參數(shù)資料
型號(hào)： R3116N471C-TR-FE
廠商： RICOH COMPANY LTD
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
封裝： HALOGEN AND LEAD FREE, SOT-23, 5 PIN
文件頁(yè)數(shù)： 15/25頁(yè)
文件大?。?/td> 441K
代理商： R3116N471C-TR-FE
R3116x
22
Voltage level Indicator Circuit (lighted when the power runs out)
(Nch Open Drain Output)
R3116xxx1A
Series
VDD
GND
OUT
VDD
CD
Detector Threshold Adjustable Circuit 1
(Nch Open Drain Output)
R3116xxx1A
Series
GND
VDD
Vup
Rup
OUT
Rb
VDD
Ra
CD
Adjustable Detector Threshold
=(-VDET)×(Ra+Rb)/Rb
Hysteresis Voltage
=(VHYS)×(Ra+Rb)/Rb
1) To prevent oscillation, set Ra <
= 1k, Rb <
= 100.
2) If the value of Ra is set excessively large, voltage drop
may occur caused by the supply current of IC itself,
and detector threshold and hysteresis voltage may
vary.
3) If Vup and VDD are connected, the voltage dropdown
caused by Rup, may cause difference in the hysteresis
voltage.
Detector Threshold Adjustable Circuit 2
(Nch Open Drain Output)
R3116xxx1A
Series
GND
VDD
Vup
Rup
OUT
Rb
VDD
Ra
C
CD
Adjustable Detector Threshold
=(-VDET)×(Ra+Rb)/Rb
Hysteresis Voltage
=(VHYS)×(Ra+Rb)/Rb
1) To prevent oscillation, set Ra <
= 10k, Rb <
= 1k,
C >
= 1μF.
2) If the value of Ra is set excessively large, voltage drop
may occur caused by the supply current of IC itself,
and detector threshold and hysteresis voltage may
vary.
3) If Vup and VDD are connected, the voltage dropdown
caused by Rup, may cause difference in the hysteresis
voltage.
4) If the value of Ra, Rb and C are set excessively large,
the delay of the start-up may become too long.
相關(guān)PDF資料
PDF描述
R3116K311A-TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
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R3116N081A-TR-FE 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
R3116N141C-TR-FE 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5
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