BU4830F-TR Datasheet, PDF (6/16 Pages) Rohm – Low Voltage Standard CMOS Voltage Detector ICs

BU48xx series BU49xx series
Datasheet
Unless Otherwise Specified Ta=-25 to 125℃
Parameter
Symbol
Condition
Limit
Unit
Min.
Typ.
Max.
VDET=0.9-1.3V
-
0.15
0.88
VDET=1.4-2.1V
-
0.20
1.05
Circuit Current when ON
IDD1 VDD=VDET-0.2V
VDET=2.2-2.7V
VDET=2.8-3.3V
-
0.25
1.23
µA
-
0.30
1.40
VDET=3.4-4.2V
-
0.35
1.58
VDET=4.3-4.8V
-
0.40
1.75
VDET=0.9-1.3V
-
0.30
1.40
VDET=1.4-2.1V
-
0.35
1.58
Circuit Current when OFF
IDD2
VDD=VDET+2.0V
VDET=2.2-2.7V
VDET=2.8-3.3V
-
0.40
1.75
µA
-
0.45
1.93
VDET=3.4-4.2V
-
0.50
2.10
VDET=4.3-4.8V
-
0.55
2.28
Operating Voltage Range
VOPL
VOL≤0.4V, Ta=25 to 125℃, RL=470kΩ
VOL≤0.4V, Ta=-40 to 25℃, RL=470kΩ
0.70
0.90
-
-
-
V
-
VDD=0.85V, ISINK = 20 µA
-
-
0.05
V
‘Low’ Output Voltage (Nch) VOL VDD=1.5V, ISINK = 1 mA, VDET=1.7-4.8V
-
-
VDD=2.4V, ISINK = 4 mA, VDET=2.7-4.8V
-
-
VDD=4.8V,ISOURCE=1.7mA,
‘High’ Output Voltage (Pch)
(only BU49xx)
VOH
VDET=0.9V to 3.9V
VDD=6.0V,ISOURCE=2.0mA,
VDET=4.0V to 4.8V
Output Leak Current when
OFF
(only BU48xx)
VDD=VDS=7V
Ta=-40℃ to 85℃
Ileak
VDD=VDS=7V
Ta=85℃ to 125℃
* This product is not designed for protection against radioactive rays.
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.
VDD-0.5 -
VDD-0.5 -
-
0
-
0
0.5
V
0.5
-
V
-
0.1
µA
1
●Block Diagrams
VDD
Vref
GND
Fig.1 BU48xx Series
VOUT
VDD
Vref
GND
Fig.2 BU49xx Series
VOUT
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TSZ02201-0R7R0G300060-1-2
03.Feb.2014 Rev.010