S72NXX AUK | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 7

Technical content

Features

  • Super low current consumption (ICCL = 1.0uA Typ.)
  • High current of output transistor (IOL=20mA Typ.)
  • Hysteresis circuit built in (△VS=100mV Typ.)
  • It has on delay function to supplement the constant of outer C and R.

Applications

  • Reset circuits for microcomputers, CPU and MPU.
  • Reset circuit for logic circuitry.
  • Battery voltage check circuit.
  • Circuit for changing over to backup battery.
  • Level detecting circuit.

Ordering Information

Type NO. Marking Package Code S72Nxx S72N□□ TO-92 □□: Detecting V oltage Code O u t l i n e D i m e n s i o n s Unit : mm SSeemmiiccoonndduuccttoorr PIN Connections 1. OUT 2. Vcc 3. GND 2.54 Typ. 4.5±0.1 4.5±0.1 14.0±0.40 0.4±0.02 1.27 Typ. 3.45±0.1 2.25±0.1 2.06±0.1 1.20±0.1 0.38 1 2 3

Equivalent Circuit Diagram M a x i m u m r a t i n g s (Ta=25°C) Characteristic Symbol Ratings Unit Supply voltage Vcc -0.3 ~ +10 V Power Dissipation (Package Limitation) PD 500 mW Operating Temperature Topr -20 ~ +75 ℃ Storage Temperature Tstg -40 ~ +125 ℃ E l e c t r i c a l C h a r a c t e r i s t i c s (Vcc=5V , Ta=25°C) Characteristic Symbol Test Circuit Test Condition Min. Typ. Max. Unit Detecting V oltage VS 1 * See Table 1 Hysteresis V oltage ΔVS 1 RL=470Ω,VCC=L→H→L 40 100 300 mV Temperature Coefficient Of detecting voltage VS/ΔT 1 RL=470Ω, Ta= -20~75℃ - ±0.01 - %/℃ Low Level Output voltage VOL 1 RL=470Ω, VCC= VS Min - 0.1 0.4 V Circuit current at ON ICCL 1 RL=∞Ω, VCC= VS Min - 100 180 µA Circuit current at OFF ICCH 1 RL=∞Ω,VCC=VS Max +0.1V - 1.0 2.5 µA Threshold Operating V oltage V opr 1 RL=4.7 ㏀, VOL≤0.4V - 1.4 1.6 V Output Current at ON I IOL 1 1 RL=0Ω, VCC= VS Min 10 20 - mA Output Current at ON II IOL 2 1 RL=0Ω, VCC= VS Min , L→H Transmission delay time tPLH 2 RL=4.7 ㏀, CL=100 ㎊ - 100 500 ㎲ H→L Transmission delay time tPHL 2 RL=4.7 ㏀, CL=100 ㎊ - 10 20 ㎲ Vcc OUT GND

  • Table 1 E l e c t r i c a l C h a r a c t e r i s t i c s (Vcc=5V , Ta=25°C) Characteristic Symbol Test Circuit Test Condition Min. Typ. Max. Unit S72N45 4.30 4.5 4.70 S72N42 4.00 4.2 4.40 S72N39 3.70 3.9 4.10 S72N36 3.40 3.6 3.80 S72N33 3.10 3.3 3.50 S72N31 2.90 3.1 3.30 S72N29 2.75 2.9 3.05 S72N27 2.55 2.7 2.85 S72N25 2.35 2.5 2.65 Detecting voltage VS 1 RL=470Ω VCC=H→L VOL≤0.4V S72N23 2.15 2.3 2.45 V

(1) Battery Low Indicator (2) CPU Resetting Test Circuit 2 Application Circuit (Note) (1) Connecting of LED and R2 obtains a voltage drop indicator. (2) Connecting of C1 and selection of time constant with C1 and R1 set the power on delay time. Test Circuit 1

Electrical Characteristic Curves Fig. 4 VS – Ta Fig. 6 VOL – Ta Fig. 1 VO – VCC Fig. 2 ICC – VCC Fig. 3 △VS – Ta Fig. 5 ICCL – Ta

Fig. 7 IOL – Ta Fig. 8 ICCH – Ta Fig. 9 CL – tPLH

These AUK products are intended for usage in general electronic equipments(Office and communication equipment, measuring equipment, domestic electrification, etc.). Please make sure that you consult with us before you use these AUK products in equipm- ents which require high quality and/or reliabi lity, and in equipments which could have major impact to the welfare of human life(atomic energy control, airplane, spaceship, traffic signal, combustion central, all types of safety device, etc.). AUK cannot accept liability to any damage which may occur in case these AUK products were used in the mentioned equipments without prior consultation with AUK.