7 S71xxLSF 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 S71xxLSF Package Code L□□ SOT-23F □□: Detecting Voltage Code Outline Dimensions unit : mm 2.4±0.1 1.6±0.1 Equivalent Circuit 2. Vcc 1.90 BSC 3 0.4±0.05 1. OUT 3. GND 0.9±0.1 0.15±0.05 2 0~0.1 2.9±0.1 1 PIN Connections 1. OUT 2. Vcc 3. GND KSI-2024-002 1 S71xxLSF Absolute maximum ratings (Ta=25°C) Characteristic Symbol Ratings Unit Supply voltage VCC -0.3 ~ +10 V Power Dissipation (Package Limitation) P D* 300 ㎽ Operating Temperature Topr -20 ~ +75 ℃ Storage Temperature Tstg -40 ~ +125 ℃ * With PCB(8×8 ㎜ Copper Area) at Glass Epoxy Board (t=1.7 ㎜, Area; 20×20 ㎜) Electrical Characteristics Characteristic Detecting voltage (Ta=25°C) Symbol VS Test Circuit 1 Test Condition RL =470Ω VCC =H→L VOL≤0.4V Min. Typ. Max. Unit S7145LSF 4.30 4.5 4.70 S7142LSF 4.00 4.2 4.40 S7139LSF 3.70 3.9 4.10 S7136LSF 3.40 3.6 3.80 S7133LSF 3.10 3.3 3.50 S7131LSF 2.90 3.1 3.30 S7129LSF 2.75 2.9 3.05 S7127LSF 2.55 2.7 2.85 S7125LSF 2.35 2.5 2.65 S7123LSF 2.15 2.3 2.45 30 100 300 ㎷ V ΔVS 1 RL =470Ω,VCC =L→H→L VS/ΔT 1 RL =470Ω, Ta=-20~75℃ - ±0.01 - %/℃ Low Level Output voltage VOL 1 RL =470Ω, VCC = VSMin - 0.1 0.4 V Circuit current at ON ICCL 1 RL =∞, VCC = VSMin - 300 500 µA Circuit current at OFF ICCH 1 RL =∞, VCC = VSMax +0.1V - 30 50 µA Threshold Operating Voltage Vopr 1 RL =4.7 ㏀, VOL≤0.4V - 1.4 1.6 V Output Current at ON I IOLI 1 RL =0, VCC = V SMin 10 20 - ㎃ Output Current at ON II IOLII 1 RL =0, VCC = V SMin , Ta= -20~75℃ 5 - - ㎃ L→H Transmission delay time tPLH 2 RL =4.7 ㏀, C L =100 ㎊ - 100 - ㎲ H→L Transmission delay time tPHL 2 RL =4.7 ㏀, C L =100 ㎊ - 10 - ㎲ Hysteresis Voltage Temperature Coefficient Of detecting voltage Test Circuit 1 Test Circuit 2 S71xxLSF S71xxLSF KSI-2024-002 2 S71xxLSF Electrical Characteristic Curves Fig. 1 VO – VCC Fig. 3 ICC – VCC Fig. 5 △ VS – Ta Fig. 2 VS – Ta Fig. 4 VOL – Ta Fig. 6 ICCH – Ta KSI-2024-002 3 S71xxLSF Fig. 7 IOL – Ta Fig. 8 CL – t PLH Fig. 9 ICCL – Ta KSI-2024-002 4