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NJU7708/09 VOLTAGE DETECTOR with Delay Function GENERAL DESCRIPTION The NJU7708/09 is a low quiescent current voltage detector with delay function featuring high precision detection voltage. The detection voltage is fixed internally with an accuracy of 1.0%. NJU7708 is Nch. Open Drain and NJU7709 of output circuit form is a C-MOS output. PACKAGE OUTLINE NJU7708/09F FEATURES High Precision detection Voltage 1.0% Low Quiescent Current 1.3A Detection Voltage Range 1.5 6.0V(0.1V step) Adjustable Delay Time (D1/D2 2bit control) 0ms/50ms/100ms/200ms Output Circuit Form NJU7708: Nch. Open Drain Type NJU7709: C-MOS Output Type CMOS Technology Package Outline SOT-23-5 (MTP5) PIN CONFIGURATION 5 4 123 NJU7708/09F PIN FUNCTION 1. D1 2. VSS 3. D2 4. VOUT 5. VDD DETECTION VOLTAGERANK LIST Device Name VDET NJU7708/09F15 1.5V NJU7708/09F27 2.7V NJU7708/09F42 4.2V NJU7708/09F06 6.0V Logical Table of Delay Time D1 D2 DELAY H H 0mS H L 50mS L H 100mS L L 200mS Ver.2004-03-09 -1- NJU7708/09 EQUIVALENT CIRCUIT NJU7708 VDD NJU7709 Delay Circuit Vref V OUT Vref Delay Circuit V OUT V SS D1 D2 D1 D2 -2- Ver.2004-03-09 NJU7708/09 NJU7708 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VDD Output Voltage VOUT Output Current IOUT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg RATINGS +10 VSS-0.3 +10 50 200 -40 +85 -40 +125 (Ta=25C) UNIT V V mA mW C C ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Detection Voltage VDET Hysterisis Voltage Quiescent Current Output Current Output Leak Current Detection Voltage Temperature Coefficient Delay Time VHYS ISS IOUT ILEAK TEST CONDITION MIN. -1.0% 70 TYP. - 90 1.0 1.3 2.0 7.0 - 100 100 50 100 200 - - - (Ta=25C) MAX. UNIT +1.0% V 130 1.7 2.2 - - 0.1 - 300 57.5 115 230 VDD 0.3 9 V A A mA mA A ppm/C S mS mS mS V V V VDD=VDET+1V Nch,VDS=0.5V VDD=VOUT=9V VDET=1.5V 1.9V Version VDET=2.0V 6.0V Version VDD=1.2V VDD=2.4V (2.7V Version) - - 0.75 4.5 - - VDET/Ta Ta=0 +85C D1=H, D2=H D1=H, D2=L D1=L, D2=H D1=L, D2=L td VD1_H/ VD2_H VD1_L/ VD2_L VDD VDD=VDET+1V, Delay Time control Voltage 25 42.5 85 170 1.5 0 0.7 Operating Voltage (*note 1) RL=100k (*note 1): The minimum Operating Voltage(VOPL) indicates the same value of the output voltage(VOUT) on condition that VOUT becomes 10% or less of the input voltage(VDD). Ver.2004-03-09 -3- NJU7708/09 TEST CIRCUIT Quiescent Current TEST CIRCUIT Detection Voltage /Minimum Operating Voltage TEST CIRCUIT ISS A V DD V DET / V OPL V OUT V DD D2 D1 V V DD RL V OUT V D2 V OUT NJM7708 D1 NJM7708 V SS V SS Leak Current/Output Current TEST CIRCUIT Delay Time=0mS TEST CIRCUIT Oscilloscope IOUT / ILEAK V DD V DD D1 V OUT A V DD V DD V OUT RL ch1 ch2 NJM7708 D2 V OUT / V DS NJM7708 D1 D2 V SS V SS Delay Time=50mS TEST CIRCUIT Oscilloscope Delay Time=100mS TEST CIRCUIT Oscilloscope RL V DD V DD V OUT ch1 ch2 RL V DD V DD V