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LT8685SRVPBF 数据表(PDF) 9 Page - Analog Devices |
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LT8685SRVPBF 数据表(HTML) 9 Page - Analog Devices |
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9 / 24 page ![]() LT8685S 9 Rev. 0 For more information www.analog.com Conducted EMI Performance TYPICAL PERFORMANCE CHARACTERISTICS Radiated EMI Performance – Vertical Polarization (CISPR25 Radiated Emission Test with Class 5 Peak Limits) Radiated EMI Performance – Horizontal Polarization (CISPR25 Radiated Emission Test with Class 5 Peak Limits) TA = 25°C. VIN1 = VIN2 = 12V, VIN3 = VIN4 = 3.3V, fSW = 2MHz unless otherwise noted. EVAL-LT8685S DEMO BOARD (WITH EMI FILTER INSTALLED) VEMI = 14V, VOUT1 = 5V, VOUT2 = 3.3V, VOUT3 = 1.8V, VOUT4 = 1.2V IOUT1 = IVIN3 + IVIN4 + IBIAS, IOUT2 = 1A, IOUT3 = IOUT4 = 4A, fSW = 2MHz CLASS 5 PEAK LIMIT SPREAD SPECTRUM MODE FIXED FREQUENCY MODE FREQUENCY (MHz) 0 3 6 9 12 15 18 21 24 27 30 –20 –10 0 10 20 30 40 50 60 8685S G33 EVAL-LT8685S DEMO BOARD (WITH EMI FILTER INSTALLED) VEMI = 14V, VOUT1 = 5V, VOUT2 = 3.3V, VOUT3 = 1.8V, VOUT4 = 1.2V IOUT1 = IVIN3 + IVIN4 + IBIAS, IOUT2 = 1A, IOUT3 = IOUT4 = 4A, fSW = 2MHz FREQUENCY (MHz) 0 100 200 300 400 500 600 700 800 900 1000 –10 –5 0 5 10 15 20 25 30 35 40 45 50 8685S G34 CLASS 5 PEAK LIMIT SPREAD SPECTRUM MODE FIXED FREQUENCY MODE EVAL-LT8685S DEMO BOARD (WITH EMI FILTER INSTALLED) VEMI = 14V, VOUT1 = 5V, VOUT2 = 3.3V, VOUT3 = 1.8V, VOUT4 = 1.2V IOUT1 = IVIN3 + IVIN4 + IBIAS, IOUT2 = 1A, IOUT3 = IOUT4 = 4A, fSW = 2MHz FREQUENCY (MHz) 0 100 200 300 400 500 600 700 800 900 1000 –10 –5 0 5 10 15 20 25 30 35 40 45 50 8685S G35 CLASS 5 PEAK LIMIT SPREAD SPECTRUM MODE FIXED FREQUENCY MODE |
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