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参数资料
| 型号： | R3115Z381C-TR-FD |
| 厂商： | RICOH COMPANY LTD |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PBGA4 |
| 封装： | WL-CSP, 4 PIN |
| 文件页数： | 1/22页 |
| 文件大小： | 208K |
| 代理商： | R3115Z381C-TR-FD |
LOW VOLTAGE DETECTOR WITH
OUTPUT DELAY
R3115Z SERIES
1
R3115Z_E.doc/2003/05/06
NO. EA-098-0301
OUTLINE
The R3115Z Series are CMOS-based voltage detector ICs with high detector threshold accuracy and ultra-low sup-
ply 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 inter-
nally and does not require any adjustment. Two output types, Nch open drain type and CMOS type are available.
Since the package is WL-CSP, high density mounting on boards is possible.
FEATURES
Built-in Output Delay Circuit ..................................................... Typ. 100ms with an external capacitor: 0.022F
Ultra-low Supply Current ..........................................................................Typ. 0.8A (VDD=3.5V)
Wide Range of Operating Voltage...........................................................0.76.0V (Topt=25°C)
Detector Threshold..................................................................... Stepwise setting with a step of 0.1V in the range of
0.9V to 5.0V is possible.
High Accuracy Detector Threshold.......................................................±2.0%
Low Temperature-Drift Coefficient of Detector Threshold........Typ. ±100ppm/°C
Two Output Types.........................................................................................Nch Open Drain and CMOS
Two Types of Packages................................................................ WL-CSP
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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相关代理商/技术参数 |
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