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UCC2808A-1Q1 Datasheet(PDF) 8 Page - Texas Instruments |
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UCC2808A-1Q1 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 11 page  UCC2808A1Q1, UCC2808A2Q1 LOW POWER CURRENT MODE PUSHPULL PWM SGLS183 − AUGUST 2003 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TYPICAL CHARACTERISTICS Figure 3 OSCILLATOR FREQUENCY vs EXTERNAL RC VALUES 0 RT − Timing Resistor − k Ω 50 100 150 200 1 10 100 1000 C = 100 pF C = 220 pF C = 330 pF C = 560 pF C = 820 pF C = 1000 pF Figure 4 600 800 1000 1200 400 200 0 0 2 4 6 8 10 12 14 Oscillator Frequency − kHz IDD without load IDD with 1 nF load VDD = 10 V, t = 25 5C IDD vs OSCILLATOR FREQUENCY Figure 5 −55 −35 −15 5 25 45 65 85 105 125 0 0.2 0.4 0.6 0.8 1.0 1.2 Temperature COMP TO CS OFFSET vs TEMPERATURE - °C 1 100 10000 1000000 0 10 20 30 40 50 60 70 80 90 0 20 40 60 80 100 120 140 160 180 Gain Figure 6 ERROR AMPLIFIER GAIN AND PHASE RESPONSE vs FREQUENCY Frequency − Hz Phase Figure 7 OUTPUT DEAD TIME vs EXTERNAL RC VALUES RT − Timing Resistor − k Ω 50 100 150 200 250 100 150 250 300 200 50 C = 100 pF C = 220 pF C = 330 pF C = 560 pF C = 820 pF C = 1000 pF Figure 8 DEAD TIME vs TEMPERATURE Temperature - °C −100 −50 0 50 100 150 VDD = 10 V VDD = 7.5 V VDD = 5 V 0 50 100 150 200 250 300 350 400 Figure 9 RC RDS(on) vs TEMPERATURE −100 −50 0 50 100 150 0 50 100 150 200 250 300 VDD = 10 V VDD = 7.5 V VDD = 5 V Temperature - °C Figure 10 Temperature - °C −100 −50 0 50 100 150 0 20 40 60 80 100 120 VDD = 5 V VDD = 7.5 V VDD = 10 V CS RDS(on) vs TEMPERATURE |
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