UC2842B/3B/4B/5B ® UC3842B/3B/4B/5B HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER .
TRIMMED OSCILLATOR FOR PRECISE FREQUENCY CONTROL .
OSCILLATOR FREQUENCY GUARANTEED AT 250kHz .
CURRENT MODE OPERATION TO 500kHz .
AUTOMATIC FEED FORWARD COMPENSA- TION .
LATCHING PWM FOR CYCLE-BY-CYCLE CURRENT LIMITING .
INTERNALLY TRIMMED REFERENCE WITH UNDERVOLTAGE LOCKOUT .
HIGH CURRENT TOTEM POLE OUTPUT .
UNDERVOLTAGE LOCKOUT WITH HYSTER- ESIS .
LOW START-UP AND OPERATING CURRENT Minidip SO8 comparatorw