BU4231G-TR Datasheet, PDF (4/16 Pages) Rohm – Low Voltage Free Delay Time Setting CMOS Voltage Detector IC Series

BU42xx series BU43xx series
Datasheet
●Absolute Maximum Ratings
Parameter
Symbol
Limit
Power Supply Voltage
VDD
-0.3 to +7
Output Voltage
Nch Open Drain Output
CMOS Output
VOUT
GND-0.3 to +7
GND-0.3 to VDD+0.3
Output Current
Io
70
SSOP5(SOT-23-5) ^*1*4
540
Power
Dissipation
SOP4(SC-82)
*2*4
Pd
VSOF5
*3*4
400
210
Operation Temperature Range
Ambient Storage Temperature
Topt
-40 to +125
Tstg
-55 to +125
*1 Reduced by 5.4mW/°C when used over 25°C.
*2 Reduced by 4.0mW/°C when used over 25°C.
*3 Reduced by 2.1mW/°C when used over 25°C.
*4 When mounted on ROHM standard circuit board (70mm×70mm×1.6mm, glass epoxy board).
Unit
V
V
mA
mW
°C
°C
●Electrical Characteristics (Unless Otherwise Specified Ta=-25 to 125°C)
Parameter
Symbol
Condition
Limit
Unit
Min.
Typ.
Max.
VDD=H L, Ta=25°C, RL=470kΩ
VDET(T)
×0.99
VDET(T)
VDET(T)
×1.01
VDET=1.8V
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 125°C
1.782 1.8 1.818
1.741
-
1.860
1.731
-
1.870
Detection Voltage
VDET=2.5V
VDET
VDET=3.0V
VDET=3.3V
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 125°C
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 125°C
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 125°C
2.475 2.5 2.525
2.418
-
2.584
2.404
-
2.597
2.970
3.0
3.030 V
2.901
-
3.100
2.885
-
3.117
3.267 3.3 3.333
3.191
-
3.410
3.173
-
3.428
Ta=+25°C
VDET=4.2V
Ta=-40°C to 85°C
Ta=85°C to 125°C
Circuit Current when ON
Circuit Current when OFF
Operating Voltage Range
IDD1
IDD2
VOPL
VDET =0.9 to 1.3V
VDET =1.4 TO 2.1V
VDD=VDET-0.2V
VDET =2.2 TO 2.7V
VDET =2.8 to 3.3V
VDET =3.4 to 4.2V
VDET =4.3 to 4.8V
VDET =0.9 TO 1.3V
VDET =1.4 TO 2.1V
VDD=VDET+2.0V
VDET =2.2 to 2.7V
VDET =2.8 to 3.3V
VDET =3.4 to 4.2V
VDET =4.3 to 4.8V
VOL≤0.4V, Ta=25 to 125°C, RL=470kΩ
VOL≤0.4V, Ta=-40 to 25°C, RL=470kΩ
‘High’ Output Voltage (Pch)
VOH
VDD=4.8V, ISOURCE=1.7 mA,VDET=0.9V to 3.9V
VDD=6.0V, ISOURCE=2.0 mA,VDET=4.0V to 4.8V
VDD=0.85V, ISINK = 20 µA
‘Low’ Output Voltage (Nch)
VOL VDD=1.5V, ISINK = 1 mA, VDET=1.7 to 4.8V
VDD=2.4V, ISINK = 3.6 mA, VDET=2.7 to 4.8V
*1: Design Guarantee. (Outgoing inspection is not done on all products.)
VDET(T) : Standard Detection Voltage (0.9V to 4.8V, 0.1V step)
RL: Pull-up resistor to be connected between VOUT and power supply.
4.158
4.061
4.039
-
-
-
-
-
-
-
-
-
-
-
-
0.70
0.90
VDD-0.5
VDD-0.5
-
-
-
4.2
-
-
0.15
0.20
0.25
0.30
0.35
0.40
0.30
0.35
0.40
0.45
0.50
0.55
-
-
-
-
-
-
-
4.242
4.341
4.364
0.88
1.05
1.23
1.40
µA
1.58
1.75
1.40
1.58
1.75
1.93
µA
2.10
2.28
-
V
-
-
V
-
V
0.05
V
0.5
V
0.5
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22.May.2013 Rev.006