參數(shù)資料
型號: R3111Q241C
廠商: Ricoh Co., Ltd.
英文描述: LOW VOLTAGE DETECTOR
中文描述: 低電壓檢測
文件頁數(shù): 25/44頁
文件大?。?/td> 1170K
代理商: R3111Q241C
R3111x
Voltage level Indicator Circuit (lighted when the power runs out)
(Nch Open Drain Output)
25
R3111xxxxA
Series
V
DD
GND
OUT
V
DD
Detector Threshold Adjustable Circuit
(Nch Open Drain Output)
R3111xxxxA
Series
GND
V
DD
Rb
V
DD
C
Ra
OUT
+
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.
Window Comparator Circuit
(Nch Open Drain Output)
R3111xxxxA
Series
V
DD
GND
OUT
V
DD
R3111xxxxA
Series
V
DD
GND
OUT
V
DET
1
OUT
V
DD
V
DET
1
V
SS
V
SS
OUT
V
DET
2
Over-charge Preventing Circuit
R3111xxxxC
Series
V
DD
GND
OUT
R4
R2
R1
R3
Light
S
D1
L
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