700毫安电流限制38V高输出电压5kHz至100kHz的脉宽调制亮度控制CXLE81106内置循环电流限制恒定频率电流模式的PWM结构导致低可预测的输出噪声

700毫安电流限制38V高输出电压5kHz至100kHz的脉宽调制亮度控制CXLE81106内置循环电流限制恒定频率电流模式的PWM结构导致低可预测的输出噪声

产品型号:CXLE81106
产品类型:背光驱动
产品系列: 白灯背光驱动IC
产品状态:量产
浏览次数:45 次
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产品简介

CXLE81106增压转换器包含一个0.46Ω的内部开关。该集成电路工作在恒定频率600千赫,允许使用微型,低成本和低高度的电感和电容器。集成电路的工作电压为2.7伏至7伏。采用大补偿电容器消除启动时的大涌流。恒定频率电流模式的PWM结构导致低,可预测的输出噪声。该CXL8106包括按周期700毫安电流限制,以最大限度地提高电感电流和过温保护电路。当VOUT超过38V时,将启用过电压保护。LED的电流由FB和GND之间连接的电阻器设置。
2.7V至7V输入电压范围
·600kHz工作频率
·38V高输出电压
·过电压保护
5kHz至100kHz的脉宽调制亮度控制
内置循环电流限制
·0.2V低参考电压

技术参数

输入电压范围 (VIN)2.7~7.0VV ~ 2.7~7.0VV
输出电压 (VOUT)38VV
输出电流 (IOUT)0.7AA
工作频率600kHzHz
转换效率93%%
封装类型TDFN2X2-6
Topology白灯背光驱动IC
Dimming ratio1000:1
Protection过压过流保护
FeaturesCommon Anode
Efficiency93
Pwm frequency100Hz-1KHz
Application type背光驱动
CH1
FSW(kHz)600
VLED FB(V)0.2*EN Duty

产品详细介绍

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)

5.产品封装       6.电路原理图  

7.相关产品

   产品概述 返回TOP


The CXLE81106 boost converter contains a 0.46Ω internal switch. The IC operates at constant frequency 600 kHz, allowing the use of tiny, low cost and low height inductors and capacitors. The IC operates from a 2.7V to 7V supply voltage. High inrush current at start-up is eliminated using large compensation capacitor. Constant frequency current mode PWM architecture results in low, predictable output noise. The CXLE81106 includes cycle-by-cycle 700mA current limit to maximize inductor current and over-temperature protection circuit. The over-voltage protection will be enabled when VOUT exceeds 38V. The current of LED is set by a resistor connected between FB and GND. The CXLE81106 is available in TDFN2X2-6 package.

   产品特点 返回TOP


„ 2.7V to 7V Input Voltage Range 

„ 600kHz Operating Frequency 

„ 38V High Output Voltage 

„ Over-Voltage Protection 

„ 5kHz to 100kHz PWM Brightness Control 

„ Built-in Cycle-by-Cycle Current Limit 

„ 0.2V Low Reference Voltage 

„ TDFN2X2-6 Package

   应用范围 返回TOP


„ Cellular Phone 

„ LED Module 

„ Compact Back Light Module

   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

 QQ截图20160419174301.jpg

产品封装图 返回TOP


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电路原理图 返回TOP


 

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LED   Backlight Driver

Part  NO.

Vin(V)

min.

Vin(V)

max.

CH

VOUT

(max)

ISW

(A)

FSW

(kHz)

VLED

FB(V)

Note

Package

CXLE8198

2.5

5.5

1

20

1.2

1000

0.1/0.2

/ 0.3

LX,GND,FB,EN,OVP,VIN,EN Dimming 

100~200kHz,6SxP

TSOT23-6

CXLE8199

2.5

5.5

1

40

1.2

1000

0.2

LX,GND,FB,EN,OVP,VIN,EN Dimming 

100~200kHz

TSOT23-6

CXLE81100

4.2

24

6

40

2

600

1.25

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

OVP,PWM/DC/Mixed DimmingMode

TQFN4X4-20

CXLE81101

2.7

5.5

6

40

2

600

1.25

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

TQFN4X4-20

CXLE81102

2.5

20

1

20

1.2

1000

0.2

OVP,FB,DIMC,GND,LX,BP,PWM, EN,PWM

Dimming 100~200kHz,6SxP

TDFN2X2-8

CXLE81103

2.5

5.5

1

40

1.2

1000

0.2

LX,GND,FB,EN,OVP,VIN,EN Dimming 

100~200kHz

SOT23-6

CXLE81104

2.7

5.5

1

28

0.85

1000

0.2

LX,GND,FB,EN,OVP,IN

TDFN2X2-8/SOT-23-6

CXLE81105

2.7

7

1

26

0.7

600

0.2*EN

Duty

FB,COMP,GND,LX, EN,VIN,5k~100kHz EN BrightnessControl

TDFN2X2-6

CXLE81106

2.7

7

1

38

0.7

600

0.2*EN

Duty

FB,COMP,GND,LX, EN,VIN,5k~100kHz EN BrightnessControl

TDFN2X2-6

CXLE81107

5

24

6

40

2

1000

1.23

30mA/CH,PWM dimming,EN,SS,OCP,

OVP,OTP,OLP,SLP

TQFN3X3-16

CXLE81107L

3.2

24

6

40

2

1000

1.23

30mA/CH,PWM dimming,EN,SS,OCP, OVP,OTP,OLP,SLP

TQFN3X3-16

CXLE81108

5

24

6

50

2

750

1.23

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

TQFN4X4-20

CXLE81109

B/C/L

4.2

24

8

48

3

1000

0.6

30mA/CH,PWM dimming,EN,SS,OCP,

OVP,OTP,OLP

TQFN4X4-24

TSSOP20(FD)

CXLE81110

7

18

1

EXT

VCS 

SET

ADJ

1.2

Programmable ILED, PWM Dimming,

Hiccup mode for OVP,SCP

SOP-16

CXLE81111

10

30

4

EXT

VCS 

SET

ADJ

0.8

20mA~150mA/CH,   PWM dimming,EN, SS,OCP,OVP,OTP, OLP,SLP

TSSOP20(FD)

CXLE81112

/A

7

27

4

EXT

VCS 

SET

ADJ

1.23

Programmable   ILED,True PWM& Analog Dimming,Hiccup mode for OVP,OLP, SLP

TQFN4X4-24

TQFN4X4-28

CXLE81113

/4

5

28

12

EXT

VCS 

SET

ADJ

0.6

60mA/CH G5997,120mA/CH G5999 Analog&

PWM Dimming,Slope comp.,OCP,UVP,OTP,

Hiccup mode for OVP,SLP

SOP28/TSSOP18(FD)/TQFN5X5-28

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