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ADP172ACBZ-1.2-R7 데이터시트(PDF) 15 Page - Analog Devices |
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ADP172ACBZ-1.2-R7 데이터시트(HTML) 15 Page - Analog Devices |
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15 / 20 page ![]() ADP172 Rev. 0 | Page 15 of 20 0 20 40 60 80 100 120 140 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 VIN – VOUT (V) ILOAD = 300mA TJ MAX ILOAD = 1mA ILOAD = 50mA ILOAD = 100mA ILOAD = 200mA ILOAD = 10mA Figure 31. 100 mm2 of PCB Copper, TA = 25°C 0 20 40 60 80 100 120 140 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 VIN – VOUT (V) ILOAD = 300mA TJ MAX ILOAD = 1mA ILOAD = 50mA ILOAD = 100mA ILOAD = 200mA ILOAD = 10mA Figure 32. 0 mm2 of PCB Copper, TA = 25°C 0 20 40 60 80 100 120 140 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 VIN – VOUT (V) ILOAD = 300mA TJ MAX ILOAD = 1mA ILOAD = 50mA ILOAD = 100mA ILOAD = 200mA ILOAD = 10mA Figure 33. 500 mm2 of PCB Copper, TA = 50°C 0 20 40 60 80 100 120 140 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 VIN – VOUT (V) ILOAD = 300mA TJ MAX ILOAD = 1mA ILOAD = 50mA ILOAD = 100mA ILOAD = 200mA ILOAD = 10mA Figure 34. 100 mm2 of PCB Copper, TA = 50°C 0 20 40 60 80 100 120 140 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 VIN – VOUT (V) ILOAD = 300mA TJ MAX ILOAD = 1mA ILOAD = 50mA ILOAD = 100mA ILOAD = 200mA ILOAD = 10mA Figure 35. 0 mm2 of PCB Copper, TA = 50°C In cases where board temperature is known, use the thermal characterization parameter, ΨJB, to estimate the junction tem- perature rise (see Figure 36). Maximum junction temperature (TJ) is calculated from the board temperature (TB) and power dissipation (PD) using the following formula: TJ = TB + (PD × ΨJB) (5) The typical value of ΨJB is 58°C/W for the 4-Ball WLCSP package. 0 20 40 60 80 100 120 140 0.3 0.5 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 VIN – VOUT (V) ILOAD = 300mA TJ MAX ILOAD = 1mA ILOAD = 50mA ILOAD = 100mA ILOAD = 200mA ILOAD = 10mA Figure 36. TA = 85°C |
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