參數(shù)資料
型號(hào): R1161D271B
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: R1161D271B
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
)