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参数资料
| 型号： | RP200N101DTR-FE |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 固定正电压单路输出LDO稳压器 |
| 英文描述： | 1 V FIXED POSITIVE LDO REGULATOR, 0.7 V DROPOUT, PDSO5 |
| 封装： | HALOGEN FREE AND ROHS COMPLIANT, SOT-23, 5 PIN |
| 文件页数： | 24/25页 |
| 文件大小： | 408K |
| 代理商： | RP200N101DTR-FE |
RP200x
8
TYPICAL APPLICATION
C1
RP200x
Series
VDD
VOUT
CE
GND
VOUT
AE
C2
(External Components)
C1, C2 : Ceramic Capacitor 1.0
μF
MURATA: GRM155B31A105KE15
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 1.0
μF or more and good 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 VDD 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
μF or more between VDD 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.
Impedance of Input Pin (CE Pin and AE Pin)
In those ICs, there is a pull-down constant current in the CE Pin and the AE Pin.
However, if those pins are floating and wired long that produce the noise environment, it might miss-operation of
ICs. For this purpose, please make sure enough evaluation of ICs.
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