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參數(shù)資料
| 型號： | RP131S281D-E2-FE |
| 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： | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.75 V DROPOUT, PDSO6 |
| 封裝： | HALOGEN FREE AND ROHS COMPLIANT, HSOP-6 |
| 文件頁數(shù)： | 11/20頁 |
| 文件大?。?/td> | 357K |
| 代理商： | RP131S281D-E2-FE |
RP131x
19
ESR vs. Output Current
When using these ICs, consider the following points:
The relations between IOUT (Output Current) and ESR of an output capacitor are shown below.
The conditions when the white noise level is under 40
μV (Avg.) are marked as the hatched area in the graph.
Measurement conditions
Frequency Band : 10Hz to 3MHz
Temperature
:
40°C to 85°C
C1
: 2.2
μF (Kyocera, CM05X5R225M04AD)
C2
: 2.2
μF (Kyocera, CM105X5R225K06AE)
4.7
μF (Kyocera, CM105X5R475M06AB)
RP131x081x
RP131x151x
0 100
800
600
200
400
900
700
300
500
1000
Output Current IOUT (mA)
ESR
(
Ω
)
VIN=1.6V to 6.0V
C1=Ceramic 2.2
μF, C2=Ceramic 2.2μF
0.01
100
10
1
0.1
Topt=-40
°C
Topt=85
°C
0 100
800
600
200
400
900
700
300
500
1000
Output Current IOUT (mA)
ESR
(
Ω
)
VIN=1.6V to 6.0V
C1=Ceramic 2.2
μF, C2=Ceramic 2.2μF
0.01
100
10
1
0.1
Topt=-40
°C
Topt=85
°C
RP131x331x
RP131x501x
0 100
800
600
200
400
900
700
300
500
1000
Output Current IOUT (mA)
ESR
(
Ω
)
VIN=3.3V to 6.0V
C1=Ceramic 2.2
μF, C2=Ceramic 2.2μF
0.01
100
10
1
0.1
Topt=-40
°C
Topt=85
°C
0 100
800
600
200
400
900
700
300
500
1000
Output Current IOUT (mA)
ESR
(
Ω
)
VIN=5.0V to 6.0V
C1=Ceramic 2.2
μF, C2=Ceramic 4.7μF
0.01
100
10
1
0.1
Topt=-40
°C
Topt=85
°C
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