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參數(shù)資料
| 型號： | R1171S231A |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | 2.0A/1.5A LDO REGULATOR |
| 中文描述： | 2.0A/1.5A LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 23/36頁 |
| 文件大?。?/td> | 746K |
| 代理商： | R1171S231A |
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R1172x
ESR vs. Output Current
23
When using these ICs, consider the following points:
V
IN
C
IN
V
OUT
CE
R1172xxx1B
C
OUT
Spectrum
Analyzer
I
OUT
ESR
V
IN
S.A
GND
0.8V to 3.3V Output type: C
OUT
=
4.7
μ
F (Kyocera CM105X5R475M06AB)
5.0V Output type : C
OUT
=
4.7
μ
F (Kyocera CT21X5R475K06AB)
As an output capacitor for this IC, Ceramic capacitor is recommendable. However, other low ESR type
capacitor can be used with this IC.
For your reference, noise level is tested, and if the noise level is 40
μ
V or less than 40
μ
V, the ESR values are
plotted as stable area. Upper limit is described in the next five graphs, or ESR vs. Output Current. (Hatched area
is the stable area.)
Measurement conditions
V
IN
=
V
OUT
+
1V
Frequency Band: 10Hz to 1MHz
Temperature
: 25
°
C
R1172x081x
V
IN
=1.4V to 6.0V,
C
IN
=C
OUT
=Ceramic
4.7
μ
F
R1172x081x
V
IN
=1.4V to 6.0V, C
IN
=Ceramic 4.7
μ
F,
C
OUT
=Ceramic 10
μ
F
0
200
400
600
800
1000
Load Current I
OUT
(mA)
Topt=85
°
C
Topt=-40
°
C
0.01
100
1.0
0.1
10
E
)
0
200
400
600
800
1000
Load Current I
OUT
(mA)
Topt=85
°
C
Topt=-40
°
C
0.01
100
1.0
0.1
10
E
)
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PDF描述 |
|---|---|
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1171S241A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2.0A/1.5A LDO REGULATOR |
| R1171S251A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2.0A/1.5A LDO REGULATOR |
| R1171S261A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2.0A/1.5A LDO REGULATOR |
| R1171S271A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2.0A/1.5A LDO REGULATOR |
| R1171S281A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2.0A/1.5A LDO REGULATOR |
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