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LT8331 датащи(PDF) 26 Page - Analog Devices |
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LT8331 датащи(HTML) 26 Page - Analog Devices |
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26 / 30 page ![]() LT8365 26 Rev. A For more information www.analog.com TYPICAL APPLICATIONS Low IQ, Low EMI, 400kHz, –250V Output Inverting Converter with SSFM Conducted EMI Performance (CISPR25 Class 5 Peak) Conducted EMI Performance (CISPR25 Class 5 Average) Radiated EMI Performance (CISPR25 Class 5 Peak) Radiated EMI Performance (CISPR25 Class 5 Average) 12V INPUT TO –250V OUTPUT AT 10mA, fSW = 400kHz, SSFM ON CLASS 5 PEAK LIMIT MEASURED EMISSIONS AMBIENT NOISE FREQUENCY (MHz) 0.1 1 10 30 –20 –10 0 10 20 30 40 50 60 70 80 8365 TA12b 12V INPUT TO –250V OUTPUT AT 10mA, fSW = 400kHz, SSFM ON CLASS 5 PEAK LIMIT MEASURED EMISSIONS AMBIENT NOISE FREQUENCY (MHz) 30 100 1k –20 –10 0 10 20 30 40 50 60 (CISPR25 Class 5 Peak) Radiated EMI Performance 8365 TA12c 12V INPUT TO –250V OUTPUT AT 10mA, fSW = 400kHz, SSFM ON CLASS 5 AVERAGE LIMIT MEASURED EMISSIONS AMBIENT NOISE FREQUENCY (MHz) 0.1 1 10 30 –40 –30 –20 –10 0 10 20 30 40 50 60 8365 TA12d 12V INPUT TO –250V OUTPUT AT 10mA, fSW = 400kHz, SSFM ON CLASS 5 AVERAGE LIMIT MEASURED EMISSIONS AMBIENT NOISE FREQUENCY (MHz) 30 100 1k –20 –10 0 10 20 30 40 50 60 (CISPR25 Class 5 Average) Radiated EMI Performance 8365 TA12e 8365 TA12a C6 1µF C5 1nF C4 0.22µF R5 1M R4 3.24k R3 84.5k R2 107k D2 C7 0.22µF L1 10µH C11 0.1µF D1 R8 20 D3 R7 20 D4 C9 0.22µF L2 C2 10µF C1 4.7µF C3 68µF R1 100k C10 0.1µF R6 47 C8 1nF EN/UVLO RT VIN SW FBX BIAS INTVCC SS GND VC LT8365 SYNC/MODE VOUT –250V D1, D2, D3, D4: DIODES INC. DFLS1150 L1: WURTH ELEKTRONIK WE-PD 74437324100 VOUT VIN 12V INPUT EMI FILTER 50V 50V ×2 1206 470nH 1210 50V L2: WURTH ELEKTRONIK 74479876147 C3: PANASONIC EEHZC1H680P 500V 1206 10mA C10, C11:12062C104KAT2A C7, C9: CGJ5L3X7T2D224K160AA C8: C1206C102KRACTU |
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