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參數資料
| 型號： | R3111Q331A |
| 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： | 1/20頁 |
| 文件大小： | 218K |
| 代理商： | R3111Q331A |
98.Dec.05
LOW VOLTAGE DETECTOR
R3111xxx1A/C Series
Rev.1.10
- 1 -
I
OUTLINE
The R3111 Series are voltage detector ICs with high detector threshold accuracy and ultra-low supply current by CMOS
process, 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.
Two output types, Nch open drain type and CMOS type are available.
The R3111 Series are operable at a lower voltage than that for the RX5VL Series, and can be driven by a single battery.
Four types of packages, TO-92, SOT-89, SOT-23-5 and SC-82AB are available.
I
FEATURES
G
Ultra-low Supply Current............................................................... TYP. 0.8μA (V
DD
=1.5V)
G
Wide Range of Operating Voltage.................................................. 0.7 to 10.0V(Topt=25
°
C)
G
Detector Threshold......................................................................... Stepwise setting with a step of 0.1V in the range of
0.9V to 6.0V is possible.
G
G
G
G
High Accuracy Detector Threshold................................................ ±2.0%
Low Temperature-Drift Coefficient of Detector Threshold............ TYP. ±100ppm/
°
C
Two Output Types.......................................................................... Nch Open Drain and CMOS
Four Types of Packages.................................................................. TO-92, SOT-89(Mini-power Mold), SOT-23-5 (Mini-
mold), SC-82AB
I
APPLICATIONS
G
CPU and Logic Circuit Reset
G
Battery Checker
G
Window Comparator
G
Wave Shaping Circuit
G
Battery Back-up Circuit
G
Power Failure Detector
I
BLOCK DIAGRAMS
R3111XXX1A
R3111XXX1C
V
DD
OUT
GND
Vref
V
DD
OUT
GND
Vref
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相關代理商/技術參數 |
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| 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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