参数资料
型号: PI5101-EVAL1
厂商: Vicor Corporation
文件页数: 7/9页
文件大小: 0K
描述: EVALUATION BOARD FOR PI5101
标准包装: 1
系列: Picor®, µRDS(on)FET™
主要目的: 电源管理,O 环控制器/高端
嵌入式:
已用 IC / 零件: PI5101
已供物品:
其它名称: 1102-1063
?
As a check, recalculate the junction temperature to
confirm the plot results. Start from the final junction
temperature, 126°C, and use the following steps:
R DS(on) is 450 μΩ maximum at 25°C and will increase as the
Junction temperature increases. From Figure 2, at 126°C
R DS(on) will increase by 24%, then R DS(on) maximum at 126°C
is:
150
140
130
126
120
110
100
R DS(on) =450 μΩ
R θ JA = 40°C/W
100°C
90°C
90
Maximum power dissipation is:
Maximum junction temperature is:
80
70
60
80°C
70°C
60°C
T A = 50°C
50
0
5
10 15 20 25 30 35 40 45 50 55 60
Drain Current [A]
Figure 18: Example graphing of MOSFET junction
temperature at I D =50A and T A =70°C
Picor Corporation ? picorpower.com
PI5101-00-LGIZ
Rev 1.0, Jan 25 th 2010
Page 7 of 9
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