7 S77xxSF Semiconductor 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 (ICCL=100 Typ. ICCH=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. Marking S77xxSF R Package Code SOT-23F : Detecting Voltage Code Outline Dimensions unit : mm 2.40.1 1.60.1 Equivalent Circuit 1.90 BSC 2. Vcc 1. OUT 3. GND 0.90.1 0.150.05 2 0.40.05 3 0~0.1 2.90.1 1 PIN Connections 1. OUT 2. Vcc 3. GND KSI-2011-000 1 S77xxSF (Ta=25C) Absolute maximum ratings Characteristic Symbol Ratings Unit Supply voltage VCC -0.3 ~ +10 V Power Dissipation (Package Limitation) PD* 300 Operating Temperature Topr -20 ~ +75 Storage Temperature Tstg -40 ~ +125 * With PCB(8x8 Copper Area) at Glass Epoxy Board (t=1.7 , Area; 20x20 ) (Ta=25C) Electrical Characteristics Characteristic Detecting voltage Symbol VS Test Circuit 1 Test Condition RL=470 VCC=HL VOL0.4V Min. Typ. Max. Unit S7745SF 4.30 4.5 4.70 S7742SF 4.00 4.2 4.40 S7739SF 3.70 3.9 4.10 S7736SF 3.40 3.6 3.80 S7733SF 3.10 3.3 3.50 S7731SF 2.90 3.1 3.30 S7729SF 2.75 2.9 3.05 S7727SF 2.55 2.7 2.85 S7725SF 2.35 2.5 2.65 S7723SF 2.15 2.3 2.45 40 100 300 V VS 1 RL=470,VCC=LHL VS/T 1 RL=470, Ta= -20~75 - 0.01 - %/ Low Level Output voltage VOL 1 RL=470, VCC= VSMin - 0.1 0.4 V Circuit current at ON ICCL 1 RL=, VCC= VSMin - 100 180 A Circuit current at OFF ICCH 1 RL=, VCC= VSMax +0.1V - 1.0 2.5 A Threshold Operating Voltage Vopr 1 RL=4.7 , VOL0.4V - 1.4 1.6 V Output Current at ON I IOLI 1 RL=0, VCC= VSMin 10 20 - Output Current at ON II IOLII 1 RL=0, VCC= VSMin , Ta= -20~75 5 - - LH Transmission delay time tPLH 2 RL=4.7 , CL=100 - 100 500 HL Transmission delay time tPHL 2 RL=4.7 , CL=100 - 10 20 Hysteresis Voltage Temperature Coefficient Of detecting voltage Test Circuit 1 Test Circuit 2 KSI-2011-000 2 S77xxSF Electrical Characteristic Curves Fig. 1 PD - Ta Fig. 2 VO - VCC Fig. 3 ICC - VCC Fig. 4 VS - Ta Fig. 5 VS - Ta Fig. 6 VOL - Ta KSI-2011-000 3 S77xxSF Fig. 7 IOL - Ta Fig. 8 ICCH - Ta Fig. 9 ICCL - Ta Fig. 10 CL - tPLH KSI-2011-000 4