UC284xL High-Performance Economy Current-Mode PWM Controller

1 Features

Improved output driver and lower operating/startup current from UCx84x/UCx84xA/UCx84xAQ/TLx84x/TLx84xB families
Optimized for off-line and DC-DC converters
Low start-up current (< 0.5mA)
Trimmed oscillator discharge current
Automatic feedforward compensation
Pulse-by-pulse current limiting
Enhanced load response characteristics
Undervoltage lockout with hysteresis
Double pulse suppression
High-current totem pole output
Internally-trimmed bandgap reference
Up to 500kHz operation