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參數資料
| 型號： | R3111Q221A |
| 廠商： | Ricoh Co., Ltd. |
| 英文描述： | LOW VOLTAGE DETECTOR |
| 中文描述： | 低電壓檢測 |
| 文件頁數： | 1/44頁 |
| 文件大小： | 1170K |
| 代理商： | R3111Q221A |
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R3111x S ERIES
LOW VOLTAGE DETECTOR
NO.EA-056-070829
OUTLINE
1
The R3111x 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, resistors for detector threshold setting,
an output driver and a hysteresis circuit. The detector threshold is fixed with high accuracy internally and does
not require any adjustment.
Three output types, Nch open drain “L” type, Nch open drain “H” type and CMOS type are available.
The R3111x Series are operable at a lower voltage than that for the Rx5VL series, and can be driven by a
single battery.
Six types of packages, TO-92, SOT-89, SOT-23-3, SOT-23-5, SC-82AB, and SON1612-6 are available.
FEATURES
Supply Current......................................................................Typ. 0.8
μ
A (V
DD
=
1.5V)
Range of Operating Voltage..................................................0.7V to 10.0V (Topt
=
25
°
C)
Detector Threshold................................................................0.9V to 6.0V
Accuracy Detector Threshold................................................
±
2.0%
Temperature-Drift Coefficient of Detector Threshold ............Typ.
±
100ppm/
°
C
Output Types.........................................................................Nch Open Drain “L”, Nch Open Drain “H”, and
Packages ..............................................................................TO-92, SOT-89, SOT-23-3, SOT-23-5,
APPLICATIONS
CMOS
SC-82AB, SON1612-6
CPU and Logic Circuit Reset
Battery Checker
Window Comparator
Wave Shaping Circuit
Battery Back-up Circuit
Power Failure Detector
相關PDF資料 |
PDF描述 |
|---|---|
| R3111Q221B | LOW VOLTAGE DETECTOR |
| R3111Q221C | LOW VOLTAGE DETECTOR |
| R3111Q231A | LOW VOLTAGE DETECTOR |
| R3111Q231B | LOW VOLTAGE DETECTOR |
| R3111Q231C | LOW VOLTAGE DETECTOR |
相關代理商/技術參數 |
參數描述 |
|---|---|
| R-311L-D | 制造商:SCHURTER 制造商全稱:Schurter Inc. 功能描述:Power Cord with IEC Connector C13, Angled |
| R3-12 | 制造商:Thomas & Betts 功能描述:KUBE MULTITAP BODY SIZE0 4 POSITION |
| R313 | 制造商:EMERSON 功能描述:MOTOR 230/460 VOLT, 60 HERTZ, 3-PHASE, 138/69 AMP, 1190 RPM, FRAME:404T RIGID OPEN, REVERSE, 2-7/8 X 7-1/4KEY, SINGLE BALL BEARINGS FRAME : ALL OTHER HERTZ : 60 HERTZ HP OR WATTAGE : 60 HP PHASE : 3 PHASE ROTATION (ALL SE) : CCW RPM : 1101-1200 RPM VOLTAGE : MULTI VOLT |
| R3130 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| R3130A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
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