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AAT2601IIH-T1 参数 Datasheet PDF下载

AAT2601IIH-T1图片预览
型号: AAT2601IIH-T1
PDF下载: 下载PDF文件 查看货源
内容描述: 用于便携式应用的总电源解决方案 [Total Power Solution for Portable Applications]
分类和应用: 便携式
文件页数/大小: 38 页 / 1293 K
品牌: ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
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PRODUCT DATASHEET  
AAT2601178  
Total Power Solution for Portable Applications  
Typical Characteristics—Step-Down Buck Converter  
Step-Down Buck Efficiency vs. Output Current  
(VOUT = 1.8V; L = 3.3µH)  
Step-Down Buck Load Regulation  
vs. Output Current  
(VOUT = 1.8V; L = 3.3µH)  
100  
VBAT = 2.7V  
0.5  
0.4  
90  
VBAT = 3.6V  
VCHGIN = 5.5V  
VCHGIN = 4.5V  
VBAT = 4.2V  
80  
70  
60  
50  
40  
30  
20  
10  
0
0.3  
VCHGIN = 6.0V  
0.2  
VBAT = 4.2V  
0.1  
0.0  
VCHGIN = 4.5V  
-0.1  
-0.2  
-0.3  
-0.4  
-0.5  
VBAT = 2.7V  
VCHGIN = 5.5V  
VCHGIN = 6.0V  
VCHGIN = 5.0V  
VBAT = 3.6V  
VCHGIN = 5.0V  
1
10  
100  
1000  
1
10  
100  
1000  
Output Current (mA)  
Output Current (mA)  
Step-Down Buck Line Regulation  
vs. CHGIN and Battery Input Voltage  
(VOUT = 1.8V; L = 3.3µH)  
Step-Down Buck Output Voltage vs. Temperature  
(IOUT = 10mA)  
1.825  
VCHGIN = 5.0V  
1.820  
0.5  
0.4  
0.3  
0.2  
0.1  
0
1.815  
IOUT = 300mA  
IOUT = 0.01mA  
1.810  
VBAT = 3.6V  
IOUT = 200mA  
VCHGIN = 5.5V  
1.805  
VBAT = 2.7V  
1.800  
VCHGIN = 6.0V  
VCHGIN = 4.5V  
IOUT = 10mA  
-0.1  
-0.2  
-0.3  
-0.4  
-0.5  
1.795  
IOUT = 1mA  
IOUT = 50mA  
IOUT = 100mA  
VCHGIN  
1.790  
1.785  
VBAT = 4.2V  
VBAT  
1.780  
4.2  
2.5  
3
3.5  
4
4.5  
5
5.5  
6
-50  
-25  
0
25  
50  
75  
100  
Input VBAT, VCHGIN (V)  
Temperature (°C)  
VBAT Line Transient Response Step-Down Buck  
(VBAT = 3.5V to 4.2V; IOUT = 300mA; VOUT = 1.8V; COUT = 4.7µF)  
VCHGIN Line Transient Response Step-Down Buck  
(VCHGIN = 4.5V to 5.5V; IOUT = 300mA; VOUT = 1.8V; COUT = 4.7µF)  
1.92  
1.88  
1.86  
1.84  
1.84  
1.82  
VO  
VO  
1.80  
1.76  
4.5  
1.80  
1.78  
1.76  
6.0  
5.5  
5.0  
4.5  
4.0  
4.0  
V
VBAT  
CHGIN  
3.5  
3.0  
Time (100µs/div)  
Time (100µs/div)  
w w w . a n a l o g i c t e c h . c o m  
12  
2601.2008.01.1.0