參數(shù)資料
型號(hào): STK6103
廠商: Sanyo Electric Co.,Ltd.
英文描述: Metalized Polyester Film Radial Lead Capacitor; Capacitance: .22uF; Voltage: 400V; Case Size: 15.5x10.4 mm; Packaging: Bulk
中文描述: 直流三相無刷電機(jī)驅(qū)動(dòng)器(輸出電流3A)
文件頁數(shù): 10/11頁
文件大?。?/td> 232K
代理商: STK6103
STK6103
No. 4290- 10/11
(2)
Thermal radiation design
Actual thermal radiation design requires determination of the IC internal average power dissipation Pd from the
motor phase current Io (Fig. 9). Pd is then used to determine the thermal resistance for the radiator from the
following expression.
θ
c – a =
Tc max – Ta
Pd
(°C/W)
where Tc max = 105°C
Ta = ambient temperature
With a 2.0 mm radiation plate, the required area can be determined from Fig. 10. Note that substrate temperature
will vary widely with set internal air temperature, and Tc for the mounted state must be 105°C max.
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