Document
Semiconductor
S7129SF
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. S7129SF Marking 729 Package Code SOT-23F
Outline Dimensions
unit :
mm
2.4±0.1 1.6±0.1
Equivalent Circuit
1
2.9±0.1 1.90 BSC
2. Vcc
3
0.4±0.05
1. OUT
2
0.15±0.05
3. GND
PIN Connections 1. Out 2. Vcc 3. GND
0.9±0.1
0~0.1
KSI-2039-000
1
S7129SF
Absolute maximum ratings
Characteristic
Supply voltage Power Dissipation (Package Limitation) Operating Temperature Storage Temperature
(Ta=25°C)
Symbol
VCC PD* Topr Tstg
Ratings
-0.3 ~ +15 300 -30 ~ +75 -55 ~ +150
Unit
V ㎽ ℃ ℃
* With PCB(8×8 ㎜ Copper Area) at Glass Epoxy Board (t=1.7 ㎜, Area; 20×20 ㎜)
Electrical Characteristics
Characteristic
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
(Ta=25°C)
Symbol
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℃
Min.
2.75 30 20 16
Typ.
2.9 50 ±0.01 300 30 0.8 10 15 -
Max.
3.05 0.4 0.1 100 500 50 -
Unit
V V µA ㎷ %/℃ µA µA V ㎲ ㎲ ㎃ ㎃
Test Circuit 1
Test Circuit 2
KSI-2039-000
2
S7129SF
Electrical Characteristic Curves
Fig. 1 VOUT –VCC Fig. 2 ICC -VCC
Fig. 3 ICCH-Temp
Fig. 4 IOL -RL
KSI-2039-000
3
.