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參數(shù)資料
| 型號(hào)： | R3111Q251B |
| 廠(chǎng)商： | Ricoh Co., Ltd. |
| 英文描述： | LOW VOLTAGE DETECTOR |
| 中文描述： | 低電壓檢測(cè) |
| 文件頁(yè)數(shù)： | 8/44頁(yè) |
| 文件大?。?/td> | 1170K |
| 代理商： | R3111Q251B |
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R3111x
R3111x45xA/C
8
Topt
=
25
°
C
Symbol
V
DET
V
HYS
Item
Conditions
Min.
4.410
0.135
Typ.
4.500
0.225
1.1
1.3
0.55
0.65
0.05
2.00
3.0
Max.
4.590
0.315
3.3
3.9
10
0.70
0.80
Unit
V
V
Detector Threshold
Detector Threshold Hysteresis
V
DD
=
4.34V
V
DD
=
6.50V
Topt
=
25
°
C
40
°
C
<
Nch
V
DS
=
0.05V, V
DD
=
0.70V
V
DS
=
0.50V, V
DD
=
1.50V
Pch
V
DS
=
2.1V,V
DD
=
8.0V
I
SS
Supply Current
μ
A
V
DDH
Maximum Operating Voltage
V
V
DDL
Minimum Operating Voltage
Note1
=
Topt
<
=
85
°
C
V
0.01
1.00
mA
I
OUT
Output Current (Driver Output Pin)
1.5
mA
t
PLH
Output Delay Time
Note2
Detector Threshold Temperature
Coefficient
100
μ
s
V
DET
/
Topt
R3111x54xA/C
40
°
C
<
=
Topt
<
=
85
°
C
±
100
ppm/
°
C
Topt
=
25
°
C
Symbol
V
DET
V
HYS
Item
Conditions
Min.
5.292
0.162
Typ.
5.400
0.270
1.2
1.4
0.55
0.65
0.05
2.00
3.0
Max.
5.508
0.378
3.6
4.2
10
0.70
0.80
Unit
V
V
Detector Threshold
Detector Threshold Hysteresis
V
DD
=
5.20V
V
DD
=
7.40V
Topt
=
25
°
C
40
°
C
<
Nch
V
DS
=
0.05V, V
DD
=
0.70V
V
DS
=
0.50V, V
DD
=
1.50V
Pch
V
DS
=
2.1V, V
DD
=
8.0V
I
SS
Supply Current
μ
A
V
DDH
Maximum Operating Voltage
V
V
DDL
Minimum Operating Voltage
Note1
=
Topt
<
=
85
°
C
V
0.01
1.00
mA
I
OUT
Output Current
(Driver Output Pin)
1.5
mA
t
PLH
Output Delay Time
Note2
Detector Threshold Temperature
Coefficient
100
μ
s
V
DET
/
Topt
40
°
C
<
=
Topt
<
=
85
°
C
±
100
ppm/
°
C
Note1:
Minimum operating voltage means the value of input voltage when output voltage maintains 0.1V or less. (In
the case of Nch Open Drain Output type, the output pin is pulled up with a resistance of 470k
to 5.0V.)
Note2: In the case of CMOS Output type: The time interval between the rising edge of V
DD
input pulse from
0.7V
to (
+
V
DET
)
+
2.0V and output voltage level becoming to ((
+
V
DET
)
+
2.0V)/2.
In the case of Nch Open Drain Output type: The output pin is pulled up with a resistance of 470k
to
5.0V, the time interval between the rising edge of V
DD
input pulse from
0.7V to (
+
V
DET
)
+
2.0V and output
voltage level becoming to 2.5V.
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