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TL594CD Datasheet(PDF) 3 Page - ON Semiconductor |
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TL594CD Datasheet(HTML) 3 Page - ON Semiconductor |
3 / 12 page TL594 http://onsemi.com 3 ELECTRICAL CHARACTERISTICS (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 − 3.6 4.5 V Input Sink Current (VPin 3 = 0.7 V) II− 0.3 0.7 − mA DEADTIME CONTROL SECTION (Test Circuit Figure 11) Input Bias Current (Pin 4) (VPin 4 = 0 V to 5.25 V) IIB (DT) − −2.0 −10 mA Maximum Duty Cycle, Each Output, Push−Pull Mode (VPin 4 = 0 V, CT = 0.01 mF, RT = 12 kW) (VPin 4 = 0 V, CT = 0.001 mF, RT = 30 kW) DCmax 45 − 48 45 50 − % Input Threshold Voltage (Pin 4) (Zero Duty Cycle) (Maximum Duty Cycle) VTH − 0 2.8 − 3.3 − V OSCILLATOR SECTION Frequency (CT = 0.001 mF, RT = 30 kW) (CT = 0.01 mF, RT = 12 kW, TA = 25°C) (CT = 0.01 mF, RT = 12 kW, TA = Tlow to Thigh) fosc − 9.2 9.0 40 10 − − 10.8 12 kHz Standard Deviation of Frequency* (CT = 0.001 mF, RT = 30 kW) σfosc − 1.5 − % Frequency Change with Voltage (VCC = 7.0 V to 40 V, TA = 25°C) Dfosc (DV) − 0.2 1.0 % 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) TA = 25°C TA = Tlow to Thigh Vth 4.0 3.5 5.2 − 6.0 6.5 V Hysteresis TL594C,I TL594M VH 100 50 150 150 300 300 mV TOTAL DEVICE Standby Supply Current (Pin 6 at Vref, All other inputs and outputs open) (VCC = 15 V) (VCC = 40 V) ICC − − 8.0 8.0 15 18 mA Average Supply Current (VPin 4 = 2.0 V, CT = 0.01 mF, RT = 12 kW, VCC = 15 V, See Figure 11) − 11 − mA *Standard deviation is a measure of the statistical distribution about the mean as derived from the formula, σ N n = 1 Σ (Xn − X)2 N − 1 |
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