Series 2ChannelVoltageDetectors CMOS Low Power Consumption Applications 2 Voltage Detectors Built-in Memory battery back-up circuitry Detect Voltage Range 2 Microprocessor reset circuits Detect Voltage Accuracy : 2% : 1.5V ~ 5.0V SOT-25 Package Power failure detection System power-on reset circuits System battery life monitors and re-charge voltage monitors Delay circuitry GeneralDescription Features The XC612 series consist of 2 voltage detectors, in 1 mini-molded, SOT25 package. The series provides accuracy and low power consumption through CMOS processing and laser trimming and consists of a highly accurate voltage reference source, 2 comparators, hysteresis and output driver circuits. The input (VIN1) for voltage detector 1 (VD1) dually functions as the power Highly accurate Low-power consumption : Set-up voltage accuracy 2% : Typ.2.0A (VIN1=VIN2=2.0V, quiescent state) Detect voltage : 1.5V ~ 5.0V programmable in 0.1V steps. Detector's voltages can be set-up independently Conditionaly, XC612N : VDET1>VDET2 XC612D, XC612E : VDET1VDET2, supply pin for both detector 1 (VD1) and detector 2 (VD2). VDET1<VDET2 Operating Voltage Range : 1.5V ~ 10.0V Temperature characteristics : 100ppm/C Output configuration : N-channel open drain Small package : SOT-25 (150mW) mini-mold * CMOS Output is under development TypicalApplicationCircuit VIN1 VIN2 R TypicalPerformance Characteristic SUPPLY CURRENT vs. INPUT VOLTAGE VDET1 VDET2 VSS R=100k Supply Current: Iss (A) VIN VDET1CMOS,VDET2N-chOpendrain (VIN1VIN2) 6.0 5.0 4.0 25 Ta=80 3.0 2.0 -30 1.0 0 0 2 4 6 8 10 Input Voltage: VIN1 (V) 169 XC612Series PinConfiguration VDET2 5 1 IN2 4 2 PIN NUMBER PIN NAME FUNCTION 1 VDET1 Voltage Detector 1 output 2 VIN1 Detector 1 input, Power Supply. 3 3 VSS Ground VSS 4 VIN2 Voltage Detector 2 Input SOT-25 TOPVIEW 5 VDET2 Voltage Detector 2 Output VDET1 VIN1 2 PinAssignment ProductClassification Selection Guide Type VDET1 VDET2 XC612N N-chOpendrain N-chOpendrain XC612D N-chOpendrain CMOS XC612E CMOS N-chOpendrain Ordering Information XC612 x x x x x x x a b c d e DESIGNATOR a 170 DESCRIPTION Output Configuration: N=N-Channel Open Drain D=VDET1 N-ch Open Drain, VDET2 CMOS E=VDET1 CMOS, VDET2 N-ch Open Drain b Detect Voltage (VDET1) e.g.25=2.5V 38=3.8V c Detect Voltage (VDET2) e.g.33=3.3V 50=5.0V DESIGNATOR DESCRIPTION d Package Type: M=SOT-25 e Device Orientation R=Embossed Tape (Orientation of Device: Right) L=Embossed Tape (Orientation of Device: Left) XC612 Series PackagingInformation SOT-25 +0.1 0.15 -0.05 0.4 +0.1 -0.05 +0.2 -0.1 2 0.2min 1.6 2.80.2 00.1 0.95 1.10.1 1.90.2 2.90.2 Marking SOT-25 (TOPVIEW) qRepresentstheoutputconfiguration DESIGNATOR CONFIGURATION PRODUCTNAME VDET1 VDET2 N N-chOpendrain N-chOpendrain XC612N****M* D N-chOpendrain CMOS XC612D****M* E CMOS N-chOpendrain XC612E****M* weRepresentstheentryorder. rDenotestheproductionlotnumber 0to9,AtoZrepeated.