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| NCP1236 Datasheet, PDF (30/34 Pages) ON Semiconductor – Fixed Frequency Current Mode Controller for Flyback Converters | |||
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HV Startâup Current Source
NCP1236
STATE DIAGRAMS
No TSD
Istart1
VCC > VCC(inhibit)
TSD
Stop
TSD
TSD
VCC < VCC(inhibit)
VCC < VCC(min)
TSD
Off
Figure 52. HV Startâup Current Source State Diagram
Istart2
VCC > VCC(on)
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