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參數(shù)資料
| 型號(hào)： | AZ7023ZTR |
| 廠商： | BCD Semiconductor Manufacturing Limited |
| 英文描述： | VOLTAGE DETECTOR |
| 中文描述： | 電壓檢測(cè)器 |
| 文件頁(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 152K |
| 代理商： | AZ7023ZTR |
AZ70XX
Operating Diagram (Continued)
Preliminary Datasheet
9
Jul. 2005 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
VOLTAGE DETECTOR AZ70XX
Figure 13. Low Voltage Indicator
Figure 14. CPU Resetting Circuit
1
3
2
V
CC
AZ70XX
OUT
GND
LED
V
CC
R1
220
V
CC
+5V
R1
3.3k
1
3
2
V
CC
AZ70XX
OUT
GND
CPU
V
CC
GND
RESET
C1
1
μ
F
+
Figure 12 is a typical timing waveform for AZ70XX
during power-up and temporary power-down period.
Here is some explanations for AZ70XX's operation.
1.
During power-up period, V
OUT
will remain
undefined until V
CC
rises above V
OPR
(typically
0.8V). After that moment, the output will become
valid and will be at its logic low state while
V
OPR
<V
CC
<V
S
for power-up operating.
2.
After a delay time of tpLH from the moment
V
CC
>V
S
, the V
OUT
will be at its logic high state. In
general, V
OUT
is dependent upon the voltage that the
pull up resistor connected to.
3.
During power-down, after a delay time of tpHL
from the moment V
CC
<V
S
-V
HYS
, V
OUT
will be at its
logic low state. In general, at rated output current and
V
CC,
V
OUT
can be pulled down to a voltage as low as
within 0.4V from GND. (See the Electrical
Characteristics section).
4.
V
OUT
will be at its logic low state while V
S
-
V
HYS
>V
CC
>V
OPR
for power-down operating.
5.
After V
CC
falls below V
OPR
, the output is
undefined.
Typical Applications
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| AZ7023ZTR-E1 | VOLTAGE DETECTOR |
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| AZ7025R-E1 | VOLTAGE DETECTOR |
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AZ7023ZTR-E1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
| AZ7023ZTR-G1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
| AZ7025R | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
| AZ7025R-E1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
| AZ7025RTR | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
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