参数资料
型号: MC33288DDHR2
厂商: Freescale Semiconductor
文件页数: 10/15页
文件大小: 0K
描述: IC SSR FLASHER DUAL HSIDE 20HSOP
标准包装: 750
类型: 高端
输入类型: 非反相
输出数: 2
导通状态电阻: 20 毫欧
电流 - 输出 / 通道: 8A
电流 - 峰值输出: 30A
电源电压: 8 V ~ 35 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.433",11.00mm 宽)裸露焊盘
供应商设备封装: 20-HSOP
包装: 带卷 (TR)
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
Transient Thermal Model
A more complete model including thermal capacitance is
proposed in Figure 3.
30
20
5mJ/K
5mJ/K
1mJ/K
4mJ/K
MOS1 3K/W
MOS2
MOS3
3.5K/W
Control
10
450K/W
3K/W
3K/W
Case
3.5K/W
0.5J/K
Board
3K/W
300K/W
0
0
100
200
300
400 500
Time (sec.)
600
700
800
Ambiant
20K/W
6J/K
Figure 6. Junction to Ambiant Thermal Impedance
This figure shows that the steady state is reached after
about 10 minutes. It also clearly shows that the device can
Figure 5. Transient Thermal Model
This gives a thermal impedance versus time (Figure 4),
dissipate almost twice the power within one minute compared
to the maximum allowed power dissipation in steady state.
which has been determined with the printed circuit board
shown in Figure 1.
33288
Analog Integrated Circuit Device Data
10
Freescale Semiconductor
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