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BU45K254 데이터시트(PDF) 4 Page - Rohm

부품명 BU45K254
상세설명  Counter Timer Built-in CMOS Voltage Detector IC
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

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TSZ02201-0R7R0G300130-1-2
TSZ22111
15
001
4/14
17.May.2013 Rev.003
BU45Kxxxx, BU46Kxxxx, BU45Lxxxx, BU46Lxxxx series
Datasheet
Absolute maximum ratings (Ta=25°C)
Parameter
Symbol
Limit
Unit
Power Supply Voltage
VDD-GND
-0.3 to +6.0
V
Output Voltage
Nch Open Drain Output
VOUT
GND-0.3 to +6.0
V
CMOS Output
GND-0.3 to VDD+0.3
Output Current
Io
70
mA
Power Dissipation
*1 *2
Pd
700
mW
Operating Temperature
Topr
-40 to +105
°C
Ambient Storage Temperature
Tstg
-55 to +125
°C
*1
Use above Ta=25°C results in a 7.0mW loss per degree.
*2
When mounted on ROHM standard circuit board (70mmx70mmx1.6mm, glass epoxy board).
Electrical characteristics (Unless Otherwise Specified Ta=-40 to 105°C)
Parameter
Symbol
Condition
Limit
Unit
Min.
Typ.
Max.
Operating Voltage Range
VOPL
VOL
≤0.4V, RL=470kΩ, Ta=25~105°C
0.6
-
6.0
V
VOL
≤0.4V, RL=470kΩ, Ta=-40~25°C
0.9
-
6.0
Detection Voltage
VDET
VDD=H
L, RL=470k
*1
VDET(T)
×0.99
VDET(T)
VDET(T)
×1.01
V
VDET=2.5V
Ta=25°C
2.475
2.5
2.525
Ta=-40°C to 85°C
2.418
-
2.584
Ta=85°C to 105°C
2.404
-
2.597
VDET=3.0V
Ta=25°C
2.970
3.0
3.030
Ta=-40°C to 85°C
2.901
-
3.100
Ta=85°C to 105°C
2.885
-
3.117
VDET=3.3V
Ta=25°C
3.267
3.3
3.333
Ta=-40°C to 85°C
3.191
-
3.410
Ta=85°C to 105°C
3.173
-
3.428
VDET=4.2V
Ta=25°C
4.158
4.2
4.242
Ta=-40°C to 85°C
4.061
-
4.341
Ta=85°C to 105°C
4.039
-
4.364
VDET=4.8V
Ta=25°C
4.752
4.8
4.848
Ta=-40°C to 85°C
4.641
-
4.961
Ta=85°C to 105°C
4.616
-
4.987
Detection Voltage
Temperature coefficient
VDET/
∆T -40°C~105°C
-
±50
±360
ppm/°C
Hysteresis Voltage
∆VDET
VDD
L
H
L, RL=470k
VDET(T)
×0.03
VDET(T)
×0.05
VDET(T)
×0.08
V
‘High’ Output
Delay time
tPLH
CL=100pF,
RL=100k
*1,*2,* 3
BU4XXXX2G
Ta=25°C
120
200
280
ms
Ta=-40°C to 85°C
95
-
460
Ta=85°C to 105°C
85
-
235
BU4XXXX4G
Ta=25°C
240
400
560
Ta=-40°C to 85°C
190
-
920
Ta=85°C to 105°C
170
-
470
Circuit Current when ON
IDD1
VDD=VDET-0.2V, VDET=2.3V~4.8V
0.60
2.30
7.00
µA
Circuit Current when OFF
IDD2
VDD=VDET+1.0V, VDET=2.3V~4.8V
1.10
2.80
8.00
µA
‘High’ Output Voltage (Pch)
VOH
VDD=5.0V, ISOURCE= 6.8mA, VDET(4.3V to 4.8V)
VDD-0.5
-
V
‘Low’Output Voltage (Nch)
VOL
VDD=1.2V, ISINK = 2.0mA
-
-
0.3
V
VDD=2.4V, ISINK = 8.5mA, VDET(2.7V to 4.8V)
-
-
0.3
V
Leak Current when OFF
Ileak
VDD=VDS=6.0V
*1
-
-
1.0
µA
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)
(VDET(T)+0.5V)
*3 tPLH:VDD=Please set up the rise up time between VDD=VOPL VDET more than 10µs.


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