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TPS3840PH19DBVR - Texas Instruments

Description: Supervisory Circuits Nanopower high-input voltage supervisor with manual reset and programmable-reset time delay 5-SOT-23 -40 to 125

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TPS3840PH19DBVR - Texas Instruments - PCB symbol
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PCB Footprints
TPS3840PH19DBVR - Texas Instruments PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - DBV
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3D Models
TPS3840PH19DBVR - Texas Instruments - 3D model - SOT23 (5-Pin) - DBV
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TPS3840PH19DBVR Details

  • Manufacturer Part Number:

    TPS3840PH19DBVR

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.90

  • Date Of Intro:

    2020-06-07

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Additional Feature:

    BAT BUP SW:N;MNL RST:Y;OV DET:N;PW FL IP:N;PW FL IO:N;PW FL OP:N;PRG RST DLY:Y;UV DET:N;WD:N;WWD:N

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    SOP5,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.45 mm

  • Supply Current-Max (Isup):

    0.0007 mA

  • Supply Voltage-Max (Vsup):

    10 V

  • Supply Voltage-Min (Vsup):

    1.5 V

  • Supply Voltage-Nom (Vsup):

    4.5 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +1.9V

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Width:

    1.6 mm

TPS3840PH19DBVR Frequently Asked Questions (FAQs)

  • Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general guidelines for high-frequency PCB design, such as using a solid ground plane, minimizing trace lengths, and using vias to connect layers.
  • The output capacitor selection depends on the output voltage, output current, and desired ripple voltage. A general rule of thumb is to choose a capacitor with a capacitance value of at least 10uF and a voltage rating of at least 1.5 times the output voltage. Additionally, consider the capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) when selecting the output capacitor.
  • The maximum input voltage rating for the TPS3840PH19DBVR is 5.5V, but it's recommended to operate the device within the recommended input voltage range of 2.7V to 5.5V to ensure reliable operation and to prevent damage to the device.
  • The TPS3840PH19DBVR has a built-in OVP feature that can be enabled by connecting the OVP pin to a voltage divider network. The OVP threshold can be set by adjusting the voltage divider ratio. Additionally, an external OVP circuit can be implemented using a voltage comparator and a MOSFET to disconnect the input power supply in case of an overvoltage condition.
  • The recommended input capacitor value is 1uF to 10uF, and the type should be a ceramic or film capacitor with a voltage rating of at least 1.5 times the input voltage. The input capacitor helps to filter out noise and ripple on the input voltage and ensures stable operation of the device.

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TPS3840PH19DBVR Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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