參數資料
型號： R3111Q351A-TR
廠商： RICOH COMPANY LTD
元件分類： 電源管理
英文描述： LOW VOLTAGE DETECTOR
中文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO4
封裝： SC-82AB, 4 PIN
文件頁數： 16/22頁
文件大?。?/td> 195K
代理商： R3111Q351A-TR
R3111x
3
R3111XXX1B
DEFINITION OF OUTPUT DELAY TIME
Output Delay Time tPLH/tPHL is defined as follows:
1. In the case of Nch Open Drain Output:(R3111XXXXA/B)
Under the condition of the output pin (OUT) is pulled up through a resistor of 470k
to 5V, the time interval
between the rising edge of VDD pulse from 0.7V to (
+VDET)+ 2.0V and becoming of the output voltage to 2.5V.
2. In the case of CMOS Output:(R3111XXXXC)
The time interval between the rising edge of VDD pulse from 0.7V to (
+VDET)+ 2.0V and becoming of the output
voltage to (VDD/2) V.
+VDET + 2.0V
5.0V
2.5V
0.7V
Input Voltage
(VDD)
Output Voltage
GND
tPHL
tPLH
+VDET + 2.0V
+VDET+2.0V
0.7V
Input Voltage
(VDD)
Output Voltage
GND
2
GND
tPHL
tPLH
Nch Open Drain Output(R3111XXXXA)
CMOS Output(R3111XXXXC)
Minimum Operating
Voltage (VDDL)
GND
Output Voltage
(VOUT)
Power Supply
(VDD)
Hysteresis(VHYS)
Released Voltage (+VDET)
Detector Threshold (-VDET)
A
B
t PLH
GND
?
@
A
Pull-up Voltage
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