CXLE8180是一个4通道超低功耗恒流源并行LED驱动器。CXLE8180使用一个内部电阻器为四个LED设置偏置电流。CXLE8180集成了一个单线接口,以16个连续步骤编程输出电流。它有一个内部的去胶电路,用于过滤输入端的噪声。CXLE8180在20毫安负载下只需要35毫伏的电压降。此功能使CXLE8180非常适合于电池供电系统,如个人数字助理。
•超低压降:35mV/20mA
•最多支持4个LED
•LED接收器电流20毫安
•±3%LED电流匹配
•除锂电路
•热关机保护
•16步亮度控制
•无电磁干扰和开关噪声
 
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[ CXLE8180 ]
 
目录
7.相关产品
产品概述 返回TOP
The CXLE8180 is a 4-channel ultra low dropout constant source parallel LED driver. The CXLE8180 uses an internal resistor to set the bias current for four LEDs.The CXLE8180 incorporates a single wire interface to program the output current at 16 continuous steps. It has an internal deglitch circuit for filtering the noise of the EN input.The CXLE8180 requires only a 35mV dropout voltage at a 20mA load. The feature makes CXLE8180 ideal for battery-operated systems, such as personal digital assistants.The CXLE8180 is available in Green TQFN-3×3-16L, TDFN-2×2-8L and MSOP-8 packages and is specified over an ambient temperature range of -40℃ to +85℃.
产品特点 返回TOP
• Ultra Low Dropout: 35mV/20mA
• Support up to 4 LEDs
• LED Sink Current 20mA
• ±3% LED Current Matching
• Deglitch Circuit
• Thermal Shutdown Protection
• 16-Step Brightness Control
• No EMI and Switch Noise
• Operating Temperature Range: -40℃ to +85℃
• Available in Green TQFN-3×3-16L, TDFN-2×2-8L
    and MSOP-8 Packages
应用范围 返回TOP
Wireless Handsets
MP3, MP4, and PMP
Cellular Phones
Portable Communication Devices
Digital Cameras, Camcorders
PDAs, Palmtops, and Handy Terminals
Battery-Powered Equipment
技术规格书(产品PDF) 返回TOP
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产品封装图 返回TOP

电路原理图 返回TOP
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			 Product  | 
			
			 LED Connection  | 
			
			 CH  | 
			
			 Iq(μA)  | 
			
			 SHDN Iq(μA)  | 
			
			 Dimming  | 
			
			 Package  | 
		
| 
			 CXLE8196  | 
			
			 Common Anode  | 
			
			 1  | 
			
			 60  | 
			
			 1  | 
			
			 PWM  | 
			
			 SOT-23-6  | 
		
| 
			 Common Anode  | 
			
			 4  | 
			
			 100  | 
			
			 1  | 
			
			 PWM  | 
			
			 TQFN-3x3-16L  | 
		|
| 
			 Common Anode  | 
			
			 3  | 
			
			 100  | 
			
			 1  | 
			
			 PWM  | 
			
			 TQFN-3x3-16L  | 
		|
| 
			 Common Anode  | 
			
			 4  | 
			
			 240  | 
			
			 1  | 
			
			 PWM  | 
			
			 SOT-23-6  | 
		|
| 
			 Common Anode  | 
			
			 4  | 
			
			 100  | 
			
			 1  | 
			
			 One-Wire  | 
			
			 TQFN-3x3-16L  | 
		|
| 
			 Common Anode  | 
			
			 4  | 
			
			 550  | 
			
			 5  | 
			
			 One-Wire  | 
			
			 TQFN-3x3-16L TDFN-2x2-8L MSOP-8  | 
		|
| 
			 Common Cathode  | 
			
			 4  | 
			
			 300  | 
			
			 10  | 
			
			 One-Wire  | 
			
			 TQFN-3x3-16L  | 
		|
| 
			 Common Anode  | 
			
			 6  | 
			
			 210  | 
			
			 1  | 
			
			 One-Wire  | 
			
			 TQFN-3x3-16L  | 
		|
| 
			 Common Cathode  | 
			
			 6  | 
			
			 300  | 
			
			 10  | 
			
			 One-Wire  | 
			
			 TQFN-4x4-16L  | 
		|
| 
			 Common Anode  | 
			
			 6  | 
			
			 155  | 
			
			 2.5@VIN =4.2V  | 
			
			 PWM  | 
			
			 TQFN-3x3-16L  | 
		|
| 
			 Common Anode  | 
			
			 8  | 
			
			 155  | 
			
			 2.5@VIN = 4.2V  | 
			
			 PWM  | 
			
			 TQFN-3x3-20L  | 
		|
| 
			 Common Anode  | 
			
			 8  | 
			
			 155  | 
			
			 2.5@VIN =4.2V  | 
			
			 One-Wire  | 
			
			 TQFN-3x3-20L  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 200  | 
			
			 1  | 
			
			 PWM  | 
			
			 TSOT-23-6  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 200  | 
			
			 1  | 
			
			 One-Wire  | 
			
			 TSOT-23-6  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 400  | 
			
			 1  | 
			
			 PWM  | 
			
			 TDFN-2x2-6L TSOT-23-6  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 45  | 
			
			 1  | 
			
			 One-Wire  | 
			
			 TDFN-2x2-8L  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 200  | 
			
			 1  | 
			
			 PWM  | 
			
			 TSOT-23-6  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 400  | 
			
			 1  | 
			
			 PWM  | 
			
			 TDFN-2x2-6L TSOT-23-6  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 200  | 
			
			 1  | 
			
			 One-Wire  | 
			
			 TDFN-2x2-8L  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 200  | 
			
			 1  | 
			
			 PWM  | 
			
			 TDFN-2x2-8L  | 
		|
| 
			 Common Anode  | 
			
			 1  | 
			
			 220  | 
			
			 1  | 
			
			 PWM  | 
			
			 TDFN-2x2-6L  | 
		|
◀ 上一篇:120mA四通道电流源自动模式电荷泵高性能白光LED驱动器低漏失电流源CXLE8179每30毫安可驱动多达4个LED通过单个LED亮度控制导线接口16步亮度控制高性能的白色LED驱动程序
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