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參數資料
| 型號： | R3118Q082C-TR-FE |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO5 |
| 封裝： | HALOGEN AND LEAD FREE, SC-88A, 5 PIN |
| 文件頁數： | 1/23頁 |
| 文件大小： | 481K |
| 代理商： | R3118Q082C-TR-FE |
R3118x SERIES
LOW VOLTAGE DETECTOR with individual SENSE pin and delay function
NO.EA-242-110107
1
OUTLINE
The R3118x series are CMOS-based voltage detector ICs with individual sense pin, high detector threshold
accuracy and delay time, 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 hysteresis comparator, resistors net for detector
threshold setting, an output driver transistor, and a delay circuit.
VDD supply pin for the IC and voltage supervisory sense pin are individual, therefore the output pin can keep
"L" level even if the sense pin voltage is going down to 0V, or there is no indefinite range for the sense pin.
Since a delay circuit is built-in, by connecting an external capacitor, any output delay time can be set. In the
R3118x series, detector released delay time can be set, and detector delay time is not influenced by the external
capacitor for the delay time.
The detector threshold is fixed with high accuracy internally and does not require any adjustment.
The tolerance of the detector threshold is
±22.5mV (VDET_S<1.6V) or ±1.5% (-VDET_S≥1.6V).
Minimum detector threshold voltage is 0.6V, ultra low voltage detector threshold can be set.
Output delay time for the detector release can be set with high accuracy. The tolerance of the IC side is
±30%.
Two output types, Nch open drain type and CMOS type are available. If the sense pin voltage becomes to
equal or lower than the detector threshold voltage, the output voltage becomes "L", and if the sense pin voltage
becomes to released voltage, the output voltage becomes "H" after the set delay time.
Three types of packages, SOT-23-5, SC-88A, and DFN(PLP)1212-6 are available.
FEATURES
Supply Current ......................................................................Typ. 0.4μA (VSENSE≥+VDET, VDD=6V)
Consumption current through SENSE pin is not included.
Operating Voltage Range......................................................1.0V to 6.0V (-40°C≤Topt≤85°C)
Detector Threshold Range....................................................0.6V to 5.0V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
Accuracy Detector Threshold................................................±1.5% (-VDET_S≥1.6V), ±22.5mV (-VDET_S<1.6V)
Temperature-Drift Coefficient of Detector Threshold ............Typ. ±30ppm/°C
Accuracy Detector Released ................................................±30%
Temperature-Drift Coefficient of Detector Released .............Typ. ±0.16ppm/°C
Output Types.........................................................................Nch Open Drain and CMOS
Packages ..............................................................................DFN(PLP)1212-6, SC-88A , SOT-23-5
Topt=25°C, unless otherwise noted.
APPLICATIONS
CPU and Logic Circuit Reset
Battery Checker
Window Comparator / Level discrimination
Battery Back-up Circuit
Power Failure Detector
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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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