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Step-Down Converters
MPQ4467-AEC1

MPQ4467-AEC1

36V, 2.5A, Low Quiescent Current, Asynchronous, Step-Down Converter, AEC-Q100 Qualified

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Description

The MPQ4467 is a frequency-programmable (350kHz to 2.5MHz), asynchronous, step-down switching regulator with an integrated internal high-side power MOSFET. It provides up to 2.5A of highly efficient output current with current mode control for fast loop response.

The wide 3.3V to 36V input range accommodates a variety of step-down applications in automotive input environments, and is ideal for battery-powered applications due to its extremely low quiescent current.

The MPQ4467 employs AAM (advanced asynchronous modulation) mode, which helps achieve high efficiency in light-load conditions by scaling down the switching frequency to reduce the switching and gate driver losses.

Standard features include soft start (SS), external clock sync, enable (EN) control, and a power good (PG) indicator. High duty cycle and low dropout mode are provided for automotive cold crank conditions.

Over-current protection (OCP) is employed to prevent inductor current runaway. Hiccup mode greatly reduces the average current in a short-circuit condition. Thermal shutdown provides reliable, fault-tolerant operation.

The MPQ4467 is available in a QFN-16 (3mmx4mm) package.

Features & Benefits

Wide 3.3V to 36V Operating Input Range
2.5A Continuous Output Current
1μA Low Shutdown Mode Current
10μA Sleep Mode Quiescent Current
Internal 90mΩ High-Side MOSFET
350kHz to 2.5MHz Programmable Switching Frequency
Synchronize to External Clock
Selectable In-Phase or 180° Out-of-Phase
Power Good Indicator
Programmable Soft-Start Time
80ns Minimum On Time
Low Dropout Mode
Over-Current Protection and Hiccup Mode
Available in a QFN-16 (3mmx4mm) Package
AEC-Q100 Grade 1

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