BD45451G-TR Datasheet, PDF (4/16 Pages) Rohm – Counter Timer Built-in CMOS Voltage Detector IC

BD45xxx series BD46xxx series
z Absolute maximum ratings
Parameter
Symbol
Limits
Power Supply Voltage
V_DD-GND
-0.3 to +10
Output Voltage
Output Current
Nch Open Drain Output
CMOS Output
VOUT
IO
GND-0.3 to +10
GND-0.3 to V_DD+0.3
60
ER pin Voltage
Power Dissipation
VCT
*1 *2
Pd
GND-0.3 to V_DD+0.3
540
Operating Temperature
Topr
-40 to +105
Ambient Storage Temperature
Tstg
-55 to +125
*1 Reduced by 5.4mW/°C when used over 25°C.
*2 When mounted on ROHM standard circuit board (70mm×70mm×1.6mm, glass epoxy board).
Datasheet
Unit
V
V
mA
V
mW
°C
°C
●Electrical characteristics (Unless Otherwise Specified Ta=-40 to 105°C)
Parameter
Symbol
Condition
VDD=HÆL, RL=470kΩ
*1
Detection Voltage
Detection Voltage
Temperature coefficient
Hysteresis Voltage
VDET
VDET/
∆T
∆VDET
VDET=2.5V
VDET=3.0V
VDET=3.3V
VDET=4.2V
VDET=4.8V
-40°C to +105°C
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 105°C
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 105°C
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 105°C
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 105°C
Ta=+25°C
Ta=-40°C to 85°C
Ta=85°C to 105°C
VDD＝LÆHÆL, RL=470kΩ
‘High’ Output
Delay time
tPLH
CL=100pF,
BD45XX5, BD46XX5
RL=100kΩ
BD45XX1, BD46XX1
*1, *2, *3 _{BD45XX2, BD46XX2}
VDD=VDET-0.2V, VER=0V VDET=2.3V to 3.1V ^*1
Circuit Current
when ON
IDD1
VDD=VDET-0.2V, VER=0V VDET=2.3V to 3.1V
VDD=VDET-0.2V, VER=0V VDET=3.2V to 4.2V ^*1
VDD=VDET-0.2V, VER=0V VDET=3.2V to 4.2V
VDD=VDET-0.2V, VER=0V VDET=4.3V to 4.8V ^*1
VDD=VDET-0.2V, VER=0V VDET=4.3V to 4.8V
VDD=VDET+0.2V, VER=0V VDET=2.3V to 3.1V ^*1
Circuit Current
when OFF
IDD2
VDD=VDET+0.2V, VER=0V VDET=2.3V to 3.1V
VDD=VDET+0.2V, VER=0V VDET=3.2V to 4.2V ^*1
VDD=VDET+0.2V, VER=0V VDET=3.2V to 4.2V
VDD=VDET+0.2V, VER=0V VDET=4.3V to 4.8V ^*1
VDD=VDET+0.2V, VER=0V VDET=4.3V to 4.8V
VDET(T):Standard Detection Voltage (2.3V to 4.8V, 0.1V step)
RL :Pull-up resistor to be connected between VOUT and power supply.
CL :Capacitor to be connected between VOUT and GND.
*1 Guarantee is Ta=25°C.
*2 tPLH:VDD=(VDET(T)-0.5V)Æ(VDET(T)+0.5V)
*3 tPLH:VDD=Please set the rise up time between VDD=0ÆVDET to more than 100µs.
Attention: Please connect the GND when you don’t use ‘ER’
Limit
Unit
Min.
Typ.
Max.
VDET(T)
×0.99
VDET(T)
VDET(T)
×1.01
2.475 2.5 2.525
2.417
-
2.580
2.422
-
2.598
2.970 3.0 3.030
2.901
-
3.095
2.906
-
3.117
3.267
3.3
3.333
V
3.191
-
3.405
3.196
-
3.429
4.158 4.2 4.242
4.061
-
4.334
4.068
-
4.364
4.752 4.8 4.848
4.641
-
4.953
4.649
-
4.988
-
±100 ±360 ppm/°C
VDET(T) VDET(T) VDET(T)
V
×0.03 ×0.05 ×0.08
45
50
55
90
100
110
ms
180
200
220
-
0.70
2.10
-
0.70
2.85
-
0.75
2.25
-
0.75
3.00
µA
-
0.80
2.40
-
0.80
3.15
-
0.75
2.25
-
0.75
4.28
-
0.80
2.40
µA
-
0.80
4.50
-
0.85
2.55
-
0.85
4.73
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18.Dec.2012 Rev.005