CXLE87155是一款单级降压PFC控制器，主要用于LED照明应用。它以准谐振模式驱动Buck-Boost变换器以获得更高的效率。它使Buck-Boost变换器保持恒定的准时工作，以获得高功率因数。
实现低开关损耗的MOSFET谷通
辅助绕组，用于ZCS检测和偏置电流可选
0.3V电流感测参考电压导致感测电阻降低，从而降低传导损耗
内部大电流MOSFET驱动器：1A源极和2A陷极
低启动电流：典型15μA
可靠的短LED和开放式LED保护
功率因数>0.90，单级转换
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[ CXLE87155 ]"
目录
7.相关产品
产品概述 返回TOP
The CXLE87155 is a single stage Buck-Boost PFC controller targeting at LED lighting applications. It drives the Buck-Boost converter in the quasi-resonant mode to achieve higher efficiency. It keeps the Buck-Boost converter in constant on time operation to achieve high power factor.
产品特点 返回TOP
Valley turn-on of the MOSFET to achieve low switching losses
Aux-winding for ZCS detection and bias current optional
0.3V current sense reference voltage leads to a lower sense resistance thus a lower conduction loss
Internal high current MOSFET driver: 1A sourcing and 2A sinking
Low start up current: 15μA typical
Reliable short LED and Open LED protection
Power factor >0.90 with single-stage conversion
Compact package: SO8
应用范围 返回TOP
LED lighting
Down light
Tube lamp
PAR lamp
Bulb lamp
技术规格书（产品PDF) 返回TOP
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产品封装图 返回TOP
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Lighting Driver and Controller ICs |
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Part Number |
Function |
Package |
Dimming |
VIN Range |
PFC |
Isolation |
OptoCouple |
QR Mode |
|
Single Stage Buck PFC Regulato |
SO8 |
NO |
AC LINE |
Yes |
NO |
NO |
Yes |
|
|
Single stage BuckBoost PFC co |
SO8 |
NO |
AC LINE |
Yes |
NO |
NO |
Yes |
|
|
Single Stage Flyback PFC Contr |
SO8 |
PWM/Analog |
AC LINE |
Yes |
Yes |
NO |
Yes |
|
|
Single Stage Flyback PFC Contr |
SO8 |
NO |
AC LINE |
Yes |
Yes |
NO |
Yes |
|
