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参数资料
| 型号： | R3131N27EA-TR-FB |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO3 |
| 封装： | SOT-23, 3 PIN |
| 文件页数： | 23/29页 |
| 文件大小： | 335K |
| 代理商： | R3131N27EA-TR-FB |
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R3130N/R3131N
3
TIMING CHART
VSS
Tdelay
Supply
Voltage
(VDD)
Output Voltage
Detector
Threshold
Minimum Operating
Voltage
VDET
VSS
Tdelay
Supply
Voltage
(VDD)
Output Voltage
Detector
Threshold
Minimum Operating
Voltage
VDET
VSS
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 VDD pulse (1.0V
→(VDET)+1.0V) 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 VDD pulse (1.0V
→(VDET)+1.0V) to the time at which the output reaches
VDD/2.
VDET+1.0V
Input Voltage
Output Voltage
1.0V
5.0V
2.5V
GND
Trst
Tdelay
(VDD)
VDET+1.0V
Input Voltage
Output Voltage
1.0V
VDET+1.0V
(VDET+1.0V)/2
GND
Trst
Tdelay
(VDD)
Nch Open Drain Output
CMOS Output
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相关代理商/技术参数 |
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| R3131N29AA | 制造商:RICOH 制造商全称:RICOH electronics devices division 功能描述:Low Voltage Detector with built-in Delay Circuit |
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