• Built to Handle Automotive Lighting:• Load Dump Up to 45V
• Cold Crank Down to 4.5V
• Maximum 75V Boost Output
• Multiple Dimming Modes
• Two-Step Dimming via the H/L Pin
• External PWM Dimming via the PDIM Pin
• Integrated P-Channel Dimming MOSFET Driver
• Available in AEC-Q100 Grade 1

• Supports Buck, Boost, and Buck-Boost Topologies
• Low-Noise EMI/EMC:• Frequency Spread Spectrum (FSS)
• Configurable or Synchronizable Switching Frequency (fSW)

• Robust Protections:• Cycle-by-Cycle Current Limit
• Output Over-Voltage Protection (OVP)
• Open LED Protection
• LED String Anode/Cathode to Battery/Ground Short Protection
• One or More LEDs Short Protection
• Over-Temperature (OT) Shutdown
• Fault Flag Output

• Additional Features:• <5μA Shutdown Current (ISD)
• <1mA Quiescent Current (IQ)
• Configurable Current-Sense Reference via an External Setting Resistor
• External Loop Compensation

• Available in a TSSOP-28EP Package