欢迎访问ic37.com |
会员登录 免费注册
发布采购

AAT2801IXN-4.5-T1 参数 Datasheet PDF下载

AAT2801IXN-4.5-T1图片预览
型号: AAT2801IXN-4.5-T1
PDF下载: 下载PDF文件 查看货源
内容描述: 多模电荷泵白光LED背光和闪光应用 [Multi-Mode Charge Pump for White LED Backlight and Flash Applications]
分类和应用:
文件页数/大小: 20 页 / 747 K
品牌: ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
 浏览型号AAT2801IXN-4.5-T1的Datasheet PDF文件第12页浏览型号AAT2801IXN-4.5-T1的Datasheet PDF文件第13页浏览型号AAT2801IXN-4.5-T1的Datasheet PDF文件第14页浏览型号AAT2801IXN-4.5-T1的Datasheet PDF文件第15页浏览型号AAT2801IXN-4.5-T1的Datasheet PDF文件第16页浏览型号AAT2801IXN-4.5-T1的Datasheet PDF文件第17页浏览型号AAT2801IXN-4.5-T1的Datasheet PDF文件第18页浏览型号AAT2801IXN-4.5-T1的Datasheet PDF文件第20页  
AAT2801  
Multi-Mode Charge Pump for  
White LED Backlight and Flash Applications  
C3  
1μF  
C3+  
C3-  
4.5V  
V
IN  
OUT_FLSH  
IN  
CIN  
COUT  
1μF  
1μF  
Flash LED  
AAT2801  
Flash Enable  
EN_FLSH  
RL  
RB  
Flash Enable  
Figure 2: Flash LED Driver with Gated Flash Application.  
(VOUT - VF)  
RB =  
- RDS  
IF  
Where:  
RB  
=
Flash ballast resistor value in ohms (Ω)  
RDS  
VOUT  
=
=
Flash gating mosfet on resistance  
Regulated charge pump output voltage  
(typically 4.5V)  
VF  
IF  
=
=
Flash LED forward voltage at the  
desired forward current  
Desired flash LED forward current  
2801.2006.04.1.3  
19  
 复制成功!