the system scheme is simple and reliable. Cxle8457a cxle8457b cxle8457c constant current control and compensation technology, LED output current accuracy is within ?3%, has excellent linear adjustment rate and load adjustment rate, and is not sensitive to the change of transformer winding inductance. Cxle8457a cxle8457b cxle8457c realizes various protection functions, including cycle by cycle overcurrent protection (OCP), overvoltage protection (OVP), led short circuit protection (SCP), led open circuit protection and overheat protection (OTP), etc., to ensure the reliable operation of the system. Cxle8457a cxle8457b cxle8457c is a drive switch designed for LED lighting applications. It adopts the original side feedback flyback circuit architecture, works in the intermittent mode of inductive current, and internally integrates a 600V high-voltage switch.

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[ CXLE8457A ]"
目录
7.相关产品
产品概述 返回TOP
CXLE8457A CXLE8457B CXLE8457C采用原边反馈技术,无需次级反馈电路, 也无需补偿电路。内部集成600V高压功率开关, 系统方案简洁可靠。 CXLE8457A CXLE8457B CXLE8457C恒流控制与补偿技术, LED输出电流精度达到±3%以内,具有优异的线性 调整率和负载调整率,且对变压器绕组电感变化不 敏感。 CXLE8457A CXLE8457B CXLE8457C时实现了各种保护功能,包括逐周期过 流保护(OCP)、过压保护(OVP)、LED短路保护 (SCP)、LED开路保护和过热保护(OTP)等,以 确保系统可靠地工作。CXLE8457A CXLE8457B CXLE8457C针对LED照明应用而设计的驱动开关, 采用原边反馈反激式电路架构,工作于电感电流断 续模式,内部集成600V高压开关。
产品特点 返回TOP
内部集成600V功率管
AC85V到AC265V交流输入电压
原边感应及恒流机制,无需次级反馈电路
高精度LED恒流电流 (±3%)
逐周期峰值电流控制
LED开路/短路保护
欠压锁定保护
VDD过压保护,输出过压保护
过温保护
DIP8封装
应用范围 返回TOP
LED球泡灯、射灯
LED照明驱动
通用恒流源
技术规格书(产品PDF) 返回TOP
需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!
产品封装图 返回TOP
电路原理图 返回TOP
相关芯片选择指南 返回TOP 更多同类产品......
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型 号 |
描 述 |
Vin(V) |
最大驱动能力 |
功率因数 |
调光方式 |
封装 |
三绕组,外置MOS |
85~320VAC |
80W |
>0.5 |
N/A |
SOT23-5 |
|
三绕组,内置600V MOS |
85~264VAC |
5W |
>0.5 |
N/A |
SOP8 |
|
三绕组,内置600V MOS |
85~264VAC |
15W |
>0.5 |
N/A |
DIP8 |
|
三绕组,内置600V MOS |
85~264VAC |
12W |
>0.5 |
N/A |
DIP8 |
|
内置600V MOS |
85~264VAC |
24W |
>0.5 |
N/A |
DIP8 |
|
双绕组,内置650V MOS,OVP可设 |
85~264VAC |
5W |
>0.5 |
N/A |
SOP8 |
|
双绕组,内置650V MOS,OVP可设 |
85~264VAC |
7W |
>0.5 |
N/A |
SOP8 |
|
双绕组,内置600V MOS,OVP可设 |
85~264VAC |
12W |
>0.5 |
N/A |
DIP7 |
|
双绕组,内置600V MOS,OVP可设 |
85~264VAC |
18W |
>0.5 |
N/A |
DIP7 |
|
双绕组,内置600V MOS,OVP可设 |
85~264VAC |
15W |
>0.5 |
N/A |
DIP7 |
|
双绕组,内置600V MOS,OVP可设 |
85~264VAC |
12W |
>0.5 |
N/A |
SOP8 |