection, and thermal shutdown for enhanced reliability. The MPQ4432GLE-AEC1-Z is packaged in a compact QFN-16 (3mm x 4mm) format, which is suitable for space-constrained designs. It is AEC-Q100 qualified, ensuring it meets stringent automotive standards. This product is lead-free, halogen-free, and compliant with the RoHS directive.