n DESCRIPTION
The AIC3842 control IC provides the features that are necessary to implement off-line or DC/DC Converter fixed-frequency current-mode schemes with a minimum number of external components.

FEATURES
Low Start-Up Current (300 mA Typical)
Internal Precision Reference.
500KHz Current-Mode Operation.
Pulse-by-Pulse Current Limiting.
Automatic Feed-Forward Compensation.
Optimized for Off-Line and DC/DC Converters.
Undervoltage Lockout with  Hysteresis.
Double Pulse Suppression.
High Current Totem-Pole Output.