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ADP122AUJZ-2.8-R7 PDF预览

ADP122AUJZ-2.8-R7

更新时间： 2024-02-12 22:58:18
品牌 Logo 应用领域
亚德诺 - ADI 稳压器
页数 文件大小 规格书
20页 617K
描述
5.5 V Input, 300 mA, Low Quiescent Current, CMOS Linear Regulator

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中文翻译

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ADP122AUJZ-2.8-R7 数据手册

 浏览型号ADP122AUJZ-2.8-R7的Datasheet PDF文件第6页浏览型号ADP122AUJZ-2.8-R7的Datasheet PDF文件第7页浏览型号ADP122AUJZ-2.8-R7的Datasheet PDF文件第8页浏览型号ADP122AUJZ-2.8-R7的Datasheet PDF文件第10页浏览型号ADP122AUJZ-2.8-R7的Datasheet PDF文件第11页浏览型号ADP122AUJZ-2.8-R7的Datasheet PDF文件第12页 
ADP122/ADP123  
–10  
–20  
–30  
–40  
–50  
–60  
–70  
–80  
–90  
–100  
5
4
3
2
1
0
I
I
I
I
I
I
= 100µA  
= 1mA  
= 10mA  
= 100mA  
= 200mA  
= 300mA  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
V
= 4.2V  
OUT  
V
= 3.3V  
OUT  
V
= 2.8V  
OUT  
V
V
C
= V  
+ 0.5V  
= 50mV  
IN  
RIPPLE  
= C  
OUT  
1µF  
IN  
OUT  
10  
100  
1k  
FREQUENCY (Hz)  
10k  
100k  
10  
100  
1k  
10k  
100k  
1M  
10M  
FREQUENCY (Hz)  
Figure 17. Power Supply Rejection Ratio vs. Frequency, VOUT = 4.2 V, VIN = 4.7 V  
Figure 20. Output Noise Spectrum  
70  
65  
60  
55  
50  
45  
40  
35  
30  
–10  
–20  
V
V
= 4.2V  
= 3.3V  
OUT  
OUT  
V
V
V
V
V
V
= 2.8V, I  
= 3.3V, I  
= 4.2V, I  
= 2.8V, I  
= 3.3V, I  
= 4.2V, I  
= 1mA  
= 1mA  
= 1mA  
= 300mA  
= 300mA  
= 300mA  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
–30  
–40  
–50  
–60  
–70  
–80  
–90  
–100  
V
= 2.8V  
OUT  
V
V
C
= V  
+ 0.5V  
1µF  
IN  
OUT  
= 50mV  
RIPPLE  
= C  
IN  
OUT  
0.001  
0.01  
0.1  
1
(mA)  
10  
100  
1000  
10  
100  
1k  
10k  
100k  
1M  
10M  
I
FREQUENCY (Hz)  
OUT  
Figure 18. Power Supply Rejection Ratio vs. Frequency, Various Output  
Voltages and Load Currents  
Figure 21 Output Noise vs. Load Current and Output Voltage  
–10  
V
V
V
V
V
V
V
V
= 3.1V, I  
= 3.3V, I  
= 3.8V, I  
= 4.8V, I  
= 3.1V, I  
= 3.3V, I  
= 3.8V, I  
= 4.8V, I  
= 1mA  
= 1mA  
= 1mA  
= 1mA  
= 300mA  
= 300mA  
= 300mA  
= 300mA  
IN  
IN  
IN  
IN  
IN  
IN  
IN  
IN  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
OUT  
I
OUT  
–20  
–30  
–40  
–50  
–60  
–70  
–80  
–90  
–100  
1mA TO 300mA LOAD STEP  
1
V
OUT  
2
V
= 50mV  
1µF  
RIPPLE  
= C  
C
IN  
OUT  
V
V
= 3.7V  
= 3.3V  
IN  
OUT  
B
B
W
CH1 200mA Ω W CH2 50.0mV  
M 40.0µs A CH1  
196mA  
10  
100  
1k  
10k  
100k  
1M  
10M  
T
10.20%  
FREQUENCY (Hz)  
Figure 22. Load Transient Response, COUT = 1 μF  
Figure 19. Power Supply Rejection Ratio vs. Headroom Voltage (VIN − VOUT  
)
Rev. 0 | Page 9 of 20  
1...6789101112...20

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