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TL494CN Fiches technique(PDF) 6 Page - Motorola, Inc |
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TL494CN Fiches technique(HTML) 6 Page - Motorola, Inc |
6 / 12 page TL494 6 MOTOROLA ANALOG IC DEVICE DATA Figure 4. Open Loop Voltage Gain and Phase versus Frequency Figure 5. Percent Deadtime versus Oscillator Frequency Figure 6. Percent Duty Cycle versus Deadtime Control Voltage 1.0 10 100 1.0 k 10 k 100 k 1.0 M f, FREQUENCY (Hz) AVOL 0 20 40 60 80 100 120 140 160 180 φ VCC = 15 V ∆VO = 3.0 V RL = 2.0 kΩ Figure 7. Emitter–Follower Configuration Output Saturation Voltage versus Emitter Current 500 k 1.0 k 10 k 100 k 500 k fosc, OSCILLATOR FREQUENCY (Hz) CT = 0.001 µF 0.001 µF 0 1.0 2.0 3.0 3.5 VDT, DEADTIME CONTROL VOLTAGE (IV) VCC = 15 V VOC = Vref 1. CT = 0.01 µF 2. RT = 10 kΩ 2. CT = 0.001 µF 2. RT = 30 kΩ 2 1 Figure 8. Common–Emitter Configuration Output Saturation Voltage versus Collector Current 0 100 200 300 400 IE, EMITTER CURRENT (mA) 0 100 200 300 400 IC, COLLECTOR CURRENT (mA) Figure 9. Standby Supply Current versus Supply Voltage 0 5.0 10 15 20 25 30 35 40 VCC, SUPPLY VOLTAGE (V) 120 110 100 90 80 70 60 50 40 30 20 10 0 20 18 16 14 12 10 8.0 6.0 4.0 2.0 0 50 40 30 20 10 0 1.9 1.8 1.7 1.6 1.5 1.4 1.3 1.2 1.1 2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 10 9.0 8.0 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0 |
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