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參數(shù)資料
| 型號： | R1110N501B-TR |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | CAP 0.47UF 50V 10% X7R DIP-2 TUBE-PAK R-MIL-PRF-39014/22 LONGLEAD |
| 中文描述： | FIXED POSITIVE LDO REGULATOR, PDSO5 |
| 封裝： | MINI, PLASTIC, SOT-23, 5 PIN |
| 文件頁數(shù)： | 20/23頁 |
| 文件大?。?/td> | 177K |
| 代理商： | R1110N501B-TR |
17
R1110N
APPLICATION HINTS
When using these ICs, be sure to take care of 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
μ
V (Avg.) are marked as the hatched area in the graph.
(note : When the additional ceramic capacitors are connected to the Output Pin with Output capacitor for
phase compensation, there are possibilities that the operation will be unstable. Because of this, test these
ICs with as same external components as ones to be used on the PCB.)
< measuring conditions >
V
IN
=4V
Freqency band : 10Hz to 1MHz
Temperature : 25C
Make V
DD
and GND line sufficient. When the impedance of these is high, there is a case to pick up the noise or
not to work correctly.
Connect the capacitor with a capacitance of 1
μ
F or more between V
DD
and GND as close as possible.
Set external components, especially Output Capacitor, as close as possible to the ICs and make wiring
shortest.
Ceramic Capacitor 4.7
μ
F
100
10
1
0.1
Output Current I
OUT
(mA)
E
)
0
50
80
150
Ceramic Capacitor 6.8
μ
F
100
10
1
0.1
Output Current I
OUT
(mA)
E
)
0
50
80
150
Ceramic Capacitor 10
μ
F
100
10
1
0.1
Output Current I
OUT
(mA)
E
)
0
50
80
150
3
5
2
1
CE
Ceramic
Capacitor
Spectrum
Analyzer
V
OUT
I
OUT
R1110N301B
ESR
V
IN
S.A.
Ceramic
Capacitor1
μ
F
GND
V
IN
Measuring Circuit for white noise ; R1110N301B
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R1110NXXXX | Power Management ICs |
| R1110N301A | CAP 0.22UF 50V 10% X7R DIP-2 TUBE-PAK R-MIL-PRF-39014/22 |
| R1110N301A-TL | CAP 0.18UF 50V 10% X7R DIP-2 TUBE-PAK R-MIL-PRF-39014/22 |
| R1110N301A-TR | CAP 0.47UF 50V 20% X7R DIP-2 TUBE-PAK R-MIL-PRF-39014/22 |
| R1110N301B | CAP 1000PF 200V 1% NP0(C0G) DIP-2 TUBE-PAK R-MIL-PRF-39014/22 |
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| R1110N521A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
| R1110N521B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Positive Fixed Voltage Regulator |
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