參數(shù)資料
型號(hào): R311Q0.9CTR
廠商: Ricoh Co., Ltd.
英文描述: LOW VOLTAGE DETECTOR
中文描述: 低電壓檢測(cè)
文件頁(yè)數(shù): 19/20頁(yè)
文件大?。?/td> 218K
代理商: R311Q0.9CTR
Rev.1.10
- 19 -
G
Voltage level Indicator Circuit (lighted when the power runs out)
(Nch Open Drain Output)
V
DD
V
DD
OUT
GND
R3111
XXX
1A
SERIES
G
Detector Threshold Adjustable Circuit
(Nch Open Drain Type Output)
V
DD
V
DD
OUT
GND
R3111
XXX
1A
SERIES
C
+
Ra
Rb
Adjusted Detector Threshold
=(-V
DET
)*(Ra+Rb)/Rb
Hysteresis Voltage
=(V
HYS
)*(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.
G
Window Comparator Circuit
(Nch Open Drain Output)
V
DD
V
DD
V
DD
OUT
OUT
OUT
GND
GND
R3111
XXX
1A
SERIES
R3111
XXX
1A
SERIES
V
DET
2
V
DET
1
V
DD
V
SS
V
SS
OUT
V
DET
2
V
DET
1
G
Over-charge Preventing Circuit
V
DD
OUT
GND
R3111
XXX
1C
SERIES
Light
R1
R2
R4
R3
D1
S
L
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