* to implement off-line or DC to DC fixed frequency current mode control schemes with a minimal externalparts count.Internallyimplementedcircuits include undervoltagelockout featuring start-up current less than 1 mA, a precision reference trimmed for accuracy at the error amp input, logic to insure l
UC3842
96.20 KB
Currentmode pwm controller.
®
UC2842/3/4/5 UC3842/3/4/5
CURRENT MODE PWM CONTROLLER
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OPTIMIZED FOR OFF-LINE AND DC TO DC CONVERTERS LOW START-UP CURRENT (.
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