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EETE SEP 2015

Simple, Easy Solutions Low Iq? Longer Life! “MPQ4430” – Perfect Solution for Automotive E-Call Systems! VIN SYNC PHASE MPQ4430 EN VIN 3.5V to 36V FREQ BST SW GND FB VCC BIAS PG 5V SS VOUT 5V OFF ON 36V, 3.5A, Low Iq, Synchronous Step-Down Converter Key Features • Very High Efficiency at Low Current – 3.5A Peak Current to Support Strong TX Burst • 350kHz to 2.5MHz Programmable Switching Frequency • 10μA No Load Operating Input Current • Low Dropout Mode to Support Start-Pulse • Low EMI • AECQ-100 Grade-1 Applications • Automotive Systems • Industrial Power Systems 100 98 96 94 92 90 88 86 84 82 80 Efficiency vs. Load Current 0.01 0.1 1 10 Efficiency (%) Load Current (A) Follow us on: www.monolithicpower.com © 2015 Monolithic Power Systems, Inc. Patents Protected. All rights reserved. VIN = 12V VIN = 24V VIN = 36V Please email “mpq4430info@monolithicpower.com” for more information.


EETE SEP 2015
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