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| 7 Semiconductor S71XX Standard Voltage Detector Description * The S71XX prevents the error of system from supply voltage below normal voltage level at the time the power on and instantaneous power off in systems. 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.) Applications * 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. Ordering Information Type NO. S71XX Marking S71 : Detecting Voltage Code Package Code TO-92 Outline Dimensions 4.40~4.80 4.40~4.80 Unit : mm Equivalent Circuit Diagram 0.50 Max. 13.50~14.50 1.27 Typ. 1.27 Typ. 1 3.40~3.60 23 0.45 Max. PIN Connections 1. Vcc 2. GND 3. OUT KSD-I0A005-000 1 S71XX Maximum ratings Characteristic Supply Voltage Power Dissipation Output Voltage Operating Temperature Range Storage Temperature Range Symbol VCC PD VOUT TOPR TSTG Ratings -0.3 ~ +15 625 -0.3 ~ +15 -30 ~ +75 -55 ~ +150 (Ta=25C) Unit V mW V Electrical Characteristics Characteristic Symbol Test Circuit Test Condition S7145 S7142 S7139 S7136 Detecting Voltage VS 1 RL=200 VCC=HL VOL0.4V S7133 S7131 S7129 S7127 S7125 S7123 Hysteresis Voltage Temperature Coefficient of Detecting Voltage Low Level Output voltage Leakage Current When OFF Circuit current at ON Circuit current at OFF Threshold operating Voltage Output Current at ON I Output Current at ON II LH Transmission delay time HL Transmission delay time VS : Standard Detection Voltage VS VS /T VOL ILEAK ICCL ICCH VOPR IOL I IOL II tPLH tPHL 1 1 1 1 1 1 1 1 1 2 2 RL=200, VCC = LHL RL =200, Ta= -30 ~ +75 RL =200, VCC = VS Min VCC=15V, RL=200 VCC = VS Min VCC = VS Max +0.1V RL =200, VOL0.4V RL =0, VCC = VS Min - 0.05V RL =0, VCC = VS Min - 0.05V Ta= -30 ~ +75 RL =1.0 , CL=100 RL =1.0 , CL=100 (VCC=5V, Ta=25C) Min. 4.35 4.05 3.75 3.45 3.15 2.95 2.75 2.55 2.35 2.15 30 20 16 - Typ. 4.5 4.2 3.9 3.6 3.3 3.1 2.9 2.7 2.5 2.3 50 0.01 300 30 0.8 15 10 Max. 4.65 4.35 4.05 3.75 3.45 3.25 3.05 2.85 2.65 2.45 100 0.4 0.1 500 50 1.6 - Unit V %/ V A A A V mA mA KSD-I0A005-000 2 S71XX Test Circuit 1 Test Circuit 2 Application Circuit (1) Battery Low Indicator Note 1. : Connecting of LED and R2 obtains a voltage drop indicator. (2) Resetting for CPU KSD-I0A005-000 3 S71XX Electrical Characteristic Curves Fig. 1 VOUT - VCC Fig. 2 ICC - VCC Fig. 3 ICCH - Ta Fig. 4 IOL - RL KSD-I0A005-000 4 S71XX The AUK Corp. products are intended for the use as components in general electronic equipment (Office and communication equipment, measuring equipment, home appliance, etc.). Please make sure that you consult with us before you use these AUK Corp. products in equipments which require high quality and / or reliability, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, transportation, combustion control, all types of safety device, etc.). AUK Corp. cannot accept liability to any damage which may occur in case these AUK Corp. products were used in the mentioned equipments without prior consultation with AUK Corp.. Specifications mentioned in this publication are subject to change without notice. KSD-I0A005-000 5 |
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