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AUK corp |
Semiconductor
S7145SF
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 (ICCL=300 ㎂ Typ. ICCH=30 ㎂ Typ.)
• Resetting Output Minimum Guarantee Voltage is Low (0.8V Typ.)
• Hysteresis Voltage is Provided (50 ㎷ Typ.)
Ordering Information
Type NO.
S7145SF
Marking
745
Package Code
SOT-23F
Outline Dimensions
unit : mm
2.4±0.1
1.6±0.1
1
3
2
Equivalent Circuit
2. Vcc
1. OUT
3. GND
PIN Connections
1. Out
2. Vcc
3. GND
KSI-2038-000
1
S7145SF
Absolute maximum ratings
Characteristic
Symbol
Ratings
Supply voltage
VCC -0.3 ~ +15
Power Dissipation (Package Limitation)
PD*
300
Operating Temperature
Topr -30 ~ +75
Storage Temperature
Tstg -55 ~ +150
* With PCB(8×8 ㎜ Copper Area) at Glass Epoxy Board (t=1.7 ㎜, Area; 20×20 ㎜)
(Ta=25°C)
Unit
V
㎽
℃
℃
Electrical Characteristics
Characteristic
Symbol
Detecting voltage
Low Level Output voltage
Output Leakage Current
Hysteresis Voltage
Detecting Voltage
Temperature Coefficient
Circuit current at on Time
Circuit current at off Time
Threshold Operating Voltage
'L' Transmission Delay Time
'H' Transmission Delay Time
Output Current at on Time I
Output Current at on Time II
VS
VOL
IOH
Δ VS
VS/Δ T
ICCL
ICCH
Vopr
tPHL
tPLH
IOLI
IOLII
Test
Circuit
1
1
1
1
1
1
1
1
2
2
1
1
Test Condition
RL=200Ω , VOL≤ 0.4V
RL=200Ω
VCC=15V
RL=200Ω
RL=200Ω
VCC = VSmin - 0.05V
VCC=5.25V
RL=200Ω , VOL≤ 0.4V
RL=1.0 ㏀, CL=100 ㎊
RL=1.0 ㏀, CL=100 ㎊
VCC = VSmin - 0.05V
Ta = 25℃
VCC = VSmin - 0.05V
Ta = -30~+75℃
(Ta=25°C)
Min. Typ. Max. Unit
4.35
4.5 4.65
V
- - 0.4 V
- - 0.1 µA
30 50 100 ㎷
- ±0.01 - %/℃
- 300 500 µA
- 30 50 µA
- 0.8 -
V
- 10 - ㎲
- 15 - ㎲
20 -
-㎃
16 -
-㎃
Test Circuit 1
Test Circuit 2
KSI-2038-000
2
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