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LTC3602 Folha de dados(PDF) 5 Page - Linear Technology |
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LTC3602 Folha de dados(HTML) 5 Page - Linear Technology |
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5 / 20 page ![]() LTC3602 5 3602fb BURST CLAMP VOLTAGE (V) 0.4 2.0 2.5 0.7 0.9 1.5 1.0 0.5 0.6 0.8 1.0 0.5 0 3.0 3602 G12 INPUT VOLTAGE (V) 4 90 95 79 85 80 56 8 10 75 70 100 3602 G16 ILOAD = 2.5A ILOAD = 1A FIGURE 6 CIRCUIT LOAD CURRENT (A) 0 –0.10 0.00 1.5 2.5 0.5 1 2 3 –0.20 0.10 3602 G18 FIGURE 6 CIRCUIT VIN = 7V TYPICAL PERFORMANCE CHARACTERISTICS Minimum Peak Inductor Current vs Burst Clamp Voltage Maximum Peak Inductor Current vs Duty Cycle Efficiency vs Load Current, Burst Mode Operation Efficiency vs Load Current, Forced Continuous Efficiency vs Input Voltage Efficiency vs Frequency Load Regulation 5V LDO Output Voltage vs Temperature TRACK/SS Current vs Temperature DUTY CYCLE (%) 0 3 4 5 80 2 1 0 10 20 30 40 50 60 70 90 100 3602 G13 FREQUENCY (kHz) 0 84 88 92 96 500 1000 2000 1500 2500 100 86 90 94 98 3000 3602 G17 1μH 4.7μH 2.2μH FIGURE 6 CIRCUIT VIN = 7V ILOAD = 1A TEMPERATURE ( C) –50 4.90 4.92 4.96 4.98 5.00 5.10 5.04 0 50 75 4.94 5.06 5.08 5.02 –25 25 100 125 3602 G19 TEMPERATURE ( C) –50 1.10 1.15 1.25 1.30 1.35 1.40 0 50 75 1.20 –25 25 100 125 3602 G20 LOAD CURRENT (A) 0.01 90 95 0.1 1 10 85 80 75 70 100 3602 G14 FIGURE 6 CIRCUIT VIN = 5V VIN = 9V LOAD CURRENT (A) 0.01 0.1 1 10 3602 G15 FIGURE 6 CIRCUIT 0 20 40 60 80 100 10 30 50 70 90 VIN = 5V VIN = 9V |
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