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AD6315QF Arkusz danych(PDF) 4 Page - Anachip Corp |
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AD6315QF Arkusz danych(HTML) 4 Page - Anachip Corp |
4 / 16 page AD6315 1/4- to 1/12 Duty VFD Controller/Driver Anachip Corp. www.anachip.com.tw Rev. A5 Dec 29, 2003 4/16 Absolute Maximum Ratings (T A = 25°C,VSS = 0V) Parameter Symbol Rating Unit Logic supply voltage VDD -0.5 to +6.0 V Driver supply voltage VEE VDD + 0.5 to VDD – 40 V Logic input voltage VI1 - 0.5 to VDD + 0.5 V VFD driver output voltage VO2 VEE - 0.5 to VDD + 0.5 V LED driver output current IO1 15 mA VFD driver output current IO2 -40 (grid) -15 (segment) mA Power dissipation PD 800 (Note) mW Operating ambient temperature TA -25 to +85 °C Storage temperature Tstg -50 to +150 °C Note : Derate at –6.4W/ °C at TA = 25°C or higher. Caution : If the absolute maximum rating of even one of the above parameters is exceeded even momentarily, the quality of the product may be degraded. Absolute maximum ratings, therefore, specify the values exceeding which the product may be physically damaged. Be sure to use the product within the range of the absolute maximum ratings. Recommended Operating Range (T A = -20 to 70°C, VSS = 0V) Parameter Symbol Min. Typ. Max. Unit Logic supply voltage VDD 4.5 5 5.5 V High-level input voltage VIH 0.7 VDD VDD V Low-level input voltage VIL 0 0.3 VDD V Driver supply voltage VEE 0 VDD-35 V Remark : Maximum power consumption Pmax = VFD driver dissipation + RL dissipation + LED driver dissipation + dynamic power consumption Where segment current = 3mA, grid current = 15mA, and LED current = 20mA VFD driver dissipation = number of segments x 6 + number of grids/(number of grids + 1) x 30(mW) RL dissipation ≅ (VDD - VEE) 2 / 50 x (number of segments + 1 ) (mW) LED driver dissipation = number of LEDs x 20 (mW) Dynamic power consumption = VDD x 5 (mW) |
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