CXLE8198

CXLE8198升压转换器驱动恒定电流的白色LED,为手机、PDA和其他手持设备提供背光。它的特点是允许白色发光二极管串联,以便发光二极管电流相同,亮度均匀。一个使能输入可以反复脉冲调整LED的亮度。快速1.0兆赫电流模式的PWM控制允许更小的电容和电感。故障状态保护采用逐周期电流限制,以检测最大电感电流、热保护和过电压保护。还包括软启动消除启动过程中的涌流。低参考电压使电流整定电阻器的功率损耗最小化
工作电压:2.5V至5.5V。
·高工作频率:1兆赫
·高输出电压:高达20V(典型值)
·数字调光控制。
·内置循环电流限制。
内置软启动功能。
·0.1V/0.2V/0.3V低参考电压
热过载保护

CXLE8198高效恒流20V白光升压转换器驱动恒定电流的白色LED快速1.0兆赫电流模式的PWM控制允许电容和电感数字调光控制内置循环电流限制

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目录

1.产品概述       2.产品特点     toD嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)toD嘉泰姆

5.产品封装       6.电路原理图  toD嘉泰姆

7.相关产品toD嘉泰姆

   产品概述 返回TOPtoD嘉泰姆


The CXLE8198 step-up converter drives white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. It features allowing series connection of the white LEDs so that the LED currents are identical for uniform brightness. An enable input can be pulsed repeatedly to adjust LED’s brightness. The fast 1.0 MHz current-mode PWM control allows for smaller capacitor and inductor. Fault condition protection uses cycle-by-cycle current limiting to sense maximum inductor current, thermal protection and over-voltage protection. Also included soft-start eliminates inrush current during start-up. The low reference voltage minimized the power loss across the current-setting resistor. The CXLE8198 is available in TSOT-23-6 packages

   产品特点 返回TOPtoD嘉泰姆


„ Operating Voltage: 2.5V to 5.5V. toD嘉泰姆

„ High Operating Frequency: 1MHz toD嘉泰姆

„ High Output Voltage: Up to 20V(Typ.) toD嘉泰姆

„ Digital Dimming Control. toD嘉泰姆

„ Built-in Cycle-by Cycle Current-Limiting. toD嘉泰姆

„ Built-in Soft-Start Function. toD嘉泰姆

„ 0.1V/0.2V/0.3V Low Reference Voltage toD嘉泰姆

„ Thermal Overload Protection toD嘉泰姆

„ TSOT-23-6 PackagetoD嘉泰姆

   应用范围 返回TOPtoD嘉泰姆


GPS Navigation System toD嘉泰姆

Compact Back Light Module toD嘉泰姆

Constant Current Source toD嘉泰姆

LED ModuletoD嘉泰姆

   技术规格书(产品PDF) 返回TOP toD嘉泰姆


     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toD嘉泰姆

 QQ截图20160419174301.jpgtoD嘉泰姆

产品封装图 返回TOPtoD嘉泰姆


image.pngtoD嘉泰姆

电路原理图 返回TOPtoD嘉泰姆


 toD嘉泰姆

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LED   Backlight DrivertoD嘉泰姆

Part  NO.toD嘉泰姆

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CXLE8198toD嘉泰姆

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LX,GND,FB,EN,OVP,VIN,EN Dimming toD嘉泰姆

100~200kHz,6SxPtoD嘉泰姆

TSOT23-6toD嘉泰姆

CXLE8199toD嘉泰姆

2.5toD嘉泰姆

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LX,GND,FB,EN,OVP,VIN,EN Dimming toD嘉泰姆

100~200kHztoD嘉泰姆

TSOT23-6toD嘉泰姆

CXLE81100toD嘉泰姆

4.2toD嘉泰姆

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30mA/CH,Dimming 100~25kHz,EN,OCP,toD嘉泰姆

OVP,PWM/DC/Mixed DimmingModetoD嘉泰姆

TQFN4X4-20toD嘉泰姆

CXLE81101toD嘉泰姆

2.7toD嘉泰姆

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30mA/CH,Dimming 100~25kHz,EN,OCP, OVP,PWM/DC/Mixed Dimming ModetoD嘉泰姆

TQFN4X4-20toD嘉泰姆

CXLE81102toD嘉泰姆

2.5toD嘉泰姆

20toD嘉泰姆

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1000toD嘉泰姆

0.2toD嘉泰姆

OVP,FB,DIMC,GND,LX,BP,PWM, EN,PWMtoD嘉泰姆

Dimming 100~200kHz,6SxPtoD嘉泰姆

TDFN2X2-8toD嘉泰姆

CXLE81103toD嘉泰姆

2.5toD嘉泰姆

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LX,GND,FB,EN,OVP,VIN,EN Dimming toD嘉泰姆

