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參數(shù)資料
| 型號： | R1162N251D |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | 3-MODE 150mA LDO REGULATOR |
| 中文描述： | 3模式150mA的LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 24/31頁 |
| 文件大?。?/td> | 688K |
| 代理商： | R1162N251D |
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R1162x
TECHNICAL NOTES
24
C
1
C
2
V
DD
OUT
CE
CE
GND
R1162x
SERIES
ECO
IN
OUT
(External Components)
C
2
Ceramic 0.47
μ
F Ex. Murata GRM40B474K
C
1
Ceramic 1.0
μ
F
When using these ICs, consider the following points:
Kyocera CM105B474K
1.Mounting on PCB
Make V
DD
and GND lines sufficient. If their impedance is high, noise pickup or unstable operation may result.
Connect a capacitor with as much as 1.0
μ
F capacitor between V
DD
and GND pin as close as possible.
Set external components, especially the output capacitor as close as possible to the ICs and make wiring as
short as possible.
2.Phase Compensation
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 0.47
μ
F or more capacitor C
OUT
with good frequency characteristics and ESR
(Equivalent Series Resistance).
If you use a tantalum type capacitor and ESR value of the capacitor is large, output might be unstable.
Evaluate your circuit with considering frequency characteristics.
Depending on the capacitor size, manufacturer, and part number, the bias characteristics and temperature
characteristics are different. Evaluate the circuit with actual using capacitors.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| R1162N261B | 3-MODE 150mA LDO REGULATOR |
| R1162N261D | 3-MODE 150mA LDO REGULATOR |
| R1162N271B | 3-MODE 150mA LDO REGULATOR |
| R1162N271D | 3-MODE 150mA LDO REGULATOR |
| R1162N281B | 3-MODE 150mA LDO REGULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1162N261B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-MODE 150mA LDO REGULATOR |
| R1162N261D | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-MODE 150mA LDO REGULATOR |
| R1162N271B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-MODE 150mA LDO REGULATOR |
| R1162N271D | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-MODE 150mA LDO REGULATOR |
| R1162N281B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-MODE 150mA LDO REGULATOR |
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