(G.I.J.O.Q.Wexcepted) 171 XC612Series BlockDiagram XC612N Series XC612D Series VIN1 VIN1 VDET1 VDET1 2 VIN2 VIN2 VDET2 VDET2 VSS VSS Vref Vref XC612E Series VIN1 VDET1 VIN2 VDET2 VSS Vref 172 XC612 Series AbsoluteMaximumRatings Ta25 PARAMETER SYMBOL CONDITIONS UNITS InputVoltageVIN1 VIN1 12 V InputVoltageVIN2 VIN2 12 V OutputVoltageVDET1(N-chOpendrain) VVDET1 VSS-0.312 V OutputVoltageVDET1(CMOS) VVDET1 VSS-0.3VIN10.3 V OutputCurrentVDET1 IVDET1 50 mA V OutputVoltageVDET2(N-chOpendrain) VVDET2 VSS-0.312 OutputVoltageVDET2(CMOS) VVDET2 VSS-0.3VIN10.3 V OutputCurrentVDET2 IVDET2 50 mA PowerDissipation Pd 150 mW OperatingAmbientTemperature Topr -3080 StorageTemperature Tstg -40125 2 173 XC612Series ElectricalCharacteristics PARAMETER 2 SYMBOL CONDITIONS MIN TYP MAX Detect Voltage VDET1 VDF1 Voltage when VDET1 changes from H to L following a reduction of VIN1 VDF1 x 0.98 VDF1 VDF1 x 1.02 V 1 Detect Voltage VDET2 VDF2 Voltage when VDET2 changes from H to L following a reduction of VIN2 VDF2 x 0.98 VDF2 VDF1 x 1.02 V 1 Hysteresis Range 1 VHYS1 Voltage (VDR1) - VDF1 when VDET1 changes from L to H following an increase of VIN1 VDF1(T) VDF1(T) VDF1(T) x 0.02 x 0.05 x 0.08 V 1 Hysteresis Range 2 VHYS2 Voltage (VDR2) - VDF2 when VDET2 changes from L to H following an increase of VIN2 VDF2(T) VDF2(T) VDF2(T) x 0.02 x 0.05 x 0.08 Supply Current (Input Current VIN1) ISS Input Current VIN2 IIN2 Operating Voltage VIN1 VIN1=1.5V 2.0V 3.0V 4.0V 5.0V VIN1=1.5V 2.0V 3.0V 4.0V 5.0V VDF (T) = 1.5V to 6.0V N-ch Output Current* 1.5 VDS = 0.5V VIN1=1.0V VIN1=2.0V VIN1=3.0V VIN1=4.0V VIN1=5.0V IVDET VDS = -2.1V VIN1=8.0V (CMOS) P-ch 1.35 1.50 1.95 2.40 3.00 0.45 0.50 0.65 0.80 1.00 Temperature Characteristics* VDF Topr * VDF -30: Topr 80: Transient Delay Time* (Release Voltage Output Conversion) tDLY (VDRVOUT conversion) 0.3 3.0 5.0 6.0 7.0 3.90 4.50 5.10 5.70 6.30 1.30 1.50 1.70 1.90 2.10 10 2.2 7.7 10.1 11.5 13.0 UNITS CIRCUIT 1 A 2 A 2 V - mA 3 -10.0 -2.0 100 - ppm/: - 0.2 ms 5 1. VDF1(T), VDF2(T) : User specified detect voltage. 2. Release voltage (VDR) = VDF +VHYS 3. Those parameters marked with an asterisk apply to both VDET1 and VDET2. 4. Input Voltage : please ensure that VIN1 > VIN2 (Input voltage of XC612D and XC612E series : please ensure that VIN1 VIN2, VIN1< VIN2.) 5. VIN1 pin serve both ISS and power supply pin so that VIN2 operates VIN1 as a power supply source. For normal operation of VIN2, operating voltage higher than the minimum is needed to be applied to power supply pin VIN1. 6. For CMOS output products, high level output voltage which is generated when the transient response is released becomes input voltage of VIN. 174 XC612 Series OperatingExplanation Timing Chart (Pull up voltage =Input voltage VIN1) InputVoltageVIN1 6 ReleaseVoltageVDR1 DetectVoltageVDF1 Min.OperatingVoltageVMIN GroundVoltageVSS 6 InputVoltageVIN2 ReleaseVoltageVDR2 2 DetectVoltageVDF2 Min.OperatingVoltageVMIN GroundVoltageVSS OutputVoltageVDET1 6 Min.OperatingVoltageVMIN GroundVoltageVSS OutputVoltageVDET2 6 Min.OperatingVoltageVMIN GroundVoltageVSS 1 2 3 4 5 1 2 A A 3 4 5 B B Operational Notes (N-ch Open drain) TimingChartA(VIN1=voltagesabovereleasevoltage,VIN2=sweepvoltage) Becauseavoltagehigherthantheminimumoperatingvoltageisappliedtothevoltageinputpin(VIN),groundvoltagewillbeoutputatthe outputpin(VDET)duringstage3.