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參數(shù)資料
| 型號： | R1131N331D-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.35 V DROPOUT, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 10/19頁 |
| 文件大?。?/td> | 276K |
| 代理商： | R1131N331D-TR |
R1131x
18
R1131x33xD
VIN
=4.3V, CIN = Ceramic 1.0F
COUT
= Ceramic 1.0F
VIN
=4.3V, CIN = Ceramic 1.0F
COUT
= Ceramic 1.0F
-5
-4
-3
-2
1
4
-1
3
5
-1
0
1
2
5
8
3
7
0
2
4
6
9
-0.3 -0.2 -0.1
0.1
0.3
0.5
0.7
0
0.2
0.4
0.6
Time t (ms)
CE
Input
V
oltage
V
CE
(V)
Output
V
oltage
V
OUT
(V)
VCE=4.3V
→0V
IOUT=30mA
-5
-4
-3
-2
1
4
-1
3
5
-1
0
1
2
5
8
3
7
0
2
4
6
9
-0.3 -0.2 -0.1
0.1
0.3
0.5
0.7
0
0.2
0.4
0.6
Time t (ms)
CE
Input
V
oltage
V
CE
(V)
Output
V
oltage
V
OUT
(V)
VCE=4.3V
→0V
IOUT=300mA
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 COUT with good frequency characteristics and ESR (Equivalent Series
Resistance) of which is in the range described as follows:
The relations between IOUT (Output Current) and ESR of Output Capacitor are shown below. The conditions
when the white noise level is under 40
V(Avg.) are marked as the hatched area in the graph.
<Test conditions>
(1) Frequency band: 10Hz to 2MHz
(2) Temperature: 25
°C
R1131x08xx
R1131x10xx
VIN
=1.4V to 6.0V,
CIN
= Ceramic 1.0F COUT = Ceramic 1.0F
VIN
=1.4V to 6.0V,
CIN
= Ceramic 1.0F COUT = Ceramic 1.0F
0.01
0.1
1
10
100
0
50
100
150
200
250
300
Output Current lOUT (mA)
ESR
(
)
0.01
0.1
1
10
100
0
50
100
150
200
250
300
Output Current lOUT (mA)
ESR
(
)
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