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參數(shù)資料
| 型號(hào)： | TC54VN3901EMBSTP |
| 廠(chǎng)商： | TelCom Semiconductor, Inc. |
| 英文描述： | VOLTAGE DETECTOR |
| 中文描述： | 電壓檢測(cè)器 |
| 文件頁(yè)數(shù)： | 3/3頁(yè) |
| 文件大?。?/td> | 50K |
| 代理商： | TC54VN3901EMBSTP |
4-281
TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
TC54
VOLTAGE DETECTOR
TIMING CHART
MARKING
8
12
4
7
11
3
6
10
2
5
9
1
VIN
DETECT VOLTAGE V–
MINIMUM OPERATING
VOLTAGE
VHYST
V+
OUTPUT VOLTAGE
RELEASE
VOLTAGE
RESET
VOLTAGE
OR
GROUND LEVEL
GROUND LEVEL
a
= output (Nch or CMOS) plus first voltage digit
2 3 4 5 6
Nch
M N P R S
CMOS
C D E F H
ex: CMOS 3.x =
uuuu
b
= first voltage decimal (0-9)
ex: CMOS 3.4 =
uuuu
c
&
d
= assembly lot number
D
D
4
a
,
b
&
c
= 54_ (fixed)
d
= output (C = CMOS, N = Nch)
e
= first voltage digit (2-6)
f
= first voltage decimal (0-9)
g
= extra feature code : fixed : 0
h
= detecting accuracy
1 =
±
1.0% (custom), 2 =
±
2.0% (standard)
i
,
j
,
k
&
l
= assembly lot number
SOT-89-3
SOT-23A-3
TO-92
DESCRIPTION OF OPERATION
Refer to the Timing Chart below. In normal steady-state
operation, when V
IN
> V
–
In the case of the TC54V, this is an open-drain condition. If
and when the input falls below V
–
(Logic 0) to V
SS
. Generally, V
OUT
can pull down to within
0.5V of V
SS
at rated output current and input voltage. (See
the Electrical Characteristics section).
The output, V
OUT
, will stay valid until the input voltage
falls below the Minimum Operating Voltage, V
IN
(MIN), of
1.5V. Below this minimum operating voltage, the output is
undefined. During power-up or anytime V
IN
has fallen below
V
IN
(MIN), V
OUT
will remain undefined until V
IN
rises above
V
IN
(MIN), at which time the output will become valid. V
OUT
will be in its active low state while V
IN
(MIN) < V
IN
< V
+
(V
+
V
+
TC54VC, open-drain for TC54VN).
DET
, the output will be at a logic high.
DET
, the output will pull down
DET
.
DET
= V
–
DET
, the output will assume its inactive state. (High for
DET
+ V
HYST
). If and when the input rises above
APPLICATIONS
Refer to TelCom Semiconductor Application Note #2,
Using the TC54 Voltage Detector
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