(Stages1,2,4,5arethesameasinBbelow). TimingChartB(VIN1=VIN2) q Whenavoltagegreaterthanthereleasevoltage(VDR)isappliedtothevoltageinputpin(VIN1,VIN2),inputvoltage(VIN1,VIN2)willgradually fall. Whenavoltagegreaterthanthedetectvoltage(VDF)isappliedtothevoltageinputpin(VIN1,VIN2),astateofhighimpedancewillexistat theoutputpin(VDET1,VDET2),soshouldthepinbepulledup,voltagewillbeequaltopullupvoltage. w Wheninputvoltage(VIN1,VIN2)fallsbelowdetectvoltage(VDF),outputvoltage(VDET1,VDET2)willbeequaltogroundlevel(VSS). e Shouldinputvoltage(VIN1,VIN2)fallbelowtheminimumoperationalvoltage(VMIN),outputwillbecomeunstable.ShouldVIN2 fallbelowVMIN, voltageattheoutputpin(VDET2)willbeequaltogroundlevel(VSS)ifthepowersupply(VIN1)iswithintheoperatingvoltagerange. *Ingeneraltheoutputpinispulledupsooutputwillbeequaltopullupvoltage. r Should input voltage (VIN1, VIN2) rise above ground voltage (VSS), output voltage (VDET1, VDET2) will equal ground level until the release voltagelevel(VDR)isreached. t Wheninputvoltage(VIN1,VIN2)risesabovereleasevoltage,theoutputpin's(VDET1,VDET2)voltagewillbeequaltothevoltagedependenton pullup. Note:Thedifferencebetweenreleasevoltage(VDR)anddetectvoltage(VDF)istheHysteresisRangey. 175 XC612Series Directionsforuse Notes on Use 1. PleaseusethisICwithinthespecifiedmaximumabsoluteratings. 2. PleaseensurethatinputvoltageVIN2islessthanVIN1+0.3V.(refertoN.B.1below) 3. WitharesistorconnectedbetweentheVIN1pinandtheinput,oscillationisliabletooccurasaresultofthroughcurrentat thetimeofrelease.(refertoN.B.2below) 4. WitharesistorconnectedbetweentheVIN1pinandtheinput,detectandreleasevoltagewillriseasaresultoftheIC'ssup- 2 plycurrentflowingthroughtheVIN1pin. 5.InordertostabilisetheIC'soperations,pleaseensurethattheVIN1pin'sinputfrequency'sriseandfalltimesaremorethan 5sec/V. 6.ShouldthepowersupplyvoltageVIN1exceed6V,voltagedetector2'sdetectvoltage(VDF2)andthereleasevoltage(VDR2) willshiftsomewhat. 7.ForCMOSoutputproducts,highleveloutputvoltagewhichisgeneratedwhenthetransientresponseisreleasedbecomes inputvoltageofVIN. N.B. N.B. 1. Voltagedetector2'sinputvoltage(VIN2) Aninputprotectdiodeisconnectedfrominputdetector2'sinput(VIN2)toinputdetector1'sinput.Therefore,should thevoltageappliedtoVIN2exceedVIN1,currentwillflowthroughVIN1viathediode.(refertodiagram1) 2. Oscillationasaresultofthroughcurrent SincetheXC612seriesareCMOSICs,throughcurrentwillflowwhentheIC'sinternalcircuitswitchingoperates (duringreleaseanddetectoperations).Consequently,oscillationisliabletooccurasaresultofdropsinvoltageat thethroughcurrent'sresistor(RIN)duringreleasevoltageoperations.(refertodiagram2) Sincehysteresisexistsduringdetectoperations,oscillationisunlikelytooccur. IN RIN XC612NSeries VIN1 RINxISS* voltagedrop VIN2 XC612NSeries VIN1 VDET1 VIN2 VDET2 VSS ISS* (includesthroughcurrent) Diagram1.Voltagedetector2'sinputvoltageVIN2 176 Diagram2.Throughcurrentoscillation XC612 Series TestCircuits Circuit 1. VIN1 R 100k VIN2 VDET1 VIN V VDET2 VDF1,VDF2 VHYS1,VHYS2 V VSS VDF1,VDF2 VHYS1,VHYS2 2 * A resistor is not needed if the product is CMOS output