The critical conduction mode ensures that cxle83158a cxle83158b cxle83158c cxle83158d cxle83158e can control the power switch to open when the inductive current is zero, reduce the switching loss of power tube, and ensure that the system has a peak efficiency of more than 95%. The critical conduction mode with zero inductance current Valley ensures the high precision of output LED current, and has good linear regulation and load regulation. It is not sensitive to the change of inductance. I-type inductance can be used. The chip is integrated with high-voltage power MOS tube, which uses JFET to supply power without starting resistance. The peripheral circuit is simple and the system cost is low. Cxle83158a cxle83158b cxle83158c cxle83158d cxle83158e has wide working voltage, which is suitable for full range AC input voltage or 60V - 400V DC voltage input. Mcxle83158a cxle83158b cxle83158c cxle83158d cxle83158e realizes various protection functions, including cycle by cycle overcurrent protection (OCP), led short circuit protection (SCP) and chip temperature overheat regulation function, so as to ensure the reliable operation of the system.
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[ CXLE83158A ]"
目录
7.相关产品
产品概述 返回TOP
CXLE83158A CXLE83158B CXLE83158C CXLE83158D CXLE83158E是一款工作于零电流导通，峰值电流关断 的临界导通模式（CRM，Critical Conduction Mode） 高精度LED恒流控制芯片，主要应用于非隔离降压 型LED电源系统。 临界导通模式确保了CXLE83158A CXLE83158B CXLE83158C CXLE83158D CXLE83158E可以控制功率开关 在电感电流为零时刻开启，减小了功率管的开关损 耗，确保了系统具有95%以上的峰值效率。电感电 流谷值为零的临界导通模式确保了输出LED电流 的高精度，并且具有良好的线性调整率和负载调整 率。对电感量变化不敏感，可以使用工字电感。 芯片内部集成高压功率MOS管，使用JFET供电， 无需启动电阻,外围电路简单，系统成本低。 CXLE83158A CXLE83158B CXLE83158C CXLE83158D CXLE83158E工作电压宽，适合全范围交流输入电压或 是60V - 400V直流电压输入。CXLE83158A CXLE83158B CXLE83158C CXLE83158D CXLE83158E时实现了 各种保护功能，包括逐周期过流保护(OCP)、LED 短路保护(SCP)和芯片温度过热调节功能等，以确 保系统可靠地工作。
产品特点 返回TOP
• 临界导通模式，对电感不敏感
• 最高95%以上的峰值效率
• 高精度LED恒流电流
• 逐周期峰值电流控制
• LED短路保护
• 前沿消隐控制
• 欠压锁定保护(UVLO)
• 过热调节功能
• SOP8封装
应用范围 返回TOP
• LED球泡灯，日光灯，信号灯，景观灯等
• LED舞台灯，蜡烛灯，玉米灯等
• 其他LED驱动应用及通用恒流源
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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非隔离AC-DC |
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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 |
|
内置500V MOS |
85~264VAC |
80mA(vo=36v@176v~264v) |
>0.5 |
N/A |
TO-92 |
|
|
内置500V MOS |
85~264VAC |
130mA(vo=36v@176v~264v) |
>0.5 |
N/A |
TO-92 |
|
|
内置500V MOS |
85~264VAC |
180mA(vo=36v@176v~264v) |
>0.5 |
N/A |
TO-92 |
|
|
内置500V MOS |
85~264VAC |
80mA(vo=36v@176v~264v) |
>0.5 |
N/A |
SOT23-3 |
|
|
内置500V MOS |
85~264VAC |
130mA(vo=36v@176v~264v) |
>0.5 |
N/A |
SOT23-3 |
|
|
内置500V MOS |
85~264VAC |
180mA(vo=36v@176v~264v) |
>0.5 |
N/A |
SOT23-3 |
|
|
内置500V MOS |
85~264VAC |
95mA(vo=36v@176v~264v) |
>0.5 |
N/A |
SOP8 |
|
|
内置500V MOS |
85~264VAC |
130mA(vo=36v@176v~264v) |
>0.5 |
N/A |
SOP8 |
|
|
内置500V MOS |
85~264VAC |
200mA(vo=36v@176v~264v) |
>0.5 |
N/A |
SOP8 |
|
|
内置500V MOS |
85~264VAC |
275mA |
>0.5 |
N/A |
SOP8 |
|
|
内置500V MOS |
85~264VAC |
350mA(vo=36v@176v~264v) |
>0.5 |
N/A |
SOP8 |
|
|
外置MOS |
85~320VAC |
1A |
>0.5 |
N/A |
SOT23-6 |
|
|
内置500V MOS,OVP可设OVP防潮设计 |
85~264VAC |
150mA |
>0.5 |
N/A |
SOP8 |
|
|
内置500V MOS,OVP可设OVP防潮设计 |
85~264VAC |
200mA |
>0.5 |
N/A |
SOP8 |
|
|
内置500V MOS,OVP可设OVP防潮设计 |
85~264VAC |
300/360mA |
>0.5 |
N/A |
SOP8/DIP7 |
|
|
内置500V MOS,OVP可设OVP防潮设计 |
85~264VAC |
300/360mA |
>0.5 |
N/A |
SOP8/DIP7 |
|
|
内置500V MOS,OVP可设OVP防潮设计 |
85~264VAC |
350mA@VOUT=72V 480mA@VOUT=36V |
>0.5 |
N/A |
DIP7 |
|
|
外置MOS,OVP可设 |
85~320VAC |
1.5A |
>0.5 |
PWM/Analog |
SOT23-6 |
|
|
内置500V MOS,OVP可设OVP防潮设计 |
85~264VAC |
300mA |
>0.5 |
PWM/Analog |
DIP7 |
|
|
内置500V MOS,OVP可设OVP防潮设计 |
85~264VAC |
300mA |
>0.5 |
PWM/Analog |
SOP8 |
|
|
内置500V MOS,OVP可设OVP防潮设计 |
85~264VAC |
350mA |
>0.5 |
PWM/Analog |
DIP7 |
|
