KP15111SPA

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Product Description

KP15111SPA is a high-performance Critical Conduction Mode (CRM) Boost PFC Constant Voltage Power Switch IC designed for offline AC-DC power supply applications. It integrates a high-voltage power switch and PFC control circuitry to improve power factor and conversion efficiency.
The device operates in boost PFC topology and provides constant-voltage regulation with integrated protection features such as over-voltage protection, over-current protection, thermal shutdown, UVLO, and high-voltage startup.
KP15111SPA simplifies PFC power supply designs by reducing external components and eliminating the need for an auxiliary winding, making it suitable for compact and efficient AC-DC power solutions.

Product group	Integrated Circuit (IC)
Package	SOP-8
Model Number	KP15111SPA
Operating Mode	Critical Conduction Mode (CRM) Boost Power Factor Correction (PFC) Constant-Voltage Controller
Product Keywords	PFC Controller, Boost PFC Controller, Active Power Factor Correction, CRM PFC Controller, Offline Power Supply Controller
Protections/Features	Cycle-by-Cycle Over-Current Protection (OCP), Output Over-Voltage Protection (OVP), Output Under-Voltage Protection (UVP), Over-Temperature Protection (OTP), VDD Under-Voltage Lockout (UVLO), Soft Start, Leading Edge Blanking (LEB), Burst Mode
Internal MOS	No (External MOSFET Drive)
Output Current	External MOSFET Dependent
Application Area	LED Power Supplies, AC-DC Power Supplies, Adapters, Industrial Power Supplies, PFC Front-End Converters

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