Application Notes
DN-28 UC3840/UC3841/UC3851 PWM Controllers - Summary of Functions & Differences
Texas Instruments
Published : 05 Sep 99
Description
The UC3840/UC3841 and UC3851 PWM controllers incorporate numerous protection features for switch mode power supplies. The list includes programmable undervoltage lockout thresholds programmable current-limit thresholds overvoltage protection soft-start and external stop/reset capability. While these controllers are similar in concept there are subtle differences among them in the operation of
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