OUT ch1 ch2 NJM7708 D1 D2 NJM7708 D1 D2 V SS V SS -4- Ver.2004-03-09 NJU7708/09 Delay Time=200mS TEST CIRCUIT Oscilloscope RL V DD V DD V OUT ch1 ch2 NJM7708 D1 D2 V SS TYPICAL APPLICATION 1 Power Supply Voltage Supervisory Circuit V DD RL V DD V OUT NJM7708 D1 D2 Reset Signal INPUT Micro-Processor etc V SS 2 Power Supply Voltage Supervisory Circuit (Another Power Supply to Micro-Processor) V DD1 V DD2 RL V DD V OUT NJM7708 D1 D2 Reset Signal INPUT Micro-Processor etc V SS Ver.2004-03-09 -5- NJU7708/09 NJU7709 ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VDD Output Voltage VOUT Output Current IOUT Power Dissipation PD Operating Temperature Topr Storage Temperature Tstg RATINGS +10 VSS-0.3 +10 50 200 -40 +85 -40 +125 (Ta=25C) UNIT V V mA mW C C ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Detection Voltage VDET Hysterisis Voltage VHYS Quiescent Current ISS TEST CONDITION VDD=VDET+1V Nch, VDS=0.5V Output Current IOUT Pch, VDS=0.5V MIN. -1.0% 70 VDET=1.5V 1.9V Version - VDET=2.0V 6.0V Version - VDD=1.2V 0.75 4.0 VDD=2.4V(2.7V Version) 2.0 VDD=4.8V(3.9V Version) VDD=6.0V(4.0V5.6V Version) 2.5 3.0 VDD=8.4V (5.7V Version) - TYP. - 90 1.0 1.3 2.0 7.0 3.5 4.0 5.0 100 100 50 100 200 - - - (Ta=25C) MAX. UNIT +1.0% V 130 V 1.7 A 2.2 A mA - mA - mA - mA - mA - - 300 57.5 115 230 VDD 0.3 9 ppm/C S mS mS mS V V V Detection Voltage Temperature Coefficient VDET/Ta Ta=0 +85C D1=H, D2=H D1=H, D2=L D1=L, D2=H D1=L, D2=L Delay Time td VDD=VDET+1V, 25 42.5 85 170 1.5 0 Delay Time control Voltage VD1_H/ VD2_H VD1_L/ VD2_L VDD RL=100k Operating Voltage (*note 2) 0.8 (*note 2): The minimum Operating Voltage(VOPL) indicates the same value of the output voltage(VOUT) on condition that VOUT becomes 10% or less of the input voltage(VDD). -6- Ver.2004-03-09 NJU7708/09 TEST CIRCUIT Quiescent Current TEST CIRCUIT Detection Voltage TEST CIRCUIT ISS A V DD V DET / V OPL V OUT V DD D2 D1 V V DD V OUT V D2 V OUT NJM7709 D1 NJM7709 V SS V SS Nch Output Current TEST CIRCUIT Pch Output Current TEST CIRCUIT V DS IOUT V DD V DD D1 V OUT A V DD D2 V DS D1 V DD V OUT A IOUT D2 NJM7709 NJM7709 V SS V SS Delay Time=0mS TEST CIRCUIT Oscilloscope Delay Time=50mS TEST CIRCUIT Oscilloscope ch1 ch2 ch1 ch2 V DD V DD V OUT V DD V DD V OUT NJM7709 D1 D2 NJM7709 D1 D2 V SS V SS Ver.2004-03-09 -7- NJU7708/09 Delay Time=100mS TEST CIRCUIT Oscilloscope Delay Time=200mS TEST CIRCUIT Oscilloscope ch1 ch2 ch1 ch2 V DD V DD V OUT V DD V DD V OUT NJM7709 D1 D2 NJM7709 D1 D2 V SS V SS Minimum Operating Voltage TEST CIRCUIT V OPL V DD V V DD D1 V OUT RL NJM7709 D2 V V OUT V SS TYPICAL APPLICATION 1Power Supply Voltage Supervisory Circuit V DD V DD V OUT NJM7709 D1 D2 Reset Signal INPUT Micro-Processor etc V SS -8- Ver.2004-03-09 NJU7708/09 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. Ver.2004-03-09 -9- |
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