CXLE87157是一款针对LED照明应用的单级反激和PFC控制器。它是一种无需二次反馈电路的一次侧控制器，成本低，并以准谐振模式驱动反激变换器以获得更高的效率。它使反激变换器保持恒定的定时工作，以获得高功率因数。
一次侧控制消除光耦。
实现低开关损耗的一次MOSFET谷通
0.3V一次电流检测参考电压引线
以降低感测电阻，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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[ CXLE87157 ]
目录
7.相关产品
产品概述 返回TOP
The CXLE87157 is a single stage Flyback and PFC controller targeting at LED lighting applications. It is a primary side controller without applying any secondary feedback circuit for low cost, and drives the Flyback converter in the quasi-resonant mode to achieve higher efficiency. It keeps the Flyback converter in constant on time operation to achieve high power factor.
产品特点 返回TOP
Primary side control eliminates the opto-coupler.
Valley turn-on of the primary MOSFET to achieve low switching losses
0.3V primary 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: MSOP10 and SO8
应用范围 返回TOP
LED lighting
Down light
Tube lamp
PAR lamp
Bulb
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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电路原理图 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 |
|
◀ 上一篇:CXLE87156单级反激和PFC控制器带PWM模拟调光的LED照明应用无需二次反馈电路的一次侧控制器准谐振模式驱动反激变换器以获得更高的效率功率因数大于0.90单级转换大电流MOSFET驱动器
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