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MP9472

0.45A, 18V, Non-Synchronous, Rectified, Step-Down Converter

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MP9472

0.45A, 18V, Non-Synchronous, Rectified, Step-Down Converter

Datasheet

Description

The MP9472 is a monolithic, non-synchronous, buck regulator that integrates a 175mΩ high-side MOSFET to achieve 0.45A of continuous load current over a wide 4.75V to 18V input voltage range. Current mode control provides fast transient response and cycle-by-cycle current limit.

An adjustable soft-start prevents inrush current at start-up. The supply current drops to 1µA in shutdown mode.

The MP9472 requires minimal external components and is available in an 8-pin TSOT23-8 package.

Features & Benefits

0.45A Output Current
Wide 4.75V to 18V Operating Input Range
Integrated High-Side Power MOSFET
Output Adjustable from 0.923V to 15V
Programmable Soft Start
Stable with Low ESR Ceramic Output Capacitors
Fixed 340kHz Frequency
Cycle-by-Cycle Over-Current Protection (OCP)
Input Under-Voltage Lockout (UVLO)
8-Pin TSOT23-8 Package

Active Part Numbers:

MP9472GJ-P MP9472GJ-Z

Meaning of P & Z

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All MPS parts are lead-free, halogen-free and adhere to the RoHS directive. See Environmental section for details.

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