CXLE8154高频升压型DC转换器驱动恒流白光LED锂离子电池串联驱动多达4个LED低电流高效率LCD面板手机背光白色LED应用

CXLE8154是一个高频升压型DC/DC转换器，采用小型6引线SOT-23封装，专门设计用于驱动恒流白光LED。该设备可以从一个锂离子电池串联驱动多达4个LED。CXLE8154非常适合需要低电流和高效率的LCD面板，以及用于手机背光的白色LED应用。
·2.5 V至6 V输入电压范围
·400毫安内部开关电流
·高达1MHz的开关频率
·70mA典型空载静态电流
·0.1毫安典型关机电流
·内部软启动
·效率高达87%
·工作输出电容降到0.1mF
·包括过电压保护
·提供无铅和绿色设备（RoHS
合规）

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

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The CXLE8154 is a high frequency step-up DC/DC converter in a small 6-lead SOT-23 package specially designed to drive white LEDs with a constant current. The device can drive up to 4 LEDs in series from one Li-Ion cell. The CXLE8154 is ideal for LCD panels requiring low current and high efficiency as well as white LED applications for cellular phone back-lighting.

   产品特点 返回TOP

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· 2.5 V to 6V Input Voltage Range 

· 400mA Internal Switch Current 

· Up to 1MHz Switching Frequency 

· 70mA Typical No Load Quiescent Current 

· 0.1mA Typical Shutdown Current 

· Internal Soft-Start 

· Up to 87% Efficiency 

· Operating Output Capacitor Down to 0.1mF 

· Over Voltage Protection Included 

· Lead Free and Green Devices Available (RoHS Compliant)

   应用范围 返回TOP

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· White LED Display Backlighting 

· Cell Phone and Smart Phone 

· PDA, PMP, MP3 

· Digital Camera

   技术规格书（产品PDF) 返回TOP 

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     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

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电路原理图 返回TOP

 

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Lighting and Display Product > White LED Driver
Part_No	Topology	Archi tecture	Input  Voltage (V)		Adj. Output  Voltage V	No.  of  LEDs	LED Current  (Max) (A)	Switch Current Limit (A)	Current Sense Voltage (typ)(V)	Switching Frequency (kHz)	Dimming Control	Package
			min	max	max
CXLE8153	Boost	CM	2.7	6	32	8	0.03	0.9	0.25	1000	Analog	SOT23-6
CXLE8154	Boost	VM	2.5	6	19	4	0.03	0.4	0.25	1000	Analog PWM	SOT23-6
CXLE8155	Boost	CM	2.7	21	30	8	0.6	3.5	0.5	1200	Analog	DFN3x3-10
CXLE8156	Charge  Pump	-	2.8	4.5	-	4	0.03	-	-	1000	Analog PWM  Digital	QFN4x4-16
CXLE8157	Charge  Pump	-	2.8	4.5	-	6	0.03	-	-	1000	Analog PWM Digital	QFN4x4-16
CXLE8158	Charge  Pump	-	2.8	4.5	-	4	0.03	-	-	1000	Analog PWM Digital	QFN3x3-16
CXLE8159	Boost	CM	2.5	6	24	6	0.03	1.2	0.1	1000	Analog PWM	SOT23-6
CXLE8160	Boost	CM	2.5	6	39	10	0.03	0.9	0.3	1000	Analog PWM	SOT23-6
CXLE8161	Boost	CM	2.5	6	24	6	0.03	1.2	0.2	1000	Analog PWM	SOT23-6
CXLE8162	Boost	CM	2.5	6	40	10	0.03	1.5	0.2	600	Analog PWM	TDFN2x2-6
CXLE8163	Boost	CM	2.5	6	24	6	0.03	2	0.2	1500	Analog PWM	SOT23-6
CXLE8164	Buck	CM	3	5.5	-							SOT23-5
CXLE8165	Boost	CM	6	24	65	17	0.18per string	3.3	0.5	200   ~ 900	External PWM Dimming/I2C	TDFN5x5-16
CXLE8166	Boost	CM	2.7	6	40	10	0.03	1.5	0.2	600	Analog  PWM	TDFN2x2-6