参数资料
型号: IP2021CPBF
厂商: International Rectifier
文件页数: 7/16页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 30A 12-LLGA
标准包装: 10
系列: iPOWIR™
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 5 V
输入电压: 8 V ~ 14 V
频率 - 开关: 300kHz ~ 1MHz
电流 - 输出: 30A
同步整流器:
工作温度: -10°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 12-LLGA
包装: 管件
供应商设备封装: 12-LLGA(11x7.65)

PD-97414
i P2021CPbF
Applying the Safe Operating Area (SOA) Curve
The SOA graph incorporates power loss and thermal resistance information in a way that allows one
to solve for maximum current capability in a simplified graphical manner. It incorporates the ability to
solve thermal problems where heat is drawn out through the printed circuit board and the top of the
case. Please refer to International Rectifier Application Note AN1047 for further details on using this
SOA curve in your thermal environment.
Procedure
1. Calculate (based on estimated Power Loss) or measure the Case temperature on the device
and the board temperature near the device (1mm from the edge).
2. Draw a line from Case Temperature axis to the PCB Temperature axis.
3. Draw a vertical line from the T X axis intercept to the SOA curve.
4. Draw a horizontal line from the intersection of the vertical line with the SOA curve to the Y-axis
(Output Current). The point at which the horizontal line meets the Y-axis is the SOA
continuous current.
Figure 9 SOA Example, Continuous current ? 31A for T PCB = 100oC & T CASE = 110oC
www.irf.com
8/13/2009
7
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