KSI-9043-000
1
S7125AM
Bipolar Linear Integrated Circuit
Description
As Control Circuit of Battery-Backed Memory
As Measure Against Erroneous Operations at Power On-Off
As Resetting Function for the CPU-Mounted Equipment --- PC, Printer, VTR, Fax, C-TV etc.
As Measure Against System Runaway at Instantaneous Break of Power Supply etc.
Features
Current Consumption is Low (I
CC
L=300 Typ. I
CC
H=30 Typ.)
Resetting Output Minimum Guarantee Voltage is Low (0.8V Typ.)
Hysteresis Voltage is Provided (50 Typ.)
Ordering
Information
Type NO.
Marking
Package Code
S7125AM S7125AM
TO-92M
Outline Dimensions unit :
mm
S
S
e
e
m
m
i
i
c
c
o
o
n
n
d
d
u
u
c
c
t
t
o
o
r
r
PIN Connections
1. Vcc
2. GND
3. OUT
1. Vcc
3. OUT
2. GND
Equivalent Circuit
14.0
0.40
4.00.1
0.44 REF
0.52 REF
3.0
0.1
1.27 Typ.
2.540.1.
3.00.1
0.42 Typ.
0.7 Typ
.
1 2 3
3.8 Min.
KSI-9043-000
2
S7125AM
Absolute maximum ratings
(Ta=25
C)
Characteristic Symbol
Ratings
Unit
Supply voltage
V
CC
-0.3 ~ +15
V
Power Dissipation (Package Limitation)
P
D
400
Operating Temperature
T
opr
-30 ~ +75
Storage Temperature
T
stg
-55 ~ +150
Electrical Characteristics
(Ta=25
C)
Characteristic Symbol
Test
Circuit
Test Condition
Min.
Typ. Max.
Unit
Detecting voltage
V
S
1
R
L
=200 , V
OL
0.4V
2.35 2.5 2.65 V
Low Level Output voltage
V
OL
1
R
L
=200
- -
0.4
V
Output Leakage Current
I
OH
1
V
CC
=15V -
-
0.1
A
Hysteresis Voltage
V
S
1
R
L
=200
30 50 100
Detecting Voltage
Temperature Coefficient
V
S
/ T
1
R
L
=200
-
0.01
-
%/
Circuit current at on Time
I
CC
L 1
V
CC
= V
Smin
- 0.05V
-
300
500
A
Circuit current at off Time
I
CC
H 1
V
CC
=5.25V -
30
50
A
Threshold Operating Voltage
V
opr
1
R
L
=200 , V
OL
0.4V
- 0.8 - V
'L' Transmission Delay Time
t
P
HL 2
R
L
=1.0 , C
L
=100
- 10 -
'H' Transmission Delay Time
t
P
LH 2
R
L
=1.0 , C
L
=100
- 15 -
Output Current at on Time I
I
OL
I 1
V
CC
= V
Smin
- 0.05V
Ta = 25
20 - -
Output Current at on Time II
I
OL
II 1
V
CC
= V
Smin
- 0.05V
Ta = -30~+75
16 - -
Test Circuit 1 Test Circuit 2
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