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參數(shù)資料
| 型號(hào)： | R1170U28A-T2 |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 固定正電壓?jiǎn)温份敵鯨DO穩(wěn)壓器 |
| 英文描述： | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO5 |
| 封裝： | SC-84, 5 PIN |
| 文件頁(yè)數(shù)： | 14/16頁(yè) |
| 文件大小： | 203K |
| 代理商： | R1170U28A-T2 |
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Rev. 1.11
-7-
s Technical Notes on External Components and Typical Application
Phase Compensation
In these ICs, phase compensation is made with Output capacitor for securing stable operation even
if the load current is varied. For this purpose, use as much as 10
F Capacitor as CL.
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. Further, refer to the
Typical Characteristics No.12.
Mounting on PCB
Make VDD and GND lines sufficient. If the impedance of these is high, current flows, the noise might
be picked up or be a cause of unstable operation. Further use as much as 10
F Capacitor between
VDD pin and GND pin as close as possible.
Set an Output capcitor between VOUT pin and GND pin for phase compensation as close as possible.
(Refer to the example of typical application)
Example of the typical application of R1170XxxxB
IN
OUT
VDD
CE
GND
VOUT
CI
CL
R1170Xxx1B
CI=10
F Ceramic
CL=10
F Ceramic
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| R1170U28B-T2 | 2.8 V FIXED POSITIVE LDO REGULATOR, 0.18 V DROPOUT, PDSO5 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R1170UXXXX | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Power Management ICs |
| R1170X | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:800mA LDO REGULATOR |
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| R117186807 | 功能描述:RF 連接器 SMBL(F) R/A PL RoHS:否 制造商:Bomar Interconnect 產(chǎn)品:Connectors 射頻系列:BNC 型式:Jack (Female) 極性: 觸點(diǎn)電鍍:Gold 阻抗: 端接類型:Solder 主體類型:Straight Bulkhead 電纜類型: |
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