The R7731A is a high-performance, low cost, low start-up current and current mode PWM controller with burst triplemode to support green mode power saving operation。 The R7731A integrates functions of soft start, Under VoItage
LockOut (UVLO),Leading Edge Blanking (LEB), Over Temperature Protection (OTP) and internal slope compensation。 It provides the users a superior AC/DC power application of higher efficiency, low external component counts and lower cost solution。
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