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參數資料
| 型號： | R3115Z491A |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | LOW VOLTAGE DETECTOR WITH OUTPUT DELAY |
| 中文描述： | 低的電壓檢測器輸出延遲 |
| 文件頁數： | 1/28頁 |
| 文件大小： | 821K |
| 代理商： | R3115Z491A |
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R3115Z SERIES
LOW VOLTAGE DETECTOR WITH OUTPUT DELAY
NO.EA-098-061102
OUTLINE
1
The R3115Z Series are CMOS-based voltage detector ICs with high detector threshold accuracy and ultra-low
supply current, which can be operated at an extremely low voltage and is used for system reset as an example.
Each of these ICs consists of a voltage reference unit, a comparator, resistor net for detector threshold setting,
an output driver, a hysteresis circuit, and an output delay circuit. The detector threshold is fixed with high
accuracy internally and does not require any adjustment. Two output types, Nch open drain type and CMOS type
are available.
Since the package is WLCSP-4-P2, high density mounting on boards is possible.
FEATURES
Built-in Output Delay Circuit............................................... Typ. 100ms with an external capacitor: 0.022
μ
F
Supply Current
....................................................................................
Typ. 0.8
μ
A (V
DD
=
3.5V)
Operating Voltage Range
................................................................
0.7 to 6.0V (Topt
=
25
°
C)
Detector Threshold............................................................. 0.9V to 5.0V
Accuracy Detector Threshold
........................................................
±
2.0%
Temperature-Drift Coefficient of Detector Threshold
............
Typ.
±
100ppm/
°
C
Two Output Types
..............................................................................
Nch Open Drain and CMOS
Package............................................................................. WLCSP-4-P2
APPLICATIONS
Micro controller and Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-up Circuit
Power Failure Detector
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