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BD4743 Datasheet(PDF) 3 Page - Rohm

Part # BD4743
Description  Bipolar Voltage Detector IC
Download  8 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BD4743 Datasheet(HTML) 3 Page - Rohm

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Technical Note
3/7
BD47□□G series
www.rohm.com
2010.01 - Rev.B
© 2010 ROHM Co., Ltd. All rights reserved.
Reference Data (Unless specified otherwise, Ta=25°C)
Fig.2 Circuit Current
0
1
2
3
4
5
6
7
8
9
10
012 34567 89 10
VCC SUPPLY VOLTAGE :VCC[V]
【BD4729G】
Icc1=1.34μA
Icc2=1.46μA
0
100
200
300
400
500
600
700
800
0
5
10
15
20
25
30
OUTPUT VOLTAGE : VOUT[mV]
【BD4729G】
IOL=12.194mA at Vo=400mV
Fig.3 “Low” Output Current
Fig.4 I/O Characteristics
0
1
2
3
4
5
6
01
23
45
6
VCC SUPPLY VOLTAGE :VcC[V]
【BD4729G】
VS=2.95V
dVS=50mV
VS=2.90V
0
100
200
300
400
500
600
700
800
900
1000
00.511.522.5
VCC SUPPLY VOLTAGE : VCC[V]
【BD4729G】
VOPL=0.675V
Fig.5 Operating Limit Voltage
Fig.7 Circuit Current when ON
0.0
0.5
1.0
1.5
2.0
2.5
-20 -100 1020304050 607080
TEMPERATURE : Ta[℃]
【BD4729G】
Fig.8 Circuit Current when OFF
0.0
0.5
1.0
1.5
2.0
2.5
-20 -100 1020304050 607080
TEMPERATURE : Ta[℃]
【BD4729G】
Fig.9 Operating Limit Voltage
0.4
0.5
0.6
0.7
0.8
0.9
-20 -100 1020304050 607080
TEMPERATURE : Ta[℃]
【BD4729G】
0
100
200
300
400
500
012345
"LOW" OUTPUT CURRENT : IOL[mA]
【BD4729G】
Ta=25℃
Ta=75℃
Ta=-20℃
Fig.10 Output Saturation Voltage
Fig.6 Detection Voltage
2.3
2.5
2.7
2.9
3.1
3.3
3.5
-20 -100 1020304050 607080
TEMPERATURE : Ta[℃]
【BD4729G】
-0.007%/℃
~
~


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