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PKS607Y Datasheet(PDF) 2 Page - Power Integrations, Inc. |
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PKS607Y Datasheet(HTML) 2 Page - Power Integrations, Inc. |
2 / 24 page PKS603-607 Rev. I 10/06 2 Figure 2. Functional Block Diagram. Figure 3. Pin Configuration. Pin Functional Description DRAIN (D) Pin: The power MOSFET drain connection provides internal operatingcurrentforbothstartupandsteady-stateoperation. BYPASS (BP) Pin: A0.33µFexternalbypasscapacitorfortheinternallygenerated 5.8Vsupplyisconnectedtothispin.Intypicalapplications, thispinmustbeexternallysuppliedviaabiaswinding. ENABLE/UNDER-VOLTAGE (EN/UV) Pin: Thispinhasdualfunctions:enableinputandlineunder-voltage sense.Duringnormaloperation,switchingofthepowerMOSFET iscontrolledbythispin.MOSFETswitchingisdisabledwhena currentgreaterthan240µAisdrawnfromthispin.Thispinmay also sense line under-voltage conditions through either an externalresistorconnectedtotheDClinevoltageoranAC sensecircuit. SOURCE (S) Pin: ThisistheMOSFETsourceconnectionforhighvoltagereturn andcontrolcircuitcommon. PI-3940-040606 CLOCK OSCILLATOR 5.8 V 4.8 V GROUND (GND) (Y & F Package Only) SOURCE (S) S R Q DCMAX BYPASS (BP) + - VI LIMIT FAULT PRESENT CURRENT LIMIT COMPARATOR ENABLE LEADING EDGE BLANKING THERMAL SHUTDOWN + - DRAIN (D) REGULATOR 5.8 V BYPASS PIN UNDER-VOLTAGE 1.0 V + VT ENABLE/ UNDER- VOLTAGE (EN/UV) Q 240 µA 25 µA LINE UNDER-VOLTAGE RESET LATCH OFF/ AUTO- RESTART COUNTER ON TIME EXT JITTER 1.0 V 6.3 V CURRENT LIMIT STATE MACHINE/ ADAPTIVE CURRENT LIMIT PI-3941-031506 Tab Internally Connected to SOURCE Pin Y Package (TO-220-7C) D S EN/UV S S 1 BP 3 EN/UV 2 GND 5 NC 4 S 7 D 1 BP 3 EN/UV 2 GND 5 NC 4 S 7 D BP P Package (DIP-8C) F Package (TO-262-7C) 8 5 7 1 4 2 S 6 GROUND (GND) Pin (Y or F Package Only): This is the signal ground for the bypass capacitor and optocoupler. |
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