rn5vs42ac-tr RICOH Co.,Ltd., rn5vs42ac-tr Datasheet - Page 27

• Manufacturer Part Number: rn5vs42ac-tr
• Description: Voltage Detector
• Manufacturer: RICOH Co.,Ltd.

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( Nch Open Drain Output)
Voltage Level Indicator Circuit (lighted when the power runs out)
Detector Threshold Changing Circuit
Window Comparator Circuit
Excessive Charge Preventing Circuit
(Nch Open Drain Output)
(Nch Open Drain Output)
Light
GND
V
RN5VS
DD
SERIES
OUT
A
GND
OUT
RN5VS
R1
SERIES
OUT
V
DET
GND
V
RN5VS
1
DD
SERIES
R2
A
R3
C
GND
V
V
RN5VS
DD
OUT
D1
A
DD
SERIES
RN5VS
V
V
SERIES
DD
SS
A
V
DD
Ra
Rb
V
OUT
DET
V
C
2
DD
R4
V
DD
OUT
Changed Detector Threshold =
Hysteresis Voltage =
(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.
V
OUT
VSS
VSS
DD
Ra + Rb
Rb
V
DET
1
· V
Ra + Rb
V
Rb
HYS
DET
2
· (–V
DET
RN5VS
)
2