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MP9472

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

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MP9472

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

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Technical Forum

Questions answered by MPS engineers in 24h

High (and Variable) Voltage Source to 3.3V and 12-18V?

I’m looking at the MP9488, which looks close to what I want to do. Basically, I have a solar array on one side that could be anywhere from 80VDC to 12...

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Are the MP2348GTL specs guaranteed for input of 24V to output 12V?

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HI MPS expert, 1.MP8796B datasheet describes the register has default value as below： MFR_CTRL_VOUT [1:0]=00 =>Vref/Vout=1 VOUT_SCALE_LOOP=0X2...

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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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