CXLE8107系列是一款PFM升压DC/DC驱动芯片，具有恒定电流，专为LED应用而设计。考虑到外电阻，输出电流可达0mA~500mA。一个低纹波、高效率的升压型DC/DC变换器可以由CXLE8107xx构成，只需三个外部元件。此外，还有一个CE（芯片启用）功能，可降低功耗。
[ CXLE8107 ]
产品技术资料帮助
查看全部>
目录
1.产品概述 2.产品特点 3.应用范围 4.技术规格书下载（PDF文档）
一.产品概述
CXLE8107 Series is a PFM Step-up DC/DC driver IC with invariant current, design for LED applications. Thought the external resistance, output current reach 0mA~500mA. A low ripple, high efficiency step-up DC/DC converter can be constructed of CXLE8107xx with only three external components. Also available is a CE (chip enable) function that reduce power consumption.
二.产品特点
Low start voltage：0.8V ( at Iout=1mA)
Output Current range：0~ 500mA
Output Current accuracy：±10%
Only inductors, capacitors, Schottky diodes, resistors and so few external components
High Efficiency：82%(Type)
PACKAGE：SOT-23-5，SOT-89-5
三.应用范围
Power source for high-power LED
Power source for invariant current
四.技术规格书（产品PDF)
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！
五.产品封装图
六.电路原理图
七.相关芯片选择指南 更多同类产品......
|
LED Backlight Driver(LED背光驱动电路) |
||||||||
|
Part Number |
MODE |
VIN |
IOUT |
FOSC |
Accu |
Eff. |
VFB(Max) |
Package |
|
PFM |
0.9-6.5V |
0-500mA |
300K |
±10% |
82% |
200±20/ |
SOT89-5 |
|
|
PWM |
0.9-6.5V |
500-1000mA |
1M |
±10% |
90% |
95±10 |
SOT23-6 |
|
|
PWM |
2.5-5.5V |
20mA |
1 M |
±5% |
85% |
200±10 |
TSOT23-6/SOT23-6 |
|
|
PWM |
2.5-5.5V |
20mA |
1 M |
±5% |
85% |
200±10 |
TSOT23-6/SOT23-6 |
|
|
PFM |
6-40V |
1000mA |
1 M |
±5% |
97% |
100±5 |
SOT89-5 |
|
|
PWM |
2.5-5.5V |
120mA |
1 M |
±5% |
88% |
200±10 |
TSOT23-6/SOT23-6 |
|
|
Applications：①Step-up converter to drive white-LED②Constant current output③LED Backlight ④Step-down converter to drive white-LED★CXLE8109 OVP=46V, CXLE8110 OVP=26V ★CXLE8111 Step-down converter to drive white-LED |
||||||||
◀ 上一篇:CXLE8108 1000KHz的固定开关频率3W大功率白光LED背光驱动电路PWM控制模式的开关型DC升压恒流芯片调节外部电阻恒定在500mA～1A
下一篇▶:CXLE8109内部功率N-MOSFET开关高频异步升压转换器支持10个白光led用于背光和OLED电源应用软启动功能1MHz开关频率
