bd45331g ROHM Co. Ltd., bd45331g Datasheet - Page 2

• Manufacturer Part Number: bd45331g
• Description: Counter Timer Built-in Cmos Voltage Detector Ic
• Manufacturer: ROHM Co. Ltd.

●Absolute Maximum Rating (Ta=25℃)
●Electrical Characteristics (Unless specified otherwise, Ta=-25℃~+105℃)
●Block Diagrams
Operating Voltage Range
Power Supply Voltage
Output
Voltage
ER pin Voltage
Power Dissipation
Operating Temperature
Ambient Storage Temperature
Temperature Coefficient
“H” Transmission Delay
*
*
Circuit Current at OFF
*1 Guarantee on Ta=25℃
*2 tPLH：VDD =（V
Designed Guarantee. (Outgoing inspection is not done an all products.)
“High” Output Current
Circuit Current at ON
“Low” Output Current
1 Use above Ta=25℃ results in a 5.4mW loss per degree.
2 When mounted on a 70mm×70mm×1.6mm glass epoxy board.
Hysteresis Voltage
Detection Voltage
Detection Voltage
BD45□□□G
Parameter
Time
Vref
Nch Open Drain Output
CMOS Output
DET
Parameter
TOP VIEW
SSOP5
（T）-0.5）→（V
GND
V
DD
*1
*1
*1
*1
*1
*2
V
Symbol
Fig.1
ΔV
DET
V
V
I
I
t
I
I
DD1
DD2
PLH
DET
OPL
OH
OL
Circuit Comter
DET
DET
/ΔT
Oscillation
Timer
（T）+0.5）
ER
V
V
DET
DET
*2
*1
Min.
0.95
(T)×0.99
180
2.0
1.2
－
－
－
45
90
×0.03
VDD－GND
Symbol
VOUT
VCT
Topr
Tstg
Pd
V
V
DET
OUT
V
±100
DET
0.80
0.85
Typ.
100
200
5.0
2.7
－
50
×0.05
2/8
(T)
BD46□□□G
V
V
PIN No.
*Connect the substrate to GND.
DET
GND-0.3 ~ VDD+0.3
GND-0.3 ~ VDD+0.3
DET
±360
Max.
2.40
2.55
(T)×1.01
GND-0.3 ~ +10
220
1
2
3
4
5
110
－
－
－
55
×0.08
Vref
-40 ~ +105
-55 ~ +125
-0.3 ~ +10
Limits
540
GND
V
ppm/℃ Ta=-25℃～+105℃ (Designed Guarantee)
Symbol
msec
DD
Unit
μA
μA
mA
mA
V
GND
SUB
V
V
V
V
ER
OUT
DD
Fig.2
VDD=H→L, RL=470kΩ
RL=470kΩ,VDD=L→H→L
VDD=V
VDD=V
RL=470kΩ,VOL≧0.4V,Ta=25～105℃
VDS=0.5V,VDD=2.4V,VDET≧2.7V
VDS=0.5V,VDD=6.0V,V
RL=100kΩ
CL=100pF
Circuit Comter
Oscillation
Timer
ER
Manual Reset
Substrate
GND
Reset Output
Power Supply Voltage
DET
DET
Unit
mW
℃
℃
V
V
V
-0.2V,V
+2.0V,V
Function
BD45XX5G,BD46XX5G
BD45XX1G,BD46XX1G
BD45XX2G,BD46XX2G
Conditions
*
DET
DET
=4.3～4.8V
=4.3～4.8V
DET
≧4.3V
V
OUT