＜Multi-Function Transistor＞ RT8Ｈ012Ｃ Bipolar voltage detector 2.9 0.95 0.95 DESCRIPTION PIN CONFIGURATION RT8H012C is a NPN transistor, a PNP transistor, and the compound transistor constituted by resistance. A circuit designed for detecting input voltage and resetting system. ⑥ ② ⑤ ③ ④ 0∼0.1 0.13 0.4 ① 1.1 0.6 FEATURE ● The miniaturization of a set and high-density mounting are possible. ● Wide supply voltage range. （2V∼36V） ● A detection voltage setup is possible by external resistance. ● A delay time setup is possible by external capacity. ● "L" reset output of open collector. Unit：ｍｍ 2.8 1.6 APPLICATION Reset of logic circuit. Over voltage protection circuit. 6 5 4 012 １ 2 3 Out line ①VS ②C ③RP ④OUT ⑤GND ⑥VCC BLOCK DIAGRAM RP VCC OUT VS delay GND C Notes ： The external resistance for an output capability setup needs to be connected for RP terminal. 041007 （１／４） ＜Multi-Function Transistor＞ RT8Ｈ012Ｃ Bipolar voltage detector ABSOLUTE MAXIMUM RATINGS (Ta=25℃ Unless otherwise noted) Symbol Parameter Ratings Unit Vcc Supply voltage 37 V VOUT Output voltage Vcc V IOUT Output sink current 20 mA Power Dissipation 200 mW -20∼+75 ℃ -40∼＋150 ℃ PD TOPR Operating temperature TSTG Storage temperature ELECTRICAL CHARACTERISTICS (Vcc=5V , Ta=25℃ Unless otherwise noted) Symbol Vcc Parameter Test condition Supply voltage Min Limits Typ Max 2 36 250 V uA ICC Circuit current VS Detecting voltage 1.15 1.2 1.25 V ΔVS Hysterisis voltage 15 30 45 ｍV Vs/ΔT Rp=47kΩ Unit 0.02 Detecting voltage temperature coefficient VIN Input voltage range VCC≦７V VCC＞７V IIN Input current VS=1.25V 130 Tpd Delay time：VOUT L→H Cd=0.1uF 2.4 Icd Constant current at Cd pin Vo(sat) IOL Output saturation voltage Output leakage current -0.3 -0.3 -80 Rp=47kΩ、IL=3mA VOUT=5V %/℃ VCC 7 V 500 nA ｍｓ -55 -30 uA 0.2 0.4 V 1 uA 041007 （２／４） ＜Multi-Function Transistor＞ RT8Ｈ012Ｃ Bipolar voltage detector APPLICATION CIRCUIT EXAMPLE Vcc RP RP Vcc R1 RL OUT VS delay RP：Resistance which sets up output current capability Cd：Delay capacitor R2 GND C Cd R1＋R2 R2 The detecting supply voltage （Typ）＝1.2 × V The delay time （Typ）＝0.024×Cd（uF） sec TYPICAL CHARACTERISTICS CIRCUIT CURRENT VS SUPPLY VOLTAGE DETECTING VOLTAGE VS SUPPLY VOLTAGE （IRP≒100uA,IL≒5mA） 2.00 1.25 DETECTING VOLTAGE Vs（V) CIRCUIT CURRENT （mA） 1.80 1.60 1.40 RP=22K 1.20 RP=47K 1.00 0.80 RP=100K 0.60 RP=360K 0.40 0.20 VSH 1.24 1.23 1.22 1.21 1.2 VSL 1.19 1.18 1.17 1.16 0.00 0 0 5 10 15 20 25 30 35 40 10 20 30 40 SUPPLY VOLTAGE （V) SUPPLY VOLTAGE （V） 041007 （３／４） ＜Multi-Function Transistor＞ RT8Ｈ012Ｃ Bipolar voltage detector HYSTERISIS VOLTAGE VS AMBIENT TEMPERATURE 0.06 1.24 HYSTERISYS VOLTAGE ΔVs （V） DETECTING VOLTAGE VSL （V） 1.25 DETECTING VOLTAGE VS AMBIENT TEMPERATURE 0.05 1.23 1.22 0.04 1.21 Vcc=10V 1.2 1.19 0.03 Vcc=5V 1.18 Vcc=10V Vcc=5V Vcc=3V 0.02 Vcc=3V 1.17 0.01 1.16 1.15 -40 -20 0 20 40 60 80 0 -40 100 -20 OUTPUT SATURATION VOLTAGE （V) VCC=5V、Ta=25℃ DELAY TIME (us) 100000 10000 VOUT=L→H 1000 100 VOUT=H→L 10 1 0.1 1E-10 40 60 80 100 VCC=5V、Ta=25℃ 3.5 RP=360K 3 RP=100K RP=51K RP=30K RP=10K 2.5 2 1.5 1 0.5 0 1E-09 1E-08 1E-07 1E-06 0.00001 0 5 DELAY CAPACITANCE (F) 10 15 20 25 OUTPUT SINK CURRENT (mA) 30 LOW SUPPLY VOLTAGE VS OUTPUT VOLTAGE (RP=360kΩ) LOW SUPPLY VOLTAGE VS OUTPUT VOLTAGE (RP=100k Ω) VCC=5V、Ta=25℃ VCC=5V、Ta=25℃ 1.00 1.00 0.90 OUTPUT VOLTAGE （V） 0.90 OUTPUT VOLTAGE （V） 20 OUTPUT SATURATION VOLTAGE VS OUTPUT SINK CURRENT DELAY TIME VS DELAY CAPACITANCE 1000000 0 AMBIENT TEMPERATURE Ta（℃） AMBIENT TEMPERATURE Ta（℃） 0.80 0.70 0.60 0.50 0.40 0.30 RL=2.2K 0.20 0.80 0.70 0.60 0.50 0.40 0.30 RL=5.1K 0.20 0.10 0.10 RL=22K 0.00 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 RL=51K 0.00 2 0 SUPPLY VOLTAGE （V） 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 SUPPLY VOLTAGE （V） 041007 （４／４） 6-41 Tsukuba, Isahaya, Nagasaki, 854-0065 Japan Keep safety first in your circuit designs! ·ISAHAYA Electronics Corporation puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. 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