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參數(shù)資料
| 型號(hào)： | AZ7045ZTR |
| 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)： | 9/13頁(yè) |
| 文件大?。?/td> | 172K |
| 代理商： | AZ7045ZTR |
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9
Mar. 2007 Rev. 1. 5
BCD Semiconductor Manufacturing Limited
VOLTAGE DETECTOR AZ70XX
Preliminary Datasheet
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
+
Operating Diagram (Continued)
Typical Applications
Figure 12 is a typical timing waveform for AZ70XX.
In normal steady-state operation when V
CC
>V
DET-
,
the
output will be in a logic high state and V
OUT
is
dependent upon the voltage that the pull-up resistor
connected to.
Here is some explanations for AZ70XX's operation.
1.
When the input voltage V
CC
falls below V
DET-
, the
output will pull down to logic low after a delay time of
tpHL. 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). The voltage level V
DET-
means the detect
voltage.
2.
The output, V
OUT
, will stay valid until V
CC
falls
below the minimum operating voltage, V
OPR
(0.8V
typical). Below minimum operating voltage, the out-
put is undefined.
3.
During power-up, V
OUT
will remain undefined until
V
CC
rises above V
OPR
, at which time the output will
become valid. V
OUT
will be in its active low state
while
V
OPR
<
V
CC
<
V
DET+
(V
DET+
=V
DET-
+V
HYS
).
V
DET+
is the release voltage. V
HYS
means the hystere-
sis voltage and is the difference voltage between the
V
DET+
and V
DET-
.
4.
When V
CC
rises above V
DET+
, the output will be in
its inactive state. After a delay time of tpLH, V
OUT
will be in its logic high state .
相關(guān)PDF資料 |
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|---|---|
| AZ7045ZTR-E1 | VOLTAGE DETECTOR |
| AZ70XX | VOLTAGE DETECTOR |
| AZ70XX_07 | VOLTAGE DETECTOR |
| AZ7500B | PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
| AZ7500BM | PULSE-WIDTH-MODULATION CONTROL CIRCUITS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AZ7045ZTR-E1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
| AZ7045ZTR-G1 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
| AZ70XX | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
| AZ70XX_07 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
| AZ70XX_11 | 制造商:BCDSEMI 制造商全稱:BCD Semiconductor Manufacturing Limited 功能描述:VOLTAGE DETECTOR |
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