R5VL20C データシートの表示（PDF） - RICOH Co.,Ltd.

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R5VL20C

VOLTAGE DETECTOR

RICOH Co.,Ltd. 

R×5VL SERIES

APPLICATION MANUAL

CONTENTS

OUTLINE ......................................................................................................1

FEATURES....................................................................................................1

APPLICATIONS .............................................................................................1

BLOCK DIAGRAMS.......................................................................................2

TIME CHART.................................................................................................2

DEFINITION OF OUTPUT DELAY TIME tplh....................................................2

SELECTION GUIDE .......................................................................................4

PIN CONFIGURATION ...................................................................................5

PIN DESCRIPTION ........................................................................................5

ABSOLUTE MAXIMUM RATINGS ...................................................................6

ELECTRICAL CHARACTERISTICS ................................................................7

ELECTRICAL CHARACTERITICS BY DETECTOR THRESHOLD....................10

OPERATION ................................................................................................14

TEST CIRCUITS...........................................................................................15

TYPICAL CHARACTERISTICS......................................................................16

1) Supply Current vs. Input Voltage .........................................................................16

2) Detector Threshold vs. Temperature .....................................................................16

3) Output Voltage vs. Input Voltage .........................................................................17

4) Nch Driver Output Current vs. VDS .......................................................................18

5) Nch Driver Output Current vs. Input Voltage .............................................................18

6) Pch Driver Output Current vs. Input Voltage..............................................................19

7) Output Delay Time vs. Load Capacitance ................................................................20

TYPICAL APPLICATIONS ............................................................................21

• R×5VL××A CPU Reset Circuit(Nch Open Drain Output).....................................................21

• R×5VL××C CPU Reset Circuit (CMOS Output) ..............................................................21

• R×5VL××A Output delay Time Circuit .......................................................................21

• Memory Back-up Circuit....................................................................................21

• Voltage Level Indicator Circuit (lighted when the power runs out) ..........................................22

• Detector Threshold Changing Circuit.......................................................................22

• Window Comparator Circuit ................................................................................22

• Excessive Charge Preventing Circuit.......................................................................22

PACKAGE DIMENSIONS ..............................................................................24

TAPING SPECIFICATIONS ...........................................................................25

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