Datasheet Summary
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 pliance
- 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
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