R5101G RICOH Co.,Ltd., R5101G Datasheet
R5101G
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R5101G Summary of contents
Page 1
... Each of these ICs consists of a voltage regulator, a voltage detector and a watchdog timer. Thus, the R5101G Series have the function of a power management for microprocessor, a monitor of the voltage of a power source and a microprocessor supervisor. ...
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... R5101G BLOCK DIAGRAMS RESET SELECTION GUIDE The selection can be made with designating the part number as shown below: R5101Gxxxx-TR ←part Number ↑ ↑ ↑ Code PIN CONFIGURATION WDT Vref2 Designation of Package Type; G:SSOP8G Serial Number for Voltage setting from001 ...
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... Detector Threshold and Watchdog Timer Reset.) Item Voltage of C Pin D Voltage of C Pin TW Voltage of V Pin OUT Voltage of RESET Pin Voltage of CE Pin Voltage of SCK Pin Current of V Pin OUT Current of RESET Pin R5101G Topt=25°C, V =0V SS Rating Unit -0.3 ∼ -0.3 ∼ +0 -0.3 ∼ +0.3 ...
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... R5101G ELECTRICAL CHARACTERISTICS R5101G001A Symbol Item V Operating Voltage DD Iss-On Supply Current (WDT active) Iss-Off Supply Current (WDT inactive) V Output Voltage OUT I Output Current OUT V Dropout Voltage DIF Load Regulation ∆ ∆ I OUT OUT ∆ ∆ V Line Regulation OUT DD I Current Limit (Short mode) LIM ∆ ...
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... V =5. =SCK=5. =5.3V, SCK=GND DD V =1.5V, V =0. =1.5V, V =0. =1.5V, V =0. =10.0V, CE=GND =10. =5.3V 500 DD R5101G Topt=25°C Typ. Max. Unit µ µA 3.300 3.382 500 850 mV 50 100 mV 0.1 0.2 %/ 100 mA ppm/ ± 100 ° C 3.000 3 ...
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... R5101G R5101G003A Symbol Item V Operating Voltage DD Iss-On Supply Current (WDT active) Iss-Off Supply Current (WDT inactive) V Output Voltage OUT I Output Current OUT V Dropout Voltage DIF ∆ ∆ I Load Regulation OUT OUT ∆ ∆ V Line Regulation OUT DD I Current Limit (Short mode) LIM ∆ ...
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... V V =7. =SCK=7. =7.0V, SCK=GND DD V =1.5V, V =0. =1.5V, V =0. =1.5V, V =0. =10.0V, CE=GND =10. =7.0V DD R5101G Topt=25 ° C Typ. Max. Unit µ µA 5.000 5.125 100 350 650 mV 50 100 mV 0.1 0.2 %/ 100 mA ppm/ ± 100 ° ...
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... R5101G R5101G005A Symbol Item V Operating Voltage DD Iss-On Supply Current (WDT active) Iss-Off Supply Current (WDT inactive) V Output Voltage OUT I Output Current OUT V Dropout Voltage DIF ∆ ∆ I Load Regulation OUT OUT ∆ ∆ V Line Regulation OUT DD I Current Limit (Short mode) LIM ∆ ...
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... CE pin must be avoided. R5101GxxxSeries RESET CE GND V OUT for setting watchdog and reset time-out periods. W and GND, and between V DD OUT 2H-V 2H/20) REF REF REF 2L+V 2L/ REF REF REF R5101G µ con. D OUT RESET 510kΩ 1µF and GND and make its wiring as 9 ...
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... R5101G OPERATION DIAGRAM V DD Vstart +V DET -V DET Detector Threshold Hysteresis V OUT t PR Vref2H V CD Vref2H V CTW Vref2L T SCKW V SCK RESET ...
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... Output Voltage of the Voltage is kept “L” level RESET becomes to RESET pin and the timing of reverse DD can be calculated as shown below; t pin. D can be calculated as shown below pin. W (ms) ≈ DET R5101G (ms) ≈ pin from TW 11 ...
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... R5101G TEST CIRCUITS Test Circuit of Supply Current RESET SCK CE GND V OUT Test Circuit of Detector Threshold(V 470k RESET CE V GND V OUT Test Circuit of SCK Input Current RESET SCK CE GND V OUT Test Circuit of RESET Output leakage Current RESET CE GND V OUT ...
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... R5101G003,004A V DD 85°C -40°C 0°C 0 100 200 300 Output Current I (mA) OUT R5101G003,004A Topt =25°C 0mA 30mA 10mA Input Voltage V (V) DD R5101G003,004A V =7.0V DD 85°C -40°C 25° Output Current I (mA) OUT R5101G =7V 400 ...
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... Pull-up 510kΩ 1.5 2.0 2.5 3.0 ( =0.5V DS -40°C 25°C 85° (V) DD R5101G003,004A V =7.0V 5.10 5.05 5.00 4.95 4.90 -50 - Temperature Topt (°C) R5101G001A 2.90 2.85 +Vdet 2.80 2.75 2.70 -Vdet 2.65 2.60 -50 - Temperature Topt (°C) Pin Output Current vs. Input Voltage TW R5101G001A -40°C 6 25° 0.5 1 1.5 2 Input Voltage V ...
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... Pin 14 100000 10000 1000 100 10 1 0.1 1.E-07 1.E-06 1.E-08 R5101G001A -50 - Input Voltage V (V) DD R5101G001A -50 - Temperature Topt (°C) vs. External Capacitance R5101G001A 1.E-07 C External Capacitance Pin (F) TW R5101G 100 100 Pin 1.E-06 15 ...
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... ON) 17) Supply Current vs. Temperature (W DT Topt=25 ° (V) DD OFF) 19) Supply Current vs. Temperature (W DT Topt=25 ° (V) DD ON) DT R5101G001A -50 - Temperature Topt (°C) OFF) DT R5101G001A -50 -25 ...