|Description||LOW Voltage Detector|
|Datasheet||Download R3111Q501A datasheet
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, SOT-23-5, SC-82AB, and SON1612-6 are available.FEATURES
Supply Current......................................................................Typ. 0.8µA (VDD=1.5V) Range of Operating 10.0V (Topt=25°C) Detector 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 CMOS SC-82AB, SON1612-6APPLICATIONS
CPU and Logic Circuit Reset Battery Checker Window Comparator Wave Shaping Circuit Battery Back-up Circuit Power Failure Detector
The package type, the detector threshold, the output type and the taping type for the ICs can be selected at the users' request. The selection can be made with designating the part number as shown below;
e f Code Designation of Package Type; Q: SC-82AB Setting Detector Threshold (-VDET); Stepwise setting with a step 0.1V in the range 6.0V is possible. Designation of Package Type 1: except 2: SOT-23-3 Designation of Output Type; A: Nch Open Drain (Output "L" at VDD=-VDET) B: Nch Open Drain (Output "H" at VDD=-VDET) C: CMOS (Output "L" at VDD=-VDET) Designation of Packing or Taping Type ; Ex.TO-92: TZ, SON1612-6: TR prescribed as standard directions. (Refer to Taping Specifications.) Antistatic bag for TO-92: C Designation of Composition of pin plating -F: Lead free plating SC-82AB, SON1612-6) Contents
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