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參數(shù)資料
| 型號： | R1170S211B-TR-FA |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 2.1 V FIXED POSITIVE LDO REGULATOR, 0.2 V DROPOUT, PDSO6 |
| 封裝： | HSOP-6 |
| 文件頁數(shù)： | 20/21頁 |
| 文件大?。?/td> | 376K |
| 代理商： | R1170S211B-TR-FA |
Rev. 1.13
- 8 -
I Technical Notes on External Components and Typical Application
Phase Compensation
In these ICs, phase compensation is made with the 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 their impedance is high, current flows, the noise pick-up or
unstable operation may result. 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=10F(Ceramic)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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