Description

The CS3844/45 provides all the necessary features to implement off-line fixed frequency current-mode control with a minimum number of external components.

Features

■ Optimized for Offline Control

■ Temp. Compensated Oscillator

■ 50 Max Duty-cycle Clamp

■ VREF Stabilized before Output Stage is Enabled

■ Low Start-up Current

■ Pulse-by-pulse Current Limiting

■ Improved Undervoltage Lockout

■ Double Pulse Suppression

■ 1 Trimmed Bandgap Ref.

■ High Current Totem Pole Output