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MC33232 Datasheet(PDF) 6 Page - ON Semiconductor |
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MC33232 Datasheet(HTML) 6 Page - ON Semiconductor |
6 / 16 page MC33232 http://onsemi.com 6 MEASUREMENT CONDITION Item Condition Measurement Method VIH(ZCD) Pin 1 = 0 V Pin 5 = 3 mA Measure Pin 5 voltage at 3 mA to Pin 5 VIL(ZCD) Pin 2 = 1.1 V Pin 5 = −3 mA Measure Pin 5 voltage at −3 mA to Pin 5 IIB(CS) Pin 4 = 0 V Measure Pin 4 current VIO(CS) Pin 3 = 0 V Measure Pin 4 voltage when Pin 7 switch to low Vin = Ref.1 by increasing Pin 4 voltage from −0.3 V tPHL Pin 1 = 0 V Pin 2 = Vth(mult) + 0.5 V Pin 3 = 0.5 V Pin 4 = See right figure Vin = Ref.1 Vth(cs): Threshold voltage of Pin 4 (at Pin 2 = Vth(mult) + 0.5 V, Pin 3 = 0.5 V) 5 V 0 V tPHL Pin 4 0 V 6 V Pin 7 Vth(cs) Vth(max) Pin 1 = 0 V Pin 3 = 3.0 V Measure Pin 4 voltage when Pin 7 switch to low Pin 2 = 4.0 V Vin = Ref.1 by increasing Pin 4 voltage from 0 V V Pin 1 = 0 V Pin 7 = 20 mA Measure Pin 7 voltage at 20 mA to Pin 7 VOL(OUT) SW2 = C Pin 7 = 200 mA Measure Pin 7 voltage at 200 mA to Pin 7 V Pin 1 = 0 V Pin 7 = −20 mA Measure Pin 7 voltage at −20 mA to Pin 7 VOH(OUT) Pin 4 = GND Pin 7 = −200 mA Measure Pin 7 voltage at −200 mA to Pin 7 VO(max) Vin = Ref.1 SW1 = C Pin 7 = −20 mA Measure Pin 7 voltage at −20 mA to Pin 7 tr tf Pin 1, 4 = 0 V SW3 = ON Vin = See right figure f = 50 KHz 4 V 0 V tf Vin Pin 7 90% 10% tr 90% VO(UVLO) Pin 1 = 0 V Pin 7 = 1.0 mA Measure Pin 7 voltage at 10 mA to Pin 7 SW1 = D Vth(ON) SW1 = E Measure Pin 8 voltage when Pin 2 change to over 1 V by increasing Pin 8 voltage from 7 V Vshut Pin 4 = 0 V Measure Pin 8 voltage when Pin 2 change to under 1 V by increasing Pin 8 voltage from 15 V VH Vin = 0 V VH = Vth(on) − Vshut ICC Startup Pin 1 = 0 V SW1 = D Measure Pin 8 current Operating Dynamic Pin 4 = 0 V Pin 2 = 2.5 V Operating Pin 1 = 0 V SW3 = ON Pin 3 = 0.5 V Measure Pin 8 current Pin 1 = 0 V Vin: Low = 0 V, High = 4 V Measure Pin 8 current fin = Square Wave @ TBD KHz Ref.1: Pin 4 = GND, Vin = 4 V return to zero pulse |
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