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A80603

Part Number	A80603
Manufacturer	Allegro
Description	LED Driver
Published	Dec 6, 2023
Detailed Description	A80603 and A80603-1 LED Driver with Pre-Emptive Boost for Ultra-High Dimming Ratio and Low Output Ripple FEATURES AND ...
Datasheet	A80603 PDF File

Overview

A80603 and A80603-1 LED Driver with Pre-Emptive Boost for Ultra-High Dimming Ratio and Low Output Ripple FEATURES AND BENEFITS • Automotive AEC-Q100 qualified • Enhanced fault handling for ASIL B system compliance • Wide input voltage range of 4.
5 to 40 V for start/stop, cold crank, and load dump requirements • Fully integrated LED current sinks and boost converter with internal power MOSFET • Operate in Boost or SEPIC mode for flexible output • Drives up to 11 series white LED in 4 parallel strings, at up to 120 mA per string (VF = 3.
3 V max).
• Boost switching frequency synced externally or programmed from 260 kHz to 2.
3 MHz • Clock-Out feature for internal switching frequency • Adjustab...

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