参数资料
型号: R3111Q311A-TR-FE
厂商: RICOH COMPANY LTD
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
封装: HALOGEN AND LEAD FREE, SC-82AB, 4 PIN
文件页数: 18/27页
文件大小: 358K
代理商: R3111Q311A-TR-FE
R3111x
25
Voltage level Indicator Circuit (lighted when the power runs out)
(Nch Open Drain Output)
R3111xxxxA
Series
VDD
GND
OUT
VDD
Detector Threshold Adjustable Circuit
(Nch Open Drain Output)
R3111xxxxA
Series
GND
VDD
Rb
VDD
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
VDD
GND
OUT
VDD
R3111xxxxA
Series
VDD
GND
OUT
VDET1
WC_OUT
VDET2
VDD
VDET1
GND
WC_OUT
VDET2
GND
Over-charge Preventing Circuit
R3111xxxxC
Series
VDD
GND
OUT
R4
R2
R1
R3
Light
Sol
a
rB
a
tter
y
D1
Load
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