• KP28163SGAKP28163SGA


KP28163SGA is a single-stage high PFC non isolated buck constant voltage chip. The chip adopts a quasi resonant operating mode and adaptively adjusts the output voltage, which not only meets the voltage requirements of the later stage linear constant current, but also improves system efficiency.

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Product Description

High PF non-isolated BUCK constant voltage built-in MOS chip, non-isolated dimming without stroboscopic chip.

KP28163SGA is a constant voltage output power switch for dimming and toning LED applications. The chip adopts quasi-resonant mode and adaptively adjusts the output voltage, which not only meets the voltage requirement of the linear constant current after the stage, but also improves the efficiency of the system. The KP28163 has an integrated high-voltage 500V power MOSFET and high-voltage start and power supply circuit, simplifying system design and production costs. The chip has a light load frequency reduction mode, which can improve the stability of the system under light load or no load, and has a high efficiency. The KP28163SGA is integrated with complete protection functions, including: VDD undervoltage protection (UVLO), output overvoltage protection (OVP), output short circuit protection (SCP), cycle by cycle current limit (OCP), built-in overheat protection, and front blanking (LEB).

Main feature

• Quasi-resonant working mode, high efficiency

• Power factor >0.7

• Patented adaptive constant voltage control architecture

• Integrated high voltage start and power supply circuit

• Integrated high voltage 500V MOSFET

• No noise in full load range

• Encapsulation type SOP-8

• Integrated protection features:

• VDD Undervoltage Protection (VDD UVLO)

• Output Overvoltage protection (OVP)

• Output Short-circuit Protection (SCP)

• Overheat protection (OTP)

• Front blanking (LEB)

Typical application

• Dimming and color intelligent lighting

• Constant voltage power supply

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