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A4409. For precise diagrams, and layout, please refer to the original PDF.
A4409 Adjustable Frequency Buck or Buck-Boost Pre-Regulator with 2 LDOs, Window Watchdog Timer, and NPOR FEATURES AND BENEFITS • Automotive AEC-Q100 qualified • VIN opera...
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NPOR FEATURES AND BENEFITS • Automotive AEC-Q100 qualified • VIN operating range from 3 to 36 V, with 40 V maximum • Buck or buck-boost pre-regulator (VREG) • Adjustable PWM switching frequency: 250 kHz to 2.4 MHz • PWM frequency can be synchronized to external clock • Two 5 V internal LDO regulators with foldback short- circuit protection • Power-on reset (NPOR) with fixed delay of 22.
A4409 Datasheet
