RN5VS
• Voltage Level Indicator Circuit (lighted when the power runs out)
( Nch Open Drain Output)
VDD
VDD
OUT RN5VS××A
SERIES
GND
• Detector Threshold Changing Circuit
(Nch Open Drain Output)
VDD
Ra
OUT RN5VS××A VDD
SERIES
C
Rb
GND
• Window Comparator Circuit
(Nch Open Drain Output)
VDD
VDD
VDD
RN5VS××A OUT
SERIES VDET1
GND
RN5VS××A OUT
SERIES VDET2
GND
OUT
• Excessive Charge Preventing Circuit
Ra + Rb
Changed Detector Threshold =
· (–VDET )
Rb
Ra + Rb
Hysteresis Voltage =
· VHYS
Rb
(Note) Please note that when the value of Ra becomes excessively large, the detector
threshold detected may differ from the value calculated by use of the above for-
mula.
VDD
VDET1
VDET2
VSS
OUT
VSS
Light
R1
D1
R2
VDD
R4
OUT RN5VS××C
R3
SERIES
VSS
2