参数资料
型号: R3131N26BA3-TR
厂商: RICOH COMPANY LTD
元件分类: 电源管理
英文描述: Low Voltage Detector with built-in Delay Circuit
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3
封装: SOT-23, 3 PIN
文件页数: 4/32页
文件大小: 273K
代理商: R3131N26BA3-TR
R3130N×××A/C, R3131N×××A/C
3
TIMING CHART
V
SS
Tdelay
Supply
Voltage
(V
DD
)
Output Voltage
Detector
Threshold
V
DET
Minimum Operating
Voltage
V
SS
V
SS
Tdelay
Supply
Voltage
(V
DD
)
Output Voltage
Detector
Threshold
V
DET
Minimum Operating
Voltage
V
SS
R3130N Operation Diagram
R3131N Operation Diagram
Output Delay Operation
Output Delay Time, or Tdelay is specified as follows:
1. In the case of Nch Open Drain Output:
The time interval from rising edge of V
DD
pulse (1.0V
(V
DET
)+0.1V) to the time at which the output reaches
2.5V under the condition that the output pin (OUT) is pulled up to 5V through a 470k
resistor.
2. In the case of CMOS Output
The time interval from rising edge of V
DD
pulse (1.0V
(V
DET
)+0.1V) to the time at which the output reaches
V
DD
/2.
V
DET
+1.0V
Input Voltage
(V
DD
)
Output Voltage
1.0V
5.0V
2.5V
GND
GND
Trst
Tdelay
V
DET
+1.0V
Input Voltage
(V
DD
)
Output Voltage
1.0V
V
DET
+0.1V
(V
DET
+0.1V)/2
GND
GND
Trst
Tdelay
Nch Open Drain Output
CMOS Output
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