KP2813ASGA
  • KP2813ASGAKP2813ASGA

KP2813ASGA

KP2813ASGA is a high power factor, low total harmonic distortion, primary side control flyback constant voltage controller.

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Product Description

High PF, low THD, primary side control flyback constant voltage controller


KP2813ASGA is a high power factor, low total harmonic distortion, primary side control flyback constant voltage controller. The chip has a built-in high-voltage start circuit, which can meet the requirements of fast start and ultra-low standby.


KP2813ASGA adopts quasi-resonant working mode, the system has high working efficiency, but also can obtain better EMC performance. The chip can set the lowest working frequency, which can ensure the stability of the output voltage under the condition of full load range, and meet the requirements of low standby loss. The KP2813A is equipped with a step-adjustable adaptive output voltage limiting mechanism to speed up the dynamic load response to meet the needs of different applications.


KP2813ASGA is fully integrated with protection features, including: VDD Undervoltage protection (VDD UVLO), VDD Overvoltage protection (VDD OVP), input Undervoltage protection (BOP), output Overvoltage protection (OVP), output Undervoltage protection (UVP), cycle current Limit (OCP), Abnormal Overcurrent protection (AOCP), overload protection (OLP), short circuit protection (SCP), built-in overheat protection (OTP), front blanking (LEB), etc.


Main feature

• High efficiency in quasi-resonant mode

• Full voltage power factor >0.95, THD<8%

• The graded harmonics meet IEC61000-3-2 Class C

• Built-in high-voltage start circuit, system start time <300ms

• Output constant pressure accuracy < ±3%

• Output fast dynamic adjustment function

• Ultra-low starting and operating current, standby power consumption <50mW

• Encapsulation type SOP-8


• Integrated protection features:

• VDD overvoltage/Undervoltage protection (VDD OVP/UVLO)

• Output Overvoltage protection (OVP)

• Input Undervoltage Protection (BOP)

• Overheat protection (OTP)

• Weekly Term Current protection (OCP/AOCP)

Output Short-circuit Protection (SCP)

• Overload Protection (OLP)

• Front blanking (LEB)


Typical application

• Intelligent lighting, landscape lighting

• Constant voltage external power supply



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