Transcription of UC3842B - High Performance Current Mode Controllers
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UC3842B - High Performance Current Mode Controllers
Semiconductor Components Industries, LLC, 2013 September, 2013 Rev. 171 Publication Order Number: UC3842B /DUC3842B, UC3843B,UC2842B, UC2843 BHigh PerformanceCurrent Mode ControllersThe UC3842B , UC3843B series are high Performance fixedfrequency Current mode Controllers . They are specifically designed forOff Line and DC DC converter applications offering the designer acost effective solution with minimal external components. Theseintegrated circuits feature a trimmed oscillator for precise duty cyclecontrol, a temperature compensated reference, high gain erroramplifier, Current sensing comparator, and a high Current totem poleoutput ideally suited for driving a power included are protective features consisting
amplifier, current sensing comparator, and a high current totem pole output ideally suited for driving a power MOSFET. Also included are protective features consisting of input and reference undervoltage lockouts each with hysteresis, cycle−by−cycle current limiting, programmable output deadtime, and a latch for single pulse metering.
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