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參數資料
| 型號： | R114OQ281BTR |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數： | 15/15頁 |
| 文件大小： | 404K |
| 代理商： | R114OQ281BTR |
Rev. 1.10
- 15 -
n
TECHNICAL NOTES
When using these ICs, consider the following points:
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For this purpose, be
sure to use a capacitor C
OUT
with good frequency characteristics and ESR (Equivalent Series Resistance) of which is 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
m
V(Avg.) are marked as the hatched area in the graph.
<Test conditions>
(1) V
IN
=3.8V
(2) Frequency band: 10Hz to 2MHz
(3) Temperature: 25
°
C
R1140Q281X V
IN
=3.8V C
IN
=Ceramic 1
m
F,
C
OUT
=Ceramic 2.2
m
F
R1140Q281X V
IN
=3.8V C
IN
=Ceramic 1
m
F,
C
OUT
=Ceramic 2.2
m
F
0.01
0.1
1
10
100
0
20
40
Load Current I
OUT1
(mA)
60
80
100
120
E
0.01
0.1
1
10
100
0
20
40
60
80
100
120
Load Current I
OUT1
(mA)
E
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