IC-Hersteller Allegro Microsystems

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Allegro Microsystems A4450

Buck-Boost Controller with Integrated Buck MOSFET

Details

TopologieAbwärts- und Aufwärtswandler
Eingangsspannung3-36 V
Ausgang 15 V / 1 A
IC-Revision---

Beschreibung

The A4450 is a power management IC that can implementeither a buck or buck-boost regulator to efficiently convertautomotive battery voltages into a tightly regulated voltage. Itincludes control, diagnostics, and protection functions

Eigenschaften

Automotive AEC-Q100 qualifiedWide operating range of 3 to 36 VIN, 40 VIN maximum, covers automotive stop/start, cold crank, double battery, and load dumpRegulated output can range from 3 to 8 V at up to 1 A DCAdjustable PWM switching frequency: 250 kHz to 2.2 MHzPWM frequency can be synchronized to external clock: 250 kHz to 2.4 MHzFrequency dithering helps reduce EMI/EMCUndervoltage protectionPin-to-pin and pin-to-ground tolerant at every pinThermal shutdown protectionOperating junction temperature range −40°C to 150°C

Typische Anwendungen

  • Instrument Clusters
  • Infotainment
  • Control Modules

Weiterführende Informationen

Artikeldaten