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EM8631 Dataheets PDF



Part Number EM8631
Manufacturers Excelliance MOS
Logo Excelliance MOS
Description PWM Controller
Datasheet EM8631 DatasheetEM8631 Datasheet (PDF)

Green mode PWM Flyback Controller EM8631 General Description EM8631 is a high performance, low startup current, low cost, current mode PWM controller with green mode power saving. The EM8631 integrates functions of Soft Start(SS), Under Voltage Lockout(UVLO), Leading Edge Blanking(LEB), internal Over Temperature Protection(OTP), internal slope compensation. The EM8631 also features more protection like Over Load Protection(OLP) and Over Voltage Protection(OVP) to prevent circuit damage occurre.

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Green mode PWM Flyback Controller EM8631 General Description EM8631 is a high performance, low startup current, low cost, current mode PWM controller with green mode power saving. The EM8631 integrates functions of Soft Start(SS), Under Voltage Lockout(UVLO), Leading Edge Blanking(LEB), internal Over Temperature Protection(OTP), internal slope compensation. The EM8631 also features more protection like Over Load Protection(OLP) and Over Voltage Protection(OVP) to prevent circuit damage occurred under abnormal conditions. The EM8631 provides the users a superior AC/DC power application of high efficiency, excellent EMI performance, low external component counts and lower cost solution. Features Ultra Low Start Up Current (6uA) Current Mode Control Soft Start Function Built-in Slope Compensation Internal Leading-edge Blanking UVLO Over Voltage Protection (OVP) on VDD pin Over Load Protection (OLP) Cycle-by-cycle Current Limit Feedback Open Protection Internal Over Temperature Protecti.


EMS15C10UC EM8631 EM8632


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