参数资料
型号: AS1322 EB
厂商: ams
文件页数: 5/18页
文件大小: 0K
描述: BOARD EVAL AS1322
设计资源: Design Support Tool
标准包装: 1
主要目的: DC/DC,步升
输出及类型: 1,非隔离
输出电压: 2.5 ~ 5 V
电流 - 输出: 150mA 或 500mA
输入电压: 1 ~ 5 V
稳压器拓扑结构: 升压
频率 - 开关: 1.2MHz
板类型: 完全填充
已供物品:
已用 IC / 零件: AS1322
AS1322
Datasheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
7 Typical Operating Characteristics
Figure 3. Powersave mode threshold vs. V IN ,
V OUT = 3.0V
30
Figure 4. Efficiency vs. Output Current,
V OUT = 3.3V
100
25
20
15
10
5
0
90
80
70
60
50
40
30
V IN = 2.4V
V IN = 1.5V
V IN = 1.0V
0.5 0.75
1
1.25 1.5 1.75
2
2.25 2.5
1
10
100
1000
Battery Voltage (V)
Figure 5. Output Voltage vs. Temperature;
V OUT = 3.3V, I OUT = 10mA
3.36
3.34
3.32
Output Current (mA)
Figure 6. Output Voltage vs. Battery Voltage;
V OUT = 3.3V, I OUT = 10mA
3.5
3
2.5
2
3.3
1.5
3.28
3.26
3.24
1
0.5
0
-50
-25
0
25
50
75
100
0
0.5
1
1.5
2
2.5
3
3.5
Temperature (°C)
Figure 7. Startup Voltage vs. Output Current;
1.6
1.5
1.4
1.3
1.2
1.1
1
Battery Voltage (V)
Figure 8. Output Current vs. Battery Voltage;
V OUT = 3.3V, 3% Tolerance
1000
900
800
700
600
500
400
0.9
0.8
0.7
0.6
5V
3.3V
300
200
100
0
0.1
1
10
100
0.5
1
1.5
2
2.5
3
Output Current (mA)
Battery Voltage (V)
www.ams.com/DC-DC_Step-Up/AS1322
Revision 1.10
5 - 18
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