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AAT2783 参数 Datasheet PDF下载

AAT2783图片预览
型号: AAT2783
PDF下载: 下载PDF文件 查看货源
内容描述: 三路输出PMIC :双通道降压,具有低VIN LDO [Triple Output PMIC: Dual Buck with Low-VIN LDO]
分类和应用: 集成电源管理电路
文件页数/大小: 22 页 / 1997 K
品牌: ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
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PRODUCT DATASHEET  
AAT2783  
SystemPowerTM  
Triple Output PMIC: Dual Buck with Low-VIN LDO  
Typical Characteristics—Buck Converter 2  
Step-Down Converter 2 Output Ripple  
Step-Down Converter 2 Output Ripple  
(VIN = 3.3V; VOUT2 = 1.7V; IOUT2 = 400mA)  
(VIN = 3.3V; VOUT2 = 1.7V; IOUT2 = 1mA)  
1.71  
1.70  
1.69  
1.71  
1.70  
1.69  
0.6  
0.4  
0.2  
0.0  
0.2  
Time (500ns/div)  
Time (10µs/div)  
Step-Down Converter 2 Line Transient Response  
Step-Down Converter 2 Load Transient Response  
(IOUT2 = 0.3A to 0.4A; VIN = 3.3V; VOUT2 = 1.7V;  
COUT2 = 4.7µF; CFF = 100pF)  
(VIN = 3V to 4V; VOUT2 = 1.7V; IOUT2 = 0.4A; COUT2 = 10µF)  
5
0.4A  
4
3
0.3A  
2
1.75  
1.9  
1.8  
1.7  
1.6  
1.70  
1.65  
0.6  
0.4  
0.2  
0.0  
Time (100µs/div)  
Time (100µs/div)  
Step-Down Converter 2 Soft Start  
(VIN = 3.3V; VOUT2 = 1.7V; IOUT2 = 500mA; CFF = 100pF)  
4
3
2
1
0
1.0  
0.5  
0.0  
Time (50µs/div)  
w w w . a n a l o g i c t e c h . c o m  
10  
2783.2008.03.1.0