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ADP1147AN-3.3 PDF预览

ADP1147AN-3.3

更新时间: 2024-01-08 04:44:34
品牌 Logo 应用领域
亚德诺 - ADI 开关控制器
页数 文件大小 规格书
12页 199K
描述
Current-Mode SMPS Controller

ADP1147AN-3.3 数据手册

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–Performance Characteristics  
ADP1147-3.3/ADP1147-5  
1000  
800  
1000  
200  
L = 50H  
V
= V  
= +5V  
SENSE  
OUT  
R
= 0.02⍀  
SENSE  
800  
600  
L = 25H  
= 0.02⍀  
150  
100  
R
SENSE  
600  
400  
200  
0
V
= +12V  
IN  
400  
200  
0
L = 50H  
= 0.05⍀  
R
50  
0
V
= +10V  
SENSE  
IN  
V
= +7V  
IN  
0
100  
200  
300  
0
1
2
3
4
5
0
1
2
3
4
5
(V – V  
) VOLTAGE – Volts  
FREQUENCY – kHz  
MAXIMUM OUTPUT CURRENT – Amps  
IN  
OUT  
Figure 3. Selecting RSENSE vs.  
Maxim um Output Current  
Figure 4. Operating Frequency vs.  
Tim ing Capacitor  
Figure 5. Selecting Minim um Output  
Capacitor vs. (VIN – VOUT) and Inductor  
5.11  
100  
100  
95  
FIGURE 1 CIRCUIT  
FIGURE 1 CIRCUIT  
5.10  
2
I R  
GATE CHARGE  
95  
1 AMP  
5.09  
ADP1147 I  
Q
100mA  
5.08  
90  
0.1 AMP  
85  
5.07  
90  
SCHOTTKY  
DIODE  
300mA  
5.06  
80  
75  
70  
5.05  
85  
80  
5.04  
1 AMP  
5.03  
4
8
12  
16  
5
8
11  
14  
17  
20  
10m  
30m  
0.1  
0.3  
– Amps  
1
3
INPUT VOLTAGE – V  
INPUT VOLTAGE – Volts  
I
OUT  
Figure 6. Typical Efficiency Losses  
Figure 7. Efficiency vs. Input Voltage  
Figure 8. ADP1147-5 Output Voltage  
vs. Input Voltage  
5.11  
1.6  
1.4  
40  
35  
FIGURE 1 CIRCUIT  
5.10  
V
= +2V  
SHUTDOWN  
ACTIVE MODE  
1.2  
5.09  
5.08  
30  
25  
20  
15  
10  
5
1.0  
0.8  
0.6  
0.4  
V
= 6 VOLTS  
IN  
5.07  
5.06  
5.05  
5.04  
V
= 12 VOLTS  
IN  
SLEEP MODE  
0.2  
5.03  
5.02  
0
0
0
400  
800  
1200  
1600  
2000  
4
6
8
10  
12  
14  
16 18 20  
4
6
8
10 12 14  
16 18  
20  
LOAD CURRENT – mA  
INPUT VOLTAGE – Volts  
INPUT VOLTAGE – Volts  
Figure 9. Load Regulation  
Figure 10. DC Supply Current  
Figure 11. Supply Current in  
Shutdown  
–4–  
REV. 0  

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