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參數(shù)資料
| 型號： | RP102X |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | LOW NOISE 300mA LDO REGULATOR |
| 中文描述： | 低噪聲300mA的LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 6/32頁 |
| 文件大?。?/td> | 842K |
| 代理商： | RP102X |
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RP102x
TYPICAL APPLICATION
6
C1
RP102x
Series
V
DD
V
OUT
CE
GND
C2
TECHNICAL NOTES
When using these ICs, consider the following points:
Phase Compensation
In these ICs, phase compensation is made for securing stable operation even if the load current is varied. For
this purpose, use a capacitor C2 with good frequency characteristics and ESR (Equivalent Series Resistance).
(Note: If additional ceramic capacitors are connected with parallel to the output pin with an output capacitor for
phase compensation, the operation might be unstable. Because of this, test these ICs with as same external
components as ones to be used on the PCB.)
PCB Layout
Make V
DD
and GND lines sufficient. If their impedance is high, noise pickup or unstable operation may result.
Connect a capacitor C1 with a capacitance value as much as 1.0
μ
F or more between V
DD
and GND pin, and as
close as possible to the pins.
Set external components, especially the output capacitor C2, as close as possible to the ICs, and make wiring
as short as possible.
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