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LT8650SPJVPBF 数据表(PDF) 7 Page - Analog Devices |
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LT8650SPJVPBF 数据表(HTML) 7 Page - Analog Devices |
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7 / 34 page ![]() LT8650SP 7 Rev. B For more information www.analog.com TYPICAL PERFORMANCE CHARACTERISTICS Switching Frequency Burst Frequency Soft-Start Tracking Soft-Start Current EN Pin Thresholds PG High Threshold RT = 15kΩ TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 8650sp G20 LOAD CURRENT (A) 0 0.20 0.40 0.60 0.80 1.00 1.20 0 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 VIN1 = VIN2 = 12V VOUT = 5V SYNC = 0V RT = 15k L = 1.0µH 8650sp G21 SS VOLTAGE (V) 0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.2 0.4 0.6 0.8 1.0 8650sp G22 VSS = 0.4V TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4 8650sp G23 EN RISING EN FALLING TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 0.70 0.71 0.72 0.73 0.74 0.75 0.76 0.77 0.78 8650sp G24 TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 5.0 5.5 6.0 6.5 7.0 7.5 8.0 8.5 9.0 9.5 10.0 RISING 8650sp G25 PG Low Threshold RT Programmed Switching Frequency Minimum Input Voltage TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 –10.0 –9.5 –9.0 –8.5 –8.0 –7.5 –7.0 –6.5 –6.0 –5.5 –5.0 FALLING 8650sp G26 SWITCHING FREQUENCY (MHZ) 0 0.5 1 1.5 2 2.5 3 0 15 30 45 60 75 90 105 120 135 150 8650sp G27 VIN1 = VIN2 TEMPERATURE (°C) –55 –25 5 35 65 95 125 155 2.0 2.2 2.4 2.6 2.8 3.0 8650sp G28 |
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