Daewoo CP-520 Service Manual

Contents

Daewoo CP-520 Service Manual Manual pdf 33 page image

CP-520/520A/520F Service ManualDTV R&D Europe 324.6.4 PIN DESCRIPTIONPIN NAME SYMBOL DESCRIPTION1 Overcurrent feedback O.C.P/E.B.Input of over current detection signal and feedbacksignal2 Source S Mosfet source3 Drain D Mosfet drain4 Supply VIN Input of power supply for control circuit5 Ground GND Ground4.6.5 CONTROL PART - ELECTRICAL CHARACTERISTICSIC PIN RATINGDESCRIPTION NUMBER SYMBOL MIN. TYPE MAX UNITOperation start voltage 4-5 VIN (on) 14.4 16 17.6 VOperation stop voltage 4-5 VIN (off) 9 10 111 VCircuit current in operation 4-5 IIN (on) - - 30 mACirc. current in non-operation 4-5 IIN (off) - - 100 μAMaximum off time - TOFF(max) 45 - 55 μSECMinimum time for input ofquaxi resonant signals 1-5 TTH (2) - - 1.0 μSECMinimum off time - TOFF(min) - - 1.5 μSECO.C.P./F.B. terminalthreshold voltage 1 1-5 VTH (1) 0.68 0.73 0.78 VO.C.P./F.B. terminalthreshold voltage 2 1-5 VTH (2) 1.3 1.45 1.6 VO.C.P./F.B. terminalextraction current 1-2 IOCP/FB 1.2 1.35 1.5 mAOVP operation voltage 4-5 VIN(OVP) 20.5 22.5 24.5 VLatch circuit sustainingvoltage 4-5 IIN (H) - - 400 μALatch circuit release voltage 4-5 VIN (Loff) 6.6 - 8.4 VThermal shutdown operatingtemperature - TJ (TSD) 140 - - 0C