Current Mode Control: Provides precise regulation and stable operation in current-mode control schemes.Fixed Frequency: Operates at a fixed frequency, typically up to 500 kHzLow Start-Up Current: Features a start-up current less than 1mA, improving energy efficiency.Undervoltage Lockout (UVLO) with Hysteresis: Includes UVLO protection to ensure safe and reliable startup, with specific thresholds (8.5V on, 7.9V off).100% Duty Cycle Capability: The UC3843 can operate with a maximum duty cycle of approximately 100%.High Current Totem Pole Output: Capable of sourcing or sinking high peak currents, suitable for driving a power MOSFET.Automatic Feedforward Compensation: Helps maintain stability and performance across varying input voltage conditions.Pulse-by-Pulse Current Limiting: Provides enhanced load response characteristics and protection against overcurrent conditions.Internally Trimmed Reference: Includes a precision reference trimmed for accuracy at the error amplifier input.
