Feature: '' 650V avalanche rugged CoolMOS" with built-in Startup Cell '' Active Burst Mode for lowest Standby Power '' Fast load jump response in Active Burst Mode '' 67kHz internally fixed switching frequency '' Auto Restart Protection Mode for Overload,Open Loop, VCC ndervoltage,Overtemperature & Overvoltage '' External auto-restart enable pin '' Built-in Soft Start '' Built-in blanking window with extendable blanking time for short duration high current '' Max Duty Cycle 75% '' Overall tolerance of Current Limiting < 5% '' Internal PWM Leading Edge Blanking '' BiCMOS technology provide wide VCC range '' Built-in Frequency jitter and soft driving for low EMI