CXLE8299是一个单级、高功率因数,原边控制交流转直流LED驱动芯片。CXLE8299 集成片上功率因数校正(PFC)功能,在临界导通模式下运行,实现了高功率因数并减少功率MOS管开关损耗。无需光耦及副边感应器件就可以精确地调制LED电流。CXLE8299 同时实现了各种保护功能,包括过流保护 (OCP)、过压保护 (OVP), 短路保护 (SCP) 和过热保护(OTP)等,以确保系统可靠的工作
高功率因数和低THD的单级有源PFC
一次侧控制消除光耦
高精度LED电流(+/-3%)
关键传导模式操作
高达20W的驱动能力。
循环电流限制
低压锁定(UVLO)保护
VDD和输出过压保护
可调恒流和输出功率设置
上电软启动
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[ CXLE8299 ]"
目录
7.相关产品
产品概述 返回TOP
CXLE8299 is a single-stage,primary side control AC-DC LED driver with active power factor correction. integrates on-chip PFC circuit operates in critical conduction mode (CRM) to achieve high power factor and reduce the power MOSFET switching loss.With Shouding Proprietary control technique, precision LED current is achieved without secondary side sense and feedback circuit including opto-coupler.CXLE8299 provides various protections, such as over current protection (OCP), over voltage protection (OVP), short circuit protection (SCP)and over temperature protection (OTP), etc, to improve system reliability.
CXLE8299是一个单级、高功率因数,原边控制交流转直流LED驱动芯片。CXLE8299 集成片上功率因数校正
(PFC)功能,在临界导通模式下运行,实现了高功率因数并减少功率MOS管开关损耗。无需光耦及副边感应器件
就可以精确地调制LED电流。CXLE8299 同时实现了各种保护功能,包括过流保护 (OCP)、过压保护 (OVP), 短路
保护 (SCP) 和过热保护(OTP)等,以确保系统可靠的工作。
产品特点 返回TOP
Single-stage Active PFC for high power factor and low THD
Primary side control eliminates opto-coupler
High precision LED current (+/-3%)
Critical Conduction Mode operation
Up to 20W driving capability.
Cycle-by-cycle current limiting
Under-voltage lockout (UVLO) protection
VDD and output over voltage protection
Adjustable constant current and output power setting
Power on soft-start
Compact SOT23-6 package
应用范围 返回TOP
AC/DC LED driver applications
Signal and decorative LED lighting
E14/E27/PAR30/PAR38/GU10 LED lamp
T8/T10 LED String
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP
电路原理图 返回TOP
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LED驱动芯片 |
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型号 |
输入电压 |
最大输出电流 |
高效率 |
最大工作频率 |
封装 |
12V-85V |
850MA |
92% |
1MHz |
ESOP-8/PP |
|
0.8~5.5V |
0.3W-7W |
90% |
1MHz |
SOT-23-6L |
|
3~24V |
90% |
1.20MHz |
SOT23-6 |
||
2.6V~7.0V |
100mA |
90% |
1.20MHz |
SOP8 |
|
6V~40V, |
1A |
97.50% |
1MH |
SOT89-5 |
|
2.5V ~5V |
1-5W |
92% |
SOT23-6 |
||
2.5V ~ 6V |
1A |
90% |
SOT23-6 |
||
7.2V~19V |
20W |
90% |
SOT23-6 |
||
1.8-3.6V |
3W |
90% |
1MHZ |
SOT23-6 |
|
6-40V |
1A |
97% |
1MHz |
SOT89-5 |
|
2.7-6V |
3.0A |
97% |
1MHz |
SOT-89-5 |
|
8V~600V |
1A |
90% |
1MHz |
SOP8 |
|
8V~32V |
1A |
97% |
1MHz |
SOT89-5L |
|
2.7V~4.8V |
1W,3W |
97% |
全亮,25%亮度,暴闪 |
SOT23-6 |
|
2.8V~5V |
250mA |
97% |
1.20MHz |
SOT23 |
|
2.5V~24V |
10MA~1安 |
90% |
2.5MHz |
SOT23-6 |
|
7.2V~19V |
20W |
97% |
1MHz |
SOT23-6 |
|
2.7V~4.8V |
1W,3W |
90% |
1MHz |
SOT23-6 |
|
ON/OFF模式3段调光模式无级调光模式 |
SOP-8/SOT23-6 |