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SI9122 Datasheet(PDF) 3 Page - Vishay Siliconix |
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SI9122 Datasheet(HTML) 3 Page - Vishay Siliconix |
3 / 20 page Document Number: 71815 S-80038-Rev. J, 14-Jan-08 www.vishay.com 3 Vishay Siliconix Si9122 Notes: a. Device Mounted on JEDEC compliant 1S2P test board. b. Derate - 14 mW/°C above 25 °C. c. Derate - 26 mW/°C above 25 °C. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. ABSOLUTE MAXIMUM RATINGS All voltages referenced to GND = 0 V Parameter Limit Unit VIN (Continuous) 75 V VIN (100 ms) 100 VCC 14.5 VBST Continuous 90 100 ms 115 VLX 75 VBST - VLX 15 VREF, ROSC - 0.3 to VCC + 0.3 Logic Inputs - 0.3 to VCC + 0.3 Analog Inputs - 0.3 to VCC + 0.3 HV Pre-Regulator Input Current (Continuous) 5 mA Storage Temperature - 65 to 150 °C Operating Junction Temperature 150 Power Dissipationa TSSOP-20 MLP65-20 850 2500 mW Thermal Impedance ( Θ JA) TSSOP-20b MLP65-20c 75 38 °C/W RECOMMENDED OPERATING RANGE All voltages referenced to GND = 0 V Parameter Limit Unit VIN 12 to 72 V CVIN1 || CVIN2 100 µF/ESR ≤ 100 mΩ, 0.1 µF VCC Operating 10 to 13.2 V CVCC 4.7 µF fOSC 200 to 600 kHz ROSC 24 to 72 k Ω RBBM 22 to 50 CBBM h > 680 pF CSS 4.7 nF CREF 0.1 µF CBOOST 0.1 CLOAD 150 Analog Inputs 0 V to VCC - 2 V V Digital Inputs 0 V to VCC Reference Voltage Output Current 0 to 2.5 mA |
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