UC3842A 查看數據表（PDF） - First Components International
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UC3842A Datasheet PDF : 10 Pages
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UC384XA-BW Current Mode PWM Controller
(UC3842A-BW/ 43A-BW/ 44A-BW/ 45A-BW)
SCR must be selected for a holding current of less than 0.5mA.
The simple two transistor circuit can be used in place of the SCR as shown.
Figure 5. Latched Shutdown
Figure 6. Error Amplifier Compensation
5
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