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MC33067 Datasheet(PDF) 5 Page - ON Semiconductor |
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MC33067 Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 16 page MC34067, MC33067, NCV33067 www.onsemi.com 5 One-Shot Period is Measured at the Drive Outputs. Oscillator Discharge Time is Measured at the Drive Outputs. COSC = 200 pF 60 30 20 10 6.0 3.0 500 0 tdischg, OSCILLATOR DISCHARGE TIME (ms) 3500 3000 2500 2000 1500 1000 IOSC, OSCILLATOR CONTROL CURRENT (mA) 0.35 0.30 0.25 0.20 0.15 0.10 IOSC, OSCILLATOR CONTROL CURRENT (mA) tOS, ONE-SHOT PERIOD (ms) 0 0.05 200 VCC = 12 V TA = 25°C ROSC = 18.2 k 400 300 100 500 COSC = 300 pF 0 -10 -20 -30 -40 -50 50 40 30 20 10 0 f, FREQUENCY (Hz) TA, AMBIENT TEMPERATURE (°C) -20 -10 Gain 50 60 70 80 90 100 120 110 COSC = 500 pF COSC = 300 pF VCC = 12 V RVFO = ∞ RT = ∞ CT = 500 pF TA = 25°C Figure 2. Oscillator Timing Resistor versus Discharge Time Figure 3. Oscillator Frequency versus Oscillator Control Current Figure 4. Error Amp Output Low State Voltage versus Oscillator Control Current Figure 5. One−Shot Timing Resistor versus Period Figure 6. Open Loop Voltage Gain and Phase versus Frequency Figure 7. Reference Output Voltage Change versus Temperature 0 400 800 1200 1600 2000 0 20 406080 100 0 0.5 1.0 1.5 2.0 2.5 3.0 0.1 0.3 0.6 1.0 3.0 6.0 10 10 k 100 k 1.0M 10M -55 -25 0 25 50 75 125 100 VCC = 12 V VO = 2.0 V RL = 100 k TA = 25°C VCC = 12 V RL = ∞ *Vref at TA = 25°C VCC = 12 V COSC = 500 pF ROSC = 100 k TA = 25°C Phase Margin = 64 ° *Vref = 5.1 V CT = 200 pF CT = 300 pF CT = 500 pF Phase *Vref = 5.2 V *Vref = 5.0 V |
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