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LT8331 Datasheet(HTML) 30 Page - Analog Devices |
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LT8331 Datasheet(HTML) 30 Page - Analog Devices |
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LT8331 30 Rev. C For more information www.analog.com ANALOG DEVICES, INC. 2015-2020 03/20 www.analog.com RELATED PARTS TYPICAL APPLICATION PART NUMBER DESCRIPTION COMMENTS LT8300 100VIN Micropower Isolated Flyback Converter with 150V/260mA Switch VIN = 6V to 100V, Low IQ Monolithic No-Opto Flyback, 5-Lead TSOT-23 LT8330 60V, 1A, Low IQ Boost/SEPIC/Inverting Converter VIN = 3V to 40V, VOUT(MAX) = 60V, IQ = 6µA (Burst Mode Operation), 6-Lead TSOT-23, 3mm × 2mm DFN packages LT8494 70V, 2A Boost/SEPIC 1.5MHz High Efficiency Step-Up DC/DC Converter VIN = 1V to 60V (2.5V to 32V Start-Up), VOUT(MAX) = 70V, IQ = 3µA (Burst Mode Operation), ISD = <1µA, 20-Lead TSSOP LT8570/LT8570-1 65V, 500mA/250mA Boost/Inverting DC/DC Converter VIN(MIN) = 2.55V, VIN(MAX) = 40V, VOUT(MAX) = ±60V, IQ = 1.2mA, ISD = <1mA, 3mm × 3mm DFN-8, MSOP-8E LT8580 1A (ISW), 65V, 1.5MHz, High Efficiency Step-Up DC/DC Converter VIN: 2.55V to 40V, VOUT(MAX) = 65V, IQ = 1.2mA, ISD = <1µA, 3mm × 3mm DFN-8, MSOP-8E 40V to 80V Input, 5V Isolated Output Converter 1 D1 D1, D2: PMEG6010CEJ T1: WURTH ELEKTRONIK 750311558 C3: MURATA GRM31CR61A475KA01L C5: MURATA GRM32ER61A107ME20L 8331 TA02 4 : 1 T1 D2 R2 3.24k C4 27nF R5 100k C2 1µF VOUT = 5V 100mA IN SW1-2 EN/UVLO LT8331 VIN 40V TO 80V R1 7.15k SYNC/MODE GND FBX BIAS SS C5 100µF ×2 C1 1µF V RT INTVCC C3 4.7µF R6 10Ω Efficiency Load Regulation ISOLATED FLYBACK: VOUT = 5V VIN = 40V VIN = 80V LOAD CURRENT (mA) 0 20 40 60 80 100 120 50 55 60 65 70 75 80 85 90 95 100 8331 TA02b LOAD CURRENT (mA) 0 20 40 60 80 100 120 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 8331 TA02c ISOLATED FLYBACK: VOUT = 5V VIN = 40V VIN = 80V |
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