7
Semiconductor
S77xxSF
Bipolar Linear Integrated Circuit
Description
•
Micro computer circuits in mobile phones, word processors, TVs, VCRs etc
•
General logic circuits
•
Detection of voltage drop in batteries of note personal computers, mobile phones
•
Switching to backup power supply
Features
•
•
•
•
Super Low Current Consumption (I
CCL
=100
㎂
Typ. I
CCH
=1
㎂
Typ.)
It has on delay function to supplement the constant of outer C and R
Low operation voltage
•
High current of output transistor
Hysteresis circuit built in
•
Low operation voltage
Ordering Information
Type NO.
S77xxSF
Marking
R□□
□□:
Detecting Voltage Code
Package Code
SOT-23F
Outline Dimensions
unit :
mm
2.4±0.1
1.6±0.1
Equivalent Circuit
1
1.90 BSC
2.9±0.1
3
0.4±0.05
2. Vcc
2
0.15±0.05
1. OUT
3. GND
0.9±0.1
0~0.1
PIN Connections
1. OUT
2. Vcc
3. GND
KSI-2011-000
1
S77xxSF
Absolute maximum ratings
Characteristic
Supply voltage
Power Dissipation (Package Limitation)
Operating Temperature
Storage Temperature
(Ta=25°C)
°
Symbol
V
CC
P
D
*
T
opr
T
stg
Ratings
-0.3 ~ +10
300
-20 ~ +75
-40 ~ +125
Unit
V
½
℃
℃
*
With PCB(8×8
㎜
Copper Area) at Glass Epoxy Board (t=1.7
㎜,
Area; 20×20
㎜)
Electrical Characteristics
Characteristic
Symbol
Test
Circuit
Test Condition
S7745SF
S7742SF
S7739SF
S7736SF
Detecting voltage
V
S
1
R
L
=470Ω
V
CC
=H→L
V
OL
≤0.4V
S7733SF
S7731SF
S7729SF
S7727SF
S7725SF
S7723SF
Hysteresis Voltage
Temperature Coefficient
Of detecting voltage
Low Level Output voltage
Circuit current at ON
Circuit current at OFF
Threshold Operating Voltage
Output Current at ON I
Output Current at ON II
L→H Transmission delay time
H→L Transmission delay time
V
Δ
S
V
S
/Δ
T
V
OL
I
CCL
I
CCH
V
opr
I
OLI
I
OLII
t
PLH
t
PHL
1
1
1
1
1
1
1
1
2
2
R
L
=470Ω
CC
=L→H→L
,V
R
L
=470Ω Ta= -20~75℃
,
R
L
=470Ω V
CC
= V
SMin
,
R
L
=∞, V
CC
= V
SMin
R
L
=∞, V
CC
= V
SMax
+0.1V
R
L
=4.7
㏀,
V
OL
≤0.4V
R
L
=0, V
CC
= V
SMin
R
L
=0, V
CC
= V
SMin
,
Ta= -20~75℃
R
L
=4.7
㏀,
C
L
=100
㎊
R
L
=4.7
㏀,
C
L
=100
㎊
(Ta=25°C)
°
Min.
4.30
4.00
3.70
3.40
3.10
2.90
2.75
2.55
2.35
2.15
40
-
-
-
-
-
10
5
-
-
Typ.
4.5
4.2
3.9
3.6
3.3
3.1
2.9
2.7
2.5
2.3
100
±0.01
0.1
100
1.0
1.4
20
-
100
10
Max.
4.70
4.40
4.10
3.80
3.50
3.30
3.05
2.85
2.65
2.45
300
-
0.4
180
2.5
1.6
-
-
500
20
Unit
V
㎷
%/℃
V
µA
µA
V
㎃
㎃
㎲
㎲
Test Circuit 1
Test Circuit 2
KSI-2011-000
2
S77xxSF
Electrical Characteristic Curves
Fig. 1 P
D
– T
a
Fig. 2 V
O
– V
CC
Fig. 3 I
CC
– V
CC
Fig. 4 V
S
– T
a
Fig. 5
△
V
S
– T
a
Fig. 6 V
OL
– T
a
KSI-2011-000
3
S77xxSF
Fig. 7 I
OL
– T
a
Fig. 8 I
CCH
– T
a
Fig. 9 I
CCL
– T
a
Fig. 10 C
L
– t
PLH
KSI-2011-000
4
