KP1325LGA

Isolated, Single-Stage Active Power Factor Correction LED Driver Controller

KP1325LGA is a highly integrated constant current LED power controller, the chip adopts the primary feedback quasi-resonant mode, and the active power factor correction control technology can meet the performance requirements of high power factor, low harmonic distortion and high efficiency.

KP1325LGA integrates high-precision inductance current sampling technology and high-precision current comparator reference threshold voltage, and integrates wired voltage compensation and load voltage compensation technology, which has good constant current output characteristics.

KP1325LGA is integrated with complete protection functions to ensure safe and reliable operation of the system, such as: VDD undervoltage protection function (UVLO), cycle current limit (OCP), abnormal overcurrent protection (AOCP), overheat protection (OTP), output overvoltage protection (OVP), LED open and short circuit protection.

Main feature

• Low cost primary side control scheme, high system efficiency

• Full pressure range PF > 0.95, THD < 10%

• Graded harmonics meet the standard IEC61000-3-2

• Quasi-resonant operation mode, high efficiency and excellent EMI performance

• Integrated line voltage adjustment rate compensation and load adjustment rate compensation

• Internal soft boot

• Package: SOT23-6

• Built-in complete protection functions:

• LED open and short circuit protection

• VDD clamp

• Over temperature Protection (OTP)

• Cycle Current Protection (OCP)

• Abnormal Overcurrent Protection (AOCP)

Typical application

• LED panel lights, downlights, street lights

• AC/DC isolated LED driver power