R311H151C 데이터 시트보기 (PDF) - RICOH Co.,Ltd.
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R311H151C Datasheet PDF : 20 Pages
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q Voltage level Indicator Circuit (lighted when the power runs out)
(Nch Open Drain Output)
VDD
VDD
R3111XXX1A
OUT SERIES
GND
q Detector Threshold Adjustable Circuit
(Nch Open Drain Type Output)
OUT
VDD
R3111XXX1A
SERIES
+
GND
C
VDD
Ra
Rb
Adjusted Detector Threshold
=(-VDET)*(Ra+Rb)/Rb
Hysteresis Voltage
=(VHYS)*(Ra+Rb)/Rb
*) If the value of Ra is set excessively large, voltage drop may occur
caused by the supply current of IC itself, and detector threshold may
vary.
q Window Comparator Circuit
(Nch Open Drain Output)
VDD
VDD
VDD
VDD
R3111XXX1A OUT
SERIES VDET1
R3111XXX1A OUT
SERIES VDET2
GND
OUT
VSS
OUT
GND
VSS
q Over-charge Preventing Circuit
Light
R1
D1
R2
VDD
R4
R3111XXX1C
R3 OUT SERIES
GND
VDET1 VDET2
Rev.1.10
- 19 -
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