The CXLE86128 is a dimmable high precision primary-side regulation isolated flyback controller with single-stage Active PFC, specially designed for offline constant current LED lighting,The controller with on-chip PFC circuit operates in CCM (Critical Conduction Mode) to achieve high power factor and reduce the power MOSFET switching loss. The controller precisely control the LED current without secondary side sense and feedback circuit including opto-coupler. It uses source driver architecture and pending internal charging circuit for low primary side switching loss, ultra fast VDD start up and LED turn on. The CXLE86128 uses compensation method to achieve excellent line regulation, and it still can be tuned externally for flexibility.The controller also has outstanding load regulation for driving wide range of LED numbers. The CXLE86128 offers rich protection functions to improve the system reliability, including LED short circuit protection, LED open circuit protection, VDD over voltage protection, VDD under voltage protection, ISEN resistor short circuit protection, ISEN resistor open circuit protection, cycle-by-cycle current limit and die over-temperature protection
[ CXLE86128 ]
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产品特点 返回TOP
· Single-Stage Active PFC for High Power Factor and Low THD
. Primary Side Control Constant Current Operation
. Dimmable . ±3% LED CurrentAccuracy
. Excellent Line and Load Regulation
. Critical Conduction Mode Operation
. Gate Driver Structure for Improved Efficiency
. High Resistance Feedback Resistor for Improved Efficiency
. Ultra-Low Start up Current
. Ultra-Low Operating Current
. LED Short and Open Circuit Protection
. ISEN Resistor Short and Open Circuit Protection
. Transformer Saturation Protection
. Cycle-by-Cycle Current Limit
. VDD Over-voltage and Under-voltage Protection
. Over Temperature Protection
. Auto Recovery
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| 产品型号 | HVMOSFET（BVDSS） | 输出电流 | 内置功率管 | 开路保护 | 功率范围 | HVMOSFET（Rdson） | 功率因素校正 | 封装形式 |
| CXLE8461 | 700V | / | Internal | Exteral | 20 | 4.5Ω | 0.9 | SOP-7 |
| CXLE8462 | 700V | / | Internal | Exteral | 9 | 6.5Ω | 0.9 | SOP-7 |
| CXLE86127 | 700V | 2.5 | Internal | Exteral | 20 | 1.5Ω | 0.9 | SOP-7 |
| CXLE86126 | 700V | 2 | Internal | Exteral | 9 | 4Ω | 0.9 | SOP-7 |
| CXLE8463 | / | / | Internal | Exteral | 60 | / | 0.9 | SOP-8 |
| CXLE86128 | / | / | Internal | Exteral | 60 | / | 0.9 | SOP-8 |
| CXLE86132 | 650V | 4 | Internal | Internal | 30 | 2.5Ω | 0.5 | DIP-7 |
| CXLE86131 | 650V | 3 | Internal | Internal | 24 | 2.6Ω | 0.5 | DIP-7 |
| CXLE8464 | 650V | 0.6 | Internal | Internal | 5 | 23Ω | 0.5 | SOP-8 |
| CXLE8465 | 650V | 0.4 | Internal | Internal | 5 | 29Ω | 0.5 | SOP-8 |
| CXLE8417 | 700V | 4 | Internal | Exteral | 24 | 1.9Ω | 0.9 | DIP-7 |
| CXLE8416 | 700V | 3 | Internal | Exteral | 18 | 2.8Ω | 0.9 | DIP-7 |
| CXLE8418 | / | / | Internal | Exteral | 60 | / | 0.9 | SOP-8 |
| CXLE8414C | 650V | 1.2 | Internal | Internal | 9 | 8.5Ω | 0.5 | SOP-8 |
| CXLE8413C | 650V | 0.8 | Internal | Internal | 7 | 14.5Ω | 0.5 | SOP-8 |
| CXLE8414A | 650V | 2 | Internal | Internal | 18 | 4Ω | 0.5 | DIP-7 |
| CXLE8414S | 650V | 2 | Internal | Internal | 12 | 4Ω | 0.5 | SOP-8 |
| CXLE8414 | 650V | 1.2 | Internal | Internal | 9 | 8.5Ω | 0.5 | SOP-8 |
| CXLE8413 | 650V | 0.8 | Internal | Internal | 7 | 14.5Ω | 0.5 | SOP-8 |
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