Ricoh R3111x Series Manual de usuario Pagina 1

R3114x SERIES 0.8% LOW VOLTAGE DETECTOR NO.EA-160-080226 1 OUTLINE The R3114x series are CMOS-based voltage detector ICs with high detector thresho

R3114x 10 OPERATION • Operation of R3114xxx1A Vref Ra Rb Rc VDDOUTGNDTr.1 NchComparator OUT pin should be pulled-up toVDD or an external voltage l

R3114x 11 • Operation of R3114xxx1C Vref Ra Rb Rc VDD OUT GND Tr.1NchPchComparator Block Diagram (R3114xxx1C) tPLHGND GND VDDL-VDET+VDETDetector

R3114x 12 TEST CIRCUITS GND VDD VIN ISS R3114xSeries GNDVDDVINR3114xSeriesOUT 470kΩ 5V or VDD VOUT Supply Current Test Circuit Detector Th

R3114x 13 TYPICAL CHARACTERISTICS 1) Supply Current vs. Input Voltage R3114x071A/C R3114x151A/C 04256317Input Voltage VDD (V)Supply Current ISS

R3114x 14 R3114x271A/C R3114x451A/C Temperature Topt (°C)2.652.902.852.802.752.70-VDET+VDET-40 7550025-25 85Detector Threshold/Released VoltageV

R3114x 15 R3114x071A R3114x151A 0 0.80.4 0.60.2 1.0Input Voltage VDD (V)Output Voltage VOUT (V)0632145470kΩ 5V Pull-UpTopt=- 40°CTopt=25°CTopt=85

R3114x 16 R3114x271A/C R3114x451A/C 0 2.01.0 2.51.50.5 3.0Input Voltage VDD (V)Nch Driver Output Current IOUT (mA)07.54.56.03.01.5Topt=- 40°CTop

R3114x 17 6) Pch Driver Output Current vs. Input Voltage (VDS=−2.1V) R3114x071C R3114x151C 06352417Input Voltage VDD (V)Pch Driver Output Cur

R3114x 18 R3114x271C R3114x451C 0425316VDS (V)Pch Driver Output Current IOUT (mA)02.51.00.51.52.0VDD=5.0VVDD=4.0VVDD=6.0VVDD=3.0V 0425316VDS (V)

R3114x 19 TYPICAL APPLICATION • R3114xxx1A CPU Reset Circuit 1 (Nch Open Drain Output) Case1. Input Voltage to R3114xxx1A is equal to Input Voltage

R3114x 2 BLOCK DIAGRAMS Nch Open Drain Output (R3114xxx1A) CMOS Output (R3114xxx1C) OUTVDD Vref GND OUTVDD GNDVref SELECTION GUIDE The p

R3114x 20 • Voltage level Indicator Circuit (lighted when the power runs out) (Nch Open Drain Output) R3114xxx1A Series VDD GND OUT VDD • Dete

R3114x 21 • Window Comparator Circuit (Nch Open Drain Output) R3114xxx1A VDD GND OUT VDDR3114xxx1A Series VDD GND OUT −VDET1 WC_OUTSeries Rup1 Rup2

R3114x 22 TECHNICAL NOTES When R3114xxx1A/C is used in Figure X, if the value of R1 is set excessively large, the dropdown voltage caused by the c

PACKAGE INFORMATION PE-DFN(PLP)1010-4-071010 • DFN(PLP)1010-4 Unit: mm PACKAGE DIMENSIONS AB1.001.000.050.05 S× 40.05 ABSM0.25±0.050.48±0.050.25±0

PACKAGE INFORMATION PE-DFN(PLP)1010-4-071010 POWER DISSIPATION (DFN(PLP)1010-4) This specification is at mounted on board. Power Dissipation (PD) d

PACKAGE INFORMATION PE-SOT-23-5-071228 • SOT-23-5 (SC-74A) Unit: mm PACKAGE DIMENSIONS 2.9±0.2 0.4±0.11.9±0.2 (0.95) (0.95)54123+0.2−0.11.6+0.2−0

PACKAGE INFORMATION PE-SOT-23-5-071228 POWER DISSIPATION (SOT-23-5) This specification is at mounted on board. Power Dissipation (PD) depends on co

PACKAGE INFORMATION PE-SC-82AB-0512 • SC-82AB Unit: mm PACKAGE DIMENSIONS 0.3±0.232141.3±0.20.3±0.1 0.3±0.1(0.7)0.9±0.10 to 0.10.3±0.10.4±0.10.05

PACKAGE INFORMATION PE-SC-82AB-0512 POWER DISSIPATION (SC-82AB) This specification is at mounted on board. Power Dissipation (PD) depends on condit

MARK INFORMATIONME-R3114K-080222 R3114K SERIES MARK SPECIFICATION • DFN(PLP)1010-4 1 2 4 3 1 2 3 4 1, 2 : Product Code (refer to Part Number v

R3114x 3 PIN CONFIGURATIONS • DFN(PLP)1010-4* Top View 21 34 Bottom View 1243 • SOT-23-5 • SC-82AB 1 4 5 23 (mark side) 12 3 4(mark side)

MARK INFORMATIONME-R3114N-080222 R3114N SERIES MARK SPECIFICATION • SOT-23-5 (SC-74A) 1 2 3 4 5 1 to 3 : Product Code (refer to Part Number

MARK INFORMATIONME-R3114Q-080222 R3114Q SERIES MARK SPECIFICATION • SC-82AB 2 4 1 3 1, 2 : Product Code (refer to Part Number vs. Product Code) 3

R3114x 4 ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Unit VDD Supply Voltage 7.0 V Output Voltage (Nch Open Drain Output) VSS−0.3 to 7.0 VOUTOut

R3114x 5 ELECTRICAL CHARACTERISTICS • R3114x071A/C values indicate −40°C< = Topt< = 85°C, unless otherwise noted. Topt=25°C Symbol It

R3114x 6 • R3114x271A/C values indicate −40°C< = Topt< = 85°C, unless otherwise noted. Topt=25°C Symbol Item Conditions Min. Typ. M

R3114x 7 TIMING CHART Detector ThresholdtPLHGND GND VDDL -VDET +VDET Detector Threshold Released Voltage Minimum Operating VoltagePull-up Voltage Su

R3114x 8 ELECTRICAL CHARACTERISTICS BY DETECTOR THRESHOLD • R3114x071A/C to R3114x501A/C < < Bold values are checked and guaranteed by design

R3114x 9 Nch Driver Output Current1 Nch Driver Output Current2 Pch Driver Output Current Nch Driver Leakage Current Detector Threshold Temperat