• Input voltage operating range 4.5 V to 40 V
• Four high-precision current sinks – Current matching 1% (typical) – LED string current up to 100 ma per channel – Outputs can be combined externally for higher current per string
• High dimming ratio of 10 000:1 at 100 Hz
• Integrated boost/SEPIC converter for led string power – Output voltage up to 45 V – Switching frequency 300 kHz to 2.2 MHz – Switching synchronization input – Spread spectrum for lower EMI
• Extensive fault detection features – Fault output – Input voltage OVP and UVLO – Open and shorted LED fault detection – Thermal shutdown
• Minimum number of external components
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