DESCRIPTION
The @vic AV3842B/3843B are specifically designed for Off-Line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal external components. The AV3842B has UVLO thresholds 16V (on) and 10V(off), ideally suited for off-line converters. SOP-8 FEATURES
*Trimmed Oscillator for Precise Frequency Control *Oscillator Frequency Guaranteed at 250kHz *Current Mode Operation to 500kHz *Automatic Feed Forward Compensation *Latching PWM for Cycle-By-Cycle Current Limiting *Internally Trimmed Reference with Undervoltage Lockout *High Current Totem Pole Output *Undervoltage Lockout with Hysteresis *Low Startup and Operating Current DIP-8 BLOCK DIAGRAM QW-R103-012,A Datasheet pdf - @vic AV3842B / 3843B LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS
(Ta=25°C) PARAMETER Total power supply and Zener current Output current, source or sink (note1) Output energy (capacitive load per cycle) Current sense and voltage feedback inputs Error Amp. Output sink...