100~200kHztoD嘉泰姆

SOT23-6toD嘉泰姆

CXLE81104toD嘉泰姆

2.7toD嘉泰姆

5.5toD嘉泰姆

1toD嘉泰姆

28toD嘉泰姆

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1000toD嘉泰姆

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LX,GND,FB,EN,OVP,INtoD嘉泰姆

TDFN2X2-8/SOT-23-6toD嘉泰姆

CXLE81105toD嘉泰姆

2.7toD嘉泰姆

7toD嘉泰姆

1toD嘉泰姆

26toD嘉泰姆

0.7toD嘉泰姆

600toD嘉泰姆

0.2*ENtoD嘉泰姆

DutytoD嘉泰姆

FB,COMP,GND,LX, EN,VIN,5k~100kHz EN BrightnessControltoD嘉泰姆

TDFN2X2-6toD嘉泰姆

CXLE81106toD嘉泰姆

2.7toD嘉泰姆

7toD嘉泰姆

1toD嘉泰姆

38toD嘉泰姆

0.7toD嘉泰姆

600toD嘉泰姆

0.2*ENtoD嘉泰姆

DutytoD嘉泰姆

FB,COMP,GND,LX, EN,VIN,5k~100kHz EN BrightnessControltoD嘉泰姆

TDFN2X2-6toD嘉泰姆

CXLE81107toD嘉泰姆

5toD嘉泰姆

24toD嘉泰姆

6toD嘉泰姆

40toD嘉泰姆

2toD嘉泰姆

1000toD嘉泰姆

1.23toD嘉泰姆

30mA/CH,PWM dimming,EN,SS,OCP,toD嘉泰姆

OVP,OTP,OLP,SLPtoD嘉泰姆

TQFN3X3-16toD嘉泰姆

CXLE81107LtoD嘉泰姆

3.2toD嘉泰姆

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6toD嘉泰姆

40toD嘉泰姆

2toD嘉泰姆

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1.23toD嘉泰姆

30mA/CH,PWM dimming,EN,SS,OCP, OVP,OTP,OLP,SLPtoD嘉泰姆

TQFN3X3-16toD嘉泰姆

CXLE81108toD嘉泰姆

5toD嘉泰姆

24toD嘉泰姆

6toD嘉泰姆

50toD嘉泰姆

2toD嘉泰姆

750toD嘉泰姆

1.23toD嘉泰姆

30mA/CH, PWM   dimming, EN,SS, OCP,OVP,OTP,OLPtoD嘉泰姆

TQFN4X4-20toD嘉泰姆

CXLE81109toD嘉泰姆

B/C/LtoD嘉泰姆

4.2toD嘉泰姆

24toD嘉泰姆

8toD嘉泰姆

48toD嘉泰姆

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1000toD嘉泰姆

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30mA/CH,PWM dimming,EN,SS,OCP,toD嘉泰姆

OVP,OTP,OLPtoD嘉泰姆

TQFN4X4-24toD嘉泰姆

TSSOP20(FD)toD嘉泰姆

CXLE81110toD嘉泰姆

7toD嘉泰姆

18toD嘉泰姆

1toD嘉泰姆

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VCS toD嘉泰姆

SETtoD嘉泰姆

ADJtoD嘉泰姆

1.2toD嘉泰姆

Programmable ILED, PWM Dimming,toD嘉泰姆

Hiccup mode for OVP,SCPtoD嘉泰姆

SOP-16toD嘉泰姆

CXLE81111toD嘉泰姆

10toD嘉泰姆

30toD嘉泰姆

4toD嘉泰姆

EXTtoD嘉泰姆

VCS toD嘉泰姆

SETtoD嘉泰姆

ADJtoD嘉泰姆

0.8toD嘉泰姆

20mA~150mA/CH,   PWM dimming,EN, SS,OCP,OVP,OTP, OLP,SLPtoD嘉泰姆

TSSOP20(FD)toD嘉泰姆

CXLE81112toD嘉泰姆

/AtoD嘉泰姆

7toD嘉泰姆

27toD嘉泰姆

4toD嘉泰姆

EXTtoD嘉泰姆

VCS toD嘉泰姆

SETtoD嘉泰姆

ADJtoD嘉泰姆

1.23toD嘉泰姆

Programmable   ILED,True PWM& Analog Dimming,Hiccup mode for OVP,OLP, SLPtoD嘉泰姆

TQFN4X4-24toD嘉泰姆

TQFN4X4-28toD嘉泰姆

CXLE81113toD嘉泰姆

/4toD嘉泰姆

5toD嘉泰姆

28toD嘉泰姆

12toD嘉泰姆

EXTtoD嘉泰姆

VCS toD嘉泰姆

SETtoD嘉泰姆

ADJtoD嘉泰姆

0.6toD嘉泰姆

60mA/CH G5997,120mA/CH G5999 Analog&toD嘉泰姆

PWM Dimming,Slope comp.,OCP,UVP,OTP,toD嘉泰姆

Hiccup mode for OVP,SLPtoD嘉泰姆

SOP28/TSSOP18(FD)/TQFN5X5-28toD嘉泰姆

◀ 上一篇:CXLE8195脉宽调制调光控制接口40V额定集成开关FET串联驱动LED的升压转换器输入电压2.7V至5.5V背光模式下200mV反馈电压LED电流由控制引脚的脉冲宽度调制PWM信号控制

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下一篇▶:CXLE8199升压转换器驱动恒流白色LED为手机PDA其他手持设备提供背光使能输入反复脉冲调整LED的亮度数字调光控制内置循环电流限制内置软启动功能