The CS2841B provides all the necessary features to implement off−line fixed frequency current−mode control with a minimum number of external components.

Features

• Optimized for Off−Line Control

• Internally Trimmed Temperature Compensated Oscillator

• Maximum Duty−Cycle Clamp

• VREF Stabilized Before Output Stage Enabled

• Low Start−Up Current

• Pulse−By−Pulse Current Limiting

• Improved Undervoltage Lockout

• Double Pulse Suppression

• 1.0 Trimmed Bandgap Reference

• High Current Totem Pole Output

• Pb−Free Packages are Available*