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MPS MPQ4430 Step-Down Switching Regulators are frequency-programmable synchronous regulators with a frequency range of 350kHz to 2.5MHz. These switching regulators feature an integrated internal high-side and low-side power MOSFETs. The wide 3.3V to 36V input range accommodates a variety of step-down applications in automotive input environments. The MPQ4430 regulators provide up to 3.5A of highly efficient output current with current mode control for fast loop response. These switching regulators include Advanced Asynchronous Mode (AAM), which helps achieve high efficiency in light-load condition. The other standard features include Soft Start (SS), external clock synchronization, Enable (EN) control, and a Power Good (PG) indicator. These switching regulators are ideal for automotive and industrial power system applications.

Features

3.3V to 36V operating input range

3.5A continuous output current

1μA low shutdown mode current

10μA sleep mode quiescent current

90mΩ high-side and 40mΩ low-side MOSFETs

350kHz to 2.5MHz programmable switching frequency

3.3V, 3.8V, and 5V fixed output options

Synchronize to external clock

Programmable Soft-Start (SS) time

80ns minimum on time

Low dropout mode

Over-Current Protection (OCP) with valley-current detection and hiccup

Available in a QFN-16 (3mmx4mm) package

AEC-Q100 grade 1

Applications

Automotive systems

Industrial power systems

MPQ4430GLE-AEC1-P

MPQ4430GL-Z

MPQ4430GL-AEC1-Z

MPQ4430GLE-AEC1-Z