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ST755C 数据表(PDF) 5 Page - STMicroelectronics |
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ST755C 数据表(HTML) 5 Page - STMicroelectronics |
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5 / 16 page ![]() ST755C Maximum ratings 5/16 3 Maximum ratings Note: Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied Table 3. Absolute maximum ratings Symbol Parameter Value Unit VCC DC input voltage to GND (1) 1. The input to output differential voltage is limited to VCC+|VO|<12.7V -0.3 to 12 V VSHDN Shutdown voltage, SS Voltage, CC Voltage -0.3 to (VCC + 0.3) V VLX Switch voltage (LX to VCC) -12.5 to + 0.3 V VFB Feedback voltage (VO to GND) -11 to + 0.9 V ILX Peak switch current 2 A PTOT Continuous power dissipation at TA = 70°C (SO-8) 470 mW Top Operating junction temperature range (C series) -40 to 185 °C Tstg Storage temperature range -55 to +150 °C Table 4. Thermal data Symbol Parameter SO-8 Unit RthJA Thermal resistance junction-ambient (1) 160 °C/W 1. This value depends from thermal design of PCB on which the device is mounted. |
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