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L4920 数据表(PDF) 2 Page - STMicroelectronics |
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L4920 数据表(HTML) 2 Page - STMicroelectronics |
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2 / 7 page ![]() ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit Vi DC Input Operating Voltage DC Reverse Input Voltage Transient Input Overvoltages: Load Dump: 5ms ≤ trise ≤ 10ms τf Fall time constant = 100ms RSOURCE ≥ 0.5Ω Field Decay: 5ms ≤ tfall ≤ 10ms, RSOURCE ≥ 10Ω τf Rise time constant = 33ms 35 V TJ,TSTG Junction and Storage Temperature Range – 55 to 150 °C PIN CONNECTIONS (top view) TEST AND APPLICATION CIRCUIT THERMAL DATA Symbol Parameter Minidip (4 + 4) Pentawatt Rth j-amb Rth j-pins Rth j-case Thermal Resistance Junction-ambient Thermal Resistance Junction-pins Thermal Resistance Junction-case Max Max Max 80 °C/W 15 °C/W – 60 °C/W – 3.5 °C/W C = 100 µF is required for stability (ESR ≤ 3Ω over T range) R2 = 6.2K Ω. L4920/L4921 2/7 |
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