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参数资料
| 型号： | R3119N091A-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, PDSO5 |
| 封装： | HALOGEN FREE AND ROHS COMPLIANT, SOT-23, 5 PIN |
| 文件页数： | 1/24页 |
| 文件大小： | 347K |
| 代理商： | R3119N091A-TR-FE |
R3119N SERIES
36V INPUT VOLTAGE DETECTOR
NO.EA-187-110107
1
OUTLINE
R3119N Series are CMOS-based 36V input (absolute maximum ratings: 50V) voltage detector with high
detector threshold accuracy and ultra-low supply current. Each of those ICs consists of a voltage reference unit,
a comparator, resistors for detector threshold setting, an output driver and a hysteresis circuit.
There are two types: R3119NxxxA has the CD pin for setting the output delay time. R3119NxxxE has the
SENSE pin.
The supply current of IC is only 3.3μA. The detector threshold is fixed in the IC and can be set with a step of
0.1V in the range of 2.3V to 12V. Detector threshold accuracy is 1.5%. The output type is Nch Open drain type.
Since the package for these ICs is small SOT-23-5, high density mounting of the ICs on board is possible.
FEATURES
Supply Current ......................................................................Typ. 3.3μA
Operating Voltage Range......................................................1.2V to 36.0V (CD pin type: R3119NxxxA)
2.1V to 6.0V (SENSE pin type: R3119NxxxE)
Operating Temperature Range .............................................40°C to 105°C
Detector Threshold Range....................................................2.3V to 12.0V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
Detector Threshold Accuracy................................................±1.5% (Topt=25°C)
Temperature-Drift Coefficient of Detector Threshold ............Typ. ±100ppm/°C
Output Delay Time (Power ON Reset Delay Time)...............Typ. 85ms (CD=0.01μF, CD pin type)
Output Delay Time Accuracy.................................................50% to 80% (CD pin type: R3119NxxxA)
Output Type...........................................................................Nch Open Drain
Package ................................................................................SOT-23-5
APPLICATIONS
CPU and Logic Circuit Reset
Battery Checker
Battery Back-up Circuit
Power Failure Detector for Digital home appliances
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