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MC33060AD Scheda tecnica(PDF) 4 Page - ON Semiconductor |
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MC33060AD Scheda tecnica(HTML) 4 Page - ON Semiconductor |
4 / 16 page MC34060A, MC33060A http://onsemi.com 4 ELECTRICAL CHARACTERISTICS (continued) (VCC = 15 V, CT = 0.01 mF, RT = 12 kW, unless otherwise noted. For typical values TA = 25°C, for min/max values TA is the operating ambient temperature range that applies, unless otherwise noted.) Characteristics Symbol Min Typ Max Unit PWM COMPARATOR SECTION (Test circuit Figure 11) Input Threshold Voltage (Zero Duty Cycle) VTH − 3.5 4.5 V Input Sink Current (V[Pin 3] = 0.7 V) II 0.3 0.7 − mA DEAD−TIME CONTROL SECTION (Test circuit Figure 11) Input Bias Current (Pin 4) (Vin = 0 V to 5.25 V) IIB(DT) − −1.0 −10 mA Maximum Output Duty Cycle (Vin = 0 V, CT = 0.01 mF, RT = 12 kW) (Vin = 0 V, CT = 0.001 mF, RT = 47 kW) DCmax 90 − 96 92 100 − % Input Threshold Voltage (Pin 4) (Zero Duty Cycle) (Maximum Duty Cycle) VTH − 0 2.8 − 3.3 − V OSCILLATOR SECTION Frequency (CT = 0.01 mF, RT = 12 kW, TA = 25°C) TA = Tlow to Thigh − MC34060A TA = Tlow to Thigh − MC33060A (CT = 0.001 mF, RT = 47 kW) fosc 9.7 9.5 9.0 − 10.5 − − 25 11.3 11.5 11.5 − kHz Standard Deviation of Frequency* (CT = 0.001 mF, RT = 47 kW) σfosc − 1.5 − % Frequency Change with Voltage (VCC = 7.0 V to 40 V) Dfosc(DV) − 0.5 2.0 % Frequency Change with Temperature (DTA =Tlow to Thigh) (CT = 0.01 mF, RT = 12 kW) Dfosc(DT) − − 4.0 − − − % UNDERVOLTAGE LOCKOUT SECTION Turn−On Threshold (VCC increasing, Iref = 1.0 mA) Vth 4.0 4.7 5.5 V Hysteresis VH 50 150 300 mV TOTAL DEVICE Standby Supply Current (Pin 6 at Vref, all other inputs and outputs open) (VCC = 15 V) (VCC = 40 V) ICC − − 5.5 7.0 10 15 mA Average Supply Current (V[Pin 4] = 2.0 V, CT = 0.001 mF, RT = 47 kW). See Figure 11. IS − 7.0 − mA *Standard deviation is a measure of the statistical distribution about the mean as derived from the formula; σ = N Σ (xn −x)2 n − 1 N−1 |
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