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| NCMOS Low Power Consumption N2 Voltage Detectors Built-in NDetect Voltage Accuracy : 2% NDetect Voltage Range NSOT-25 Package : 1.5V ~ 5.0V GMemory battery back-up circuitry GMicroprocessor reset circuits GPower failure detection GSystem power-on reset circuits GSystem battery life monitors and re-charge voltage monitors GDelay circuitry 2 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 supply pin for both detector 1 (VD1) and detector 2 (VD2). Highly accurate Low-power consumption Detect voltage : Set-up voltage accuracy 2% : Typ.2.0A (VIN1=VIN2=2.0V, quiescent state) : 1.5V ~ 5.0V programmable in 0.1V steps. Detector's voltages can be set-up independently Conditionaly, XC612N : VDET1>VDET2 XC612D, XC612E : VDET1VDET2, VDET1 SUPPLY CURRENT vs. INPUT VOLTAGE Supply Current: Iss (A) Input Voltage: VIN1 (V) 169 PIN NUMBER 1 2 3 4 PIN NAME VDET1 VIN1 VSS VIN2 VDET2 FUNCTION Voltage Detector 1 output Detector 1 input, Power Supply. Ground Voltage Detector 2 Input Voltage Detector 2 Output 2 5 GSelection Guide GOrdering Information XC612 x x x x x x x DESIGNATOR a DESCRIPTION Output Configuration: N=N-Channel Open Drain D=VDET1 N-ch Open Drain, VDET2 CMOS E=VDET1 CMOS, VDET2 N-ch Open Drain Detect Voltage (VDET1) e.g.25=2.5V 38=3.8V Detect Voltage (VDET2) e.g.33=3.3V 50=5.0V DESIGNATOR DESCRIPTION d Package Type: M=SOT-25 b e c Device Orientation R=Embossed Tape (Orientation of Device: Right) L=Embossed Tape (Orientation of Device: Left) 170 GSOT-25 2 q we r 171 XC612N Series XC612D Series 2 XC612E Series 172 2 173 PARAMETER Detect Voltage VDET1 Detect Voltage VDET2 Hysteresis Range 1 SYMBOL VDF1 VDF2 VHYS1 VHYS2 CONDITIONS Voltage when VDET1 changes from H to L following a reduction of VIN1 Voltage when VDET2 changes from H to L following a reduction of VIN2 Voltage (VDR1) - VDF1 when VDET1 changes from L to H following an increase of VIN1 Voltage (VDR2) - VDF2 when VDET2 changes from L to H following an increase of VIN2 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 VDS = 0.5V VIN1=1.0V VIN1=2.0V VIN1=3.0V VIN1=4.0V VIN1=5.0V VDS = -2.1V VIN1=8.0V (CMOS) -30: Topr 80: MIN VDF1 x 0.98 VDF2 x 0.98 TYP VDF1 VDF2 MAX VDF1 x 1.02 VDF1 x 1.02 UNITS CIRCUIT V V V 1 1 1 1 2 VDF1(T) VDF1(T) VDF1(T) x 0.02 x 0.05 x 0.08 VDF2(T) VDF2(T) VDF2(T) x 0.02 x 0.05 x 0.08 1.35 1.50 1.95 2.40 3.00 0.45 0.50 0.65 0.80 1.00 1.5 0.3 3.0 5.0 6.0 7.0 2.2 7.7 10.1 11.5 13.0 -10.0 -2.0 3.90 4.50 5.10 5.70 6.30 1.30 1.50 1.70 1.90 2.10 10 Hysteresis Range 2 Supply Current (Input Current VIN1) ISS A 2 Input Current VIN2 IIN2 A 2 Operating Voltage VIN1 V - Output Current* IVDET P-ch mA 3 Temperature Characteristics* Transient Delay Time* (Release Voltage Output Conversion) VDF Topr * VDF tDLY 100 - ppm/: - (VDR VOUT conversion) 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 GTiming Chart (Pull up voltage =Input voltage VIN1) 2 GOperational Notes (N-ch Open drain) q w e r t y 175 GNotes on Use 2 GN.B. x 176 Circuit 1. 2 * A resistor is not needed if the product is CMOS output type. Circuit 2. Circuit 3. 177 2 Circuit 4. 178 (1) SUPPLY CURRENT vs. INPUT VOLTAGE Supply Current: Iss (A) Input Current: IIN2 (A) 2 Input Voltage: VIN2 (V) Input Voltage: VIN1 (V) (2) DETECT & RELEASE VOLTAGE vs. AMBIENT TEMPERATURE Detect, Release Voltage : VDF1, VDR1 (V) Ambient Temp.: Topr (:) Detect, Release Voltage : VDF2, VDR2 (V) Ambient Temp.: Topr (:) Note : Unless otherwise stated, pull up resistance = 100k with N-ch open drain output types. (3) OUTPUT VOLTAGE vs. INPUT VOLTAGE Output Voltage: VDET1 (V) Input Voltage: VIN1 (V) Output Voltage: VDET2(V) Input Voltage: VIN2 (V) 179 2 180 Output Current: IVET1 ( Output Current: IVDET1 (mA) A) Output Current: IVET1 (mA) (4) N-CH DRIVER OUTPUT CURRENT vs. VDS (5) N-CH DRIVER OUTPUT CURRENT vs. INPUT VOLTAGE Input Voltage: VIN1 (V) Output Current: IVET2 ( A) Output Current: IVET2 (mA) Output Current: IVDET2 (mA) Input Voltage: VIN2 (V) GWindow comparator circuit (Example covers N-channel open drain product's circuits.) 2 GDetect voltages above respective established voltages circuit (Example covers N-channel open drain product's circuits.) / x /x GVoltage detect circuit with delay built-in (Example covers N-channel open drain product's circuits.) 181 |
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