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A8651

Allegro
Part Number A8651
Manufacturer Allegro
Description Adjustable Frequency Dual Synchronous 2A / 2A Buck Regulator
Published Apr 22, 2014
Detailed Description A8651 Low Input Voltage, Adjustable Frequency Dual Synchronous 2 A / 2 A Buck Regulator with Synchronization, 2× EN, and...
Datasheet PDF File A8651 PDF File

A8651
A8651


Overview
... 2× NPOR FEATURES AND BENEFITS • AEC-Q100 qualified • Operating voltage range: 2.
5 to 5.
5 V • UVLO stop threshold: 2.
25 V (max) • Dual outputs with up to 2 A output current per regulator • Adjustable output voltage as low as 0.
8 V • Internal 80 mΩ high-side switching MOSFET • Internal 55 mΩ low-side switching MOSFET • Adjustable oscillator frequency ( fOSC ): 0.
35 to 2.
2 MHz • Synchronizes to external clock: 1.
2 × to 1.
5 × fOSC • 180° phase shift between switching regulators • Sleep mode supply current less than 5 μA • Soft-start time externally set via the SS pin • Pre-biased startup capable • Externally adjustable compensation • Stable with ceramic output capacitors • Independent enable i...



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