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參數(shù)資料
| 型號(hào)： | R3112D271A |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 電源管理 |
| 英文描述： | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | 1.60 X 1.20 MM, SON-6 |
| 文件頁(yè)數(shù)： | 21/30頁(yè) |
| 文件大?。?/td> | 913K |
| 代理商： | R3112D271A |
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R3112x
TECHNICAL NOTES
21
V
DD
R
V
DD
GND
OUT
R3112x
V
DD
R1
R2
V
DD
GND
OUT
R3112x
V
DD
R1
R2
V
DD
GND
OUT
R3112x
Figure A
Figure B
Figure C
When R3112xxx1A (Nch open drain output type) is used in Figure A or Figure B, if impedance of voltage
supply pIn, V
DD
and V
DD
of this IC is large, detector threshold level would shift by voltage dropdown caused by
the consumption current of the IC itself. Released voltage may also shift and delay time for start-up might be
generated by this usage.
When R3112xxx1C (CMOS output type) is used in Figure A or Figure B, Output level could be unstable by
cross conduction current which is generated at detector threshold level or at released voltage level, therefore, do
not use R3112xxx1C with the connection in Figure A or Figure B.
The connection in Figure C may cause the oscillation in both R3112xxx1C (CMOS Output) and R3112xxx1A
(Nch Open Drain Output), therefore do not use R3112xxx1x Series with the connection in Figure C.
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