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*