Wide Input Voltage, 3A, 2 MHz Synchronous Buck Regulator

• Operating voltage range: 4.0 V to 36 V
• UVLO STOP threshold is at 2.6 _VTYP
• Maximized duty cycle for low dropout operation
• Withstands surge voltages up to 40 V
• Capable of 3.0 A steady-state output current
• Integrated high-side and low-side switching MOSFETs
• Adjustable switching frequency (f_SW): 100 kHz to 2.2 MHz
• Synchronization capability to external clock: 100 kHz to 2.2 MHz
• Frequency dithering for lower EMI signature
• External adjustable compensation network
• Soft start time externally set via the SS pin
• Pre-bias startup compatible
• Active low, Power on Reset NPOR output
• Over voltage protection, cycle-by-cycle current limit, hiccup mode short circuit, and thermal protections
• Open-circuit and adjacent pin short-circuit tolerant
• Short-to-ground tolerant at every pin
• Stable with ceramic output capacitors

Typical Applications

• Automotive Infotainment Systems
  • Audio, Video Navigation Systems
  • Rear Seat Media Display
  • Instrument Clusters
  • Telematics
• Advanced Driver Assistance Systems
  • RADAR, lidar, mmWave Systems
  • Vision and Detection Systems
• Industrial
  • General 24 V / 36 V Applications