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TPS3705-33DR - Texas Instruments- PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL

TPS3705-33DR - Texas Instruments- PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL

    • TPS3705-33DR - Texas Instruments- PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL
    • TPS3705-33DR - Texas Instruments- PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL
  • TPS3705-33DR - Texas Instruments- PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL

    Product Details:

    Place of Origin: PHILIPPINE
    Brand Name: Texas Instruments
    Certification: Lead free / RoHS Compliant
    Model Number: TPS3705-33DR

    Payment & Shipping Terms:

    Minimum Order Quantity: 50
    Price: Contact for Sample
    Packaging Details: Contact for Sample
    Delivery Time: Within 3days
    Payment Terms: T/T in advance, Paypal, Western Union
    Supply Ability: 5000
    Contact Now
    Detailed Product Description
    Part Number: TPS3705-33DR MFG: TI
    Temperature Range . .: . –40°C To 85°C Packages: MSOP-8 And SO-8

     

    Quick Detail:

     

    PROCESSOR SUPERVISORY CIRCUITS WITH POWER-FAIL

     

     

    Description:

     

    The TPS3705, TPS3707 family of microprocessor supply-voltage supervisors provide circuit initialization and timing supervision, primarily for DSP and processor-based systems.

    During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the supply voltage supervisor monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage VIT+. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset. The delay time, tdtyp= 200 ms, starts after VDDhas risen above the threshold voltage VIT+. When the supply voltage drops below the threshold voltage VIT–, the output becomes active (low) again. No external components are required. All the devices of this family have a fixed-sense threshold voltage VIT– set by an internal voltage divider.

    The TPS3705-xx and TPS3707-xx devices incorporate a manual reset input, MR. A low level at MR causes RESET to become active.

    The TPS370x-xx families integrate a power-fail comparator which can be used for low-battery detection, power-fail warning, or for monitoring a power supply other than the main supply.

    The TPS3705-xx devices have a watchdog timer that is periodically triggered by a positive or negative transition at WDI. When the supervising system fails to retrigger the watchdog circuit within the time-out interval, tt(out)= 1.6 s, WDO becomes active. This event also reinitializes the watchdog timer. Leaving WDI unconnected disables the watchdog.

    The TPS3707-xx devices do not have the Watchdog function, but include a high-level output RESET.

    The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in either 8-pin MSOP or standard SOIC packages. The TPS3705, TPS3707 devices are characterized for operation over a temperature range of –40°C to 85°C.

     

     

    Applications:

     

     Power-On Reset Generator with Fixed Delay Time of 200 ms, no External

    Capacitor Needed

     Precision Supply Voltage Monitor 2.5 V, 3 V, 3.3 V, and 5 V

     Pin-For-Pin Compatible with the MAX705 through MAX708 Series

     Integrated Watchdog Timer (TPS3705 only)

     Voltage Monitor for Power-Fail or Low-Battery Warning

     Maximum Supply Current of 50 µA

     MSOP-8 and SO-8 Packages

     Temperature Range . . . –40°C to 85°C

     

     

    Specifications:

     

    Datasheets

    TPS3705-xx, TPS3707-xx

    Product Photos

    8-SOIC

    Standard Package

    1

    Category

    Integrated Circuits (ICs)

    Family

    PMIC - Supervisors

    Series

    -

    Packaging

    Digi-Reel®

    Type

    Simple Reset/Power-On Reset

    Number of Voltages Monitored

    1

    Output

    Push-Pull, Totem Pole

    Reset

    Active Low

    Reset Timeout

    140 ms Minimum

    Voltage - Threshold

    2.93V

    Operating Temperature

    -40°C ~ 85°C

    Mounting Type

    Surface Mount

    Package / Case

    8-SOIC (0.154", 3.90mm Width)

    Supplier Device Package

    8-SOIC

    Other Names

    296-26940-6

     

     

    Competitive Advantage:

     

    Warranty :180 days !
    Free shipping: Order over $1000 win a free shipment fee
    (goods weight below 3Kg) ,during 20130901-20130930 .


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