參數(shù)資料
型號(hào)： MM1081XV
廠商： MITSUMI ELECTRIC CO LTD
元件分類： 電源管理
英文描述： System Reset (with battery back-up) Monolithic IC
中文描述： POWER SUPPLY SUPPORT CKT, PDSO29
封裝： TSOP-20
文件頁數(shù)： 4/11頁
文件大小： 120K
代理商： MM1081XV
MITSUMI
System Reset (with battery back-up) MM1027, 1081
Electrical Characteristics
(Except where noted otherwise, Ta=25°C, V
CC
=5V, V
BAT
=3V)
Item
Symbol
Measurement conditions
Min. Typ. Max. Units
CS sync current
I
CSL
V
CC
=3.5, V
CS
=0.4V Current measured
0.5
-
-
2.0
-
mA
---------------------------
output voltage L
V
CC
=5V, I
CS
=3μA
0.10 0.25
V
---------------------------
output voltage H
V
CC
=4V, V
OUT
-
V
CSH
, I
CS
=
-
3μA
0.14 0.40
V
---------------------------
sync current
V
CC
=5V, V
CS
=0.4V Current measured
0.3
1.0
-
mA
Operation limit voltage L
V
OPL
Minimum power supply voltage at which
-
CS pin can hold low level V
CS
< 0.4V
V
CC
=L H, TC : OPEN, C1=47pF
2.0
2.4
V
ON delay time 1
t
PLH
1
-
-
-
-
30
-
μS
OFF delay time 1
t
PHL
1
V
CC
=H L, TC : OPEN, C1=47pF
2.0
5
-
μS
ON delay time 2
t
PLH
2
V
CC
=L H, TC : 1nF, C1=47pF
0.8
mS
OFF delay time 2
t
PHL
2
V
CC
=H L, TC : 1nF, C1=47pF
V
CC
=5V, R1=10k
PULL UP
V
BAT
=H L (to V
CC
)
V
CC
=5V, R1=10k
PULL UP
V
BAT
=L H(to V
CC
)
V
CC
=5V, R2=10k
PULL UP
V
BAT
=H L (to V
CC
)
V
CC
=5V, R2=10k
PULL UP
V
BAT
=L H (to V
CC
)
2.0
10
μS
BATT
MM1027X
VBD1
2.60 2.70 2.80
V
detection voltage 1
MM1081N
BATT hysteresis voltage 1
VBD1
0.05 0.10 0.20
V
BATT
MM1027X
VBD2
2.45 2.55 2.65
V
detection voltage 2
MM1081N
BATT hysteresis voltage 2
VBD2
0.05 0.10 0.20
V
BD output voltage L
VBDL
V
CC
=5V, V
BAT
=0V
-
0.2
0.4
-
V
BD output sink current
IBDSNK
V
CC
=5V, V
BAT
=0V, VBD=4V
1.0
-
-
-
-
-
3.0
-
mA
Leakage current
IBDH
V
CC
=5V, V
BAT
=3V, VBD=5V
0.2
μA
I/O voltage
MM1027
V
SAT
1
V
CC
=5V, I
O
=70mA
0.2
0.3
V
difference 1
MM1081
V
CC
=5V, I
O
=120mA
0.25
0.4
I/O voltage difference 2
V
SAT
2
V
BAT
=3V, I
O
=10μA
0.2
0.3
V
I/O voltage difference 3
V
SAT
3
V
BAT
=3V, I
O
=100μA
0.3
0.4
-
V
External transistor driving current
I
BUD
V
CC
=5V, V (T
B
) =4.5V
16
25
mA
Power supply switching voltage
V
BB
V
CC
=H L, V
BAT
=3V
3.15 3.30 3.45
V
Hysteresis voltage
V
BB
V
CC
=L H, V
BAT
=3V
0.05 0.10 0.20
-
-
V
Switching voltage
MM1027
V
BB
/ T
±0.08
%/
°
C
temperature characteristic
MM1081
±0.06
Loss current
I
LOS
V
CC
=0V, V
BAT
=3V, I
O
=0μA
-
-
0.3
μA
D.CONT pin : GND
Reverse current
I
OREV
V
CC
=0V, V
BAT
=3V, I
O
=0μA
-
-
0.1
μA
D.CONT pin : OPEN
TC source current
I
TCSCE
V
CC
=5V, V
TC
=0V
2.0
3.0
5.0
μA
circuit
unit
---------------------------
CS
BD
circuit
unit
Backup
circuit
unit
V
CSL
V
-------------------------
I
CSL
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