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CXLE8285升压转换器驱动多达7个系列的白色发光二极管单锂离子电池电流模式固定频率的结构来调节LED电流外部电流检测电阻测量低电压200mV的反馈降低功率损耗提高效率
| 产品型号： | CXLE8285 |
| 产品类型： | 照明驱动 |
| 产品系列： | 降压恒流LED驱动 |
| 产品状态： | 量产 |
| 浏览次数： | 61 次 |
产品简介
* 1.2MHz的固定频率操作
*内部集成功率MOSFET
*驱动多达7颗白光LED
*低200mV的电压反馈
*软启动、调光频率范围宽
*欠压保护，热关机
*内部电流限制
*过电压保护
*小的LC滤波器
*减少外部元件
*＜1μ关断电
技术参数
| 输入电压范围 (VIN) | ≤ 3~24VV |
|---|---|
| 输出电压 (VOUT) | adj |
| 工作频率 | 1.20MHz |
| 转换效率 | 90% |
| 封装类型 | SOT23-6 |
| Dimming method | PFM |
| 功率管 | 内置MOS |
| 功耗 | 10μA |
| Thd | ±3% |
| Power | 0.3W-7W |
| Pf value | >0.9 |
| Topology | 降压恒流LED驱动 |
| Application | 照明驱动 |
| Topology type | 升压型 |
| Ripple | <5% |
| Operating temp | -40℃~85℃ |
| Protection | OVP/OCP/短路保护 |
| Certification | UL/CE |
产品详细介绍
目录
7.相关产品
产品概述 返回TOP
The CXLE8285 a step-up converter designed for driving up to 7 series white LEDs from a single cell Lithium Ion battery. The CXLE8285 uses current mode, fixed frequency architecture to regulate an LED current, which is measured through an external current sense resistor. Its low 200mV feedback voltage reduces power loss and improves efficiency.The CXLE8285 includes under-voltage lockout,current limiting and thermal overload protection preventing damage in the event of an output overload.Optimized operation frequency can meet the requirement of small LC filters value and low operation current with high efficiency. Internal soft start function can reduce the inrush current. Tiny package type provide the best solution for PCB space saving and total BOM cost.
CXLE8285是一个升压转换器,用于驱动多达7个系列的白色发光二极管,是由一个单细胞的锂离子电池。该CXLE8285采用电流模式，固定频率的结构来调节LED电流，这是通过一个外部电流检测电阻测量。低电压200mV的反馈，降低功率损耗和提高效率。
产品特点 返回TOP
High Efficiency: Up to 90%
1.20MHz Constant Frequency Operation
Integrated internal Power MOSFET
Drives up to 7 Series WLEDs
Low 200mV Feedback Voltage
Soft-start/Dimming with wide Frequency Range
UVLO, Thermal Shutdown
Internal Current limit
Over Voltage Protection
Small LC Filter
Minimize the External Component
<1μA Shutdown Current
SOT23-6 Package*效率：高达90%
* 1.2MHz的固定频率操作
*内部集成功率MOSFET
*驱动多达7颗白光LED
*低200mV的电压反馈
*软启动、调光频率范围宽
*欠压保护，热关机
*内部电流限制
*过电压保护
*小的LC滤波器
*减少外部元件
*＜1μ关断电
*SOT23 - 6封装
应用范围 返回TOP
Camera Flash White LED
Mobile Phone, Smart Phone LED Backlight
PDA LED
Backlight
Digital Still Cameras
Camcorder
*照相机闪光灯的白光LED
*手机，智能手机LED背光
* PDA LED背光
*数码相机
*摄像机
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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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 |
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