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參數(shù)資料
| 型號： | R1161D331D |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | 3-MODE 300mA LDO REGULATOR |
| 中文描述： | 3模式300mA的LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 34/44頁 |
| 文件大?。?/td> | 431K |
| 代理商： | R1161D331D |
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R1161x
34
ESR vs. Output Current
When using these ICs, consider the following points:
In these ICs, phase compensation is made for securing stable operation even if the output current is varied.
For this purpose, be sure to use a capacitor C
OUT
with good frequency characteristics and ESR (Equivalent
Series Resistance) in the range described as follows:
The relations between I
OUT
(Output Current) and ESR of Output Capacitor are shown below.
The conditions when the white noise level is under 40
P
V (Avg.) are marked as the hatched area in the graph.
<Test conditions>
(1) Frequency band: 10Hz to 2MHz
(2) Temperature: 25
q
C
R1161x08xx (ECO=H)
R1161x08xx (ECO=L)
V
IN
=1.4V to 6.0V,
C
IN
= Ceramic 1.0
P
F C
OUT
= Ceramic 1.0
P
F
V
IN
=1.4V to 6.0V,
C
IN
= Ceramic 1.0
P
F C
OUT
= Ceramic 1.0
P
F
0.01
0.1
1
10
100
0
50
100
150
200
250
300
Output Current l
OUT
(mA)
E
)
0.01
0.1
1
10
100
0
50
100
150
200
250
300
Output Current l
OUT
(mA)
E
)
R1161x10xx (ECO=H)
R1161x10xx (ECO=L)
V
IN
=1.4V to 6.0V,
C
IN
= Ceramic 1.0
P
F C
OUT
= Ceramic 1.0
P
F
V
IN
=1.4V to 6.0V,
C
IN
= Ceramic 1.0
P
F C
OUT
= Ceramic 1.0
P
F
0.01
0.1
1
10
100
0
50
100
150
200
250
300
Output Current l
OUT
(mA)
E
)
0.01
0.1
1
10
100
0
50
100
150
200
250
300
Output Current l
OUT
(mA)
E
)
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