type. Circuit 2. ISS A A VIN1 VIN2 VIN IIN2 VDET1 VDET2 VSS Circuit 3. XC612NSeries VIN1 VIN2 VDET1 VIN IVDET VDET2 VDS VSS XC612DSeries VIN1 VIN VIN2 VDS IVDET VDET1 VDET2 VSS IVDET VDS 177 XC612Series XC612ESeries VIN1 VIN VIN2 VDS IVDET VDET1 VDET2 IVDET VDS VSS 2 Circuit 4. VIN waveform measurement VDR Time VIN1 VIN2 VDET1 100k VDET R waveform measurement Time VDET2 VSS 178 tDLY XC612 Series TypicalPerformanceCharacteristics (1) SUPPLY CURRENT vs. INPUT VOLTAGE (VIN1VIN2) 6.0 4.0 25 Input Current: IIN2 (A) Supply Current: Iss (A) 5.0 Ta=80 3.0 2.0 -30 1.0 (VIN110V) 6.0 5.0 4.0 2 3.0 Ta=80 25 2.0 1.0 -30 0 0 0 2 4 6 8 10 0 2 Input Voltage: VIN1 (V) 4 6 8 10 Input Voltage: VIN2 (V) (2) DETECT & RELEASE VOLTAGE vs. AMBIENT TEMPERATURE (VDF13.6V) VDR 3.8 3.7 VDF 3.6 3.5 3.4 -40 -20 0 20 40 60 (VDF23.2V) 3.5 Detect, Release Voltage : VDF2, VDR2 (V) Detect, Release Voltage : VDF1, VDR1 (V) 3.9 3.4 VDR 3.3 VDF 3.2 3.1 3.0 -40 80 Ambient Temp.: Topr (:) -20 0 20 40 60 80 Ambient Temp.: Topr (:) Note : Unless otherwise stated, pull up resistance = 100k with N-ch open drain output types. (3) OUTPUT VOLTAGE vs. INPUT VOLTAGE Topr=80 25 -30 4 3 2 1 0 (VDF23.2V) 5 Output Voltage: VDET2(V) Output Voltage: VDET1 (V) (VDF13.6V) 5 Topr=80 25 -30 4 3 2 1 0 0 1 2 3 4 Input Voltage: VIN1 (V) 5 0 1 2 3 4 5 Input Voltage: VIN2 (V) 179 XC612Series (4) N-CH DRIVER OUTPUT CURRENT vs. VDS VIN=3.5V 40 35 3.0 30 25 2.5V 20 2.0V 15 10 1.5V 5 (VDF23.2V) 45 Output Current: IVET2 (mA) Output Current: IVDET1 (mA) 2 (VDF13.6V) 45 0 40 35 VIN=3.0V 30 25 2.5V 20 2.0V 15 10 1.5V 5 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0 0.5 1.0 VIN=0.8V 500 400 300 2.5 3.0 3.5 0.7V 200 100 (VDF23.2V) 700 Output Current: IVET2 (A) Output Current: IVET1 (A) 600 2.0 (VDF13.6V) 700 1.5 VDS(V) VDS(V) 0 600 VIN=0.8V 500 400 300 0.7V 200 100 0 0 0.2 0.4 0.6 0.8 1.0 0 0.2 VDS(V) 0.4 0.6 0.8 1.0 VDS(V) (5) N-CH DRIVER OUTPUT CURRENT vs. INPUT VOLTAGE VDS=0.5V 18 Topr=-30 16 14 25 12 10 8 80 6 4 2 0 VDS=0.5V 18 16 Topr=-30 14 25 12 10 8 6 80 4 2 0 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Input Voltage: VIN1 (V) 180 (VDF23.2V) 20 Output Current: IVDET2 (mA) Output Current: IVET1 (mA) (VDF13.6V) 20 0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Input Voltage: VIN2 (V) XC612 Series TypicalApplicationCircuits Window comparator circuit (Example covers N-channel open drain product's circuits.) VIN VIN VDF1 R VDF2 R VOUT VIN1 VSS VDET1 Time VOUT VIN2 VDET2 2 VSS VSS VSS VSS Time Detect voltages above respective established voltages circuit (Example covers N-channel open drain product's circuits.) VDD VIN R R1 VIN1 VDET1 VIN2 VDET2 VOUT VSS R2 VSS VSS NotesonresistorsR1andR2's(1),(2)functions: Detectvoltage={(R1+R2)/R2}xVDF2 N.B.VDF2=detectvoltageVD2 Pleaseset-upsothat Hysteresis(VHYS2)={(R1+R2)/ }xVHYS2 (1) (2) Note:Pleaseensurethatinputvoltage2(VIN2)islessthanVIN1+0.3V Voltage detect circuit with delay built-in (Example covers N-channel open drain product's circuits.) VDD R D RD VIN1 VDET1 VIN2 CD VSS VDET2 VSS VSS Note:Delayoperatesatbothtimesofrelease anddetectoperations. 181