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BD45302G-TR - ROHM Semiconductor

Description: Voltage Detector with Fixed Delay Time: ROHM's BD45xxxG and BD46xxxG series of reset ICs utilize CMOS processes for low current consumption and high accuracy. The built-in counter timer delay circuit eliminates the need to set the delay time via external capacitor. The extensive lineup includes both Nch Open Drain and CMOS output types in a wide range of detection voltages (from 2.3V to 4.8V, in 0.1V steps), enabling selection of the ideal solution based on customer requirements. A total of 156 models are o

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BD45302G-TR - ROHM Semiconductor - PCB symbol
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PCB Footprints
BD45302G-TR - ROHM Semiconductor PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SSOP5
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3D Models
BD45302G-TR - ROHM Semiconductor - 3D model - SOT23 (5-Pin) - SSOP5
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BD45302G-TR Details

  • Manufacturer Part Number:

    BD45302G-TR

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    SSOP

  • Pin Count:

    5

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    9 Weeks

  • Manufacturer:

    ROHM Semiconductor

  • YTEOL:

    0

  • Additional Feature:

    MNL RST:N;PW FL IO:N;PRG RST DLY:N;WD:N;WDO:N;WWD:N

  • Adjustable Threshold:

    NO

  • Analog IC - Other Type:

    VOLTAGE SUPERVISOR/RESET IC

  • JESD-30 Code:

    R-PDSO-G5

  • Length:

    2.9 mm

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    105 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Packing Method:

    TR

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.25 mm

  • Supply Current-Max (Isup):

    0.00255 mA

  • Supply Voltage-Min (Vsup):

    0.95 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Threshold Voltage-Nom:

    +3V

  • Width:

    1.6 mm

BD45302G-TR Frequently Asked Questions (FAQs)

  • A good PCB layout for optimal thermal performance would be to have a large copper area on the bottom layer connected to the thermal pad of the IC, and to use thermal vias to dissipate heat to the top layer. Additionally, keeping the thermal pad away from other components and traces can help reduce thermal resistance.
  • To ensure stable operation with a high-ESR output capacitor, it's recommended to add a small ceramic capacitor (e.g. 1uF) in parallel with the high-ESR capacitor to improve the overall ESR and reduce the risk of oscillation.
  • The maximum allowed voltage on the EN pin is 6V, exceeding this voltage may cause damage to the IC. It's recommended to use a voltage divider or a level shifter if the enable signal is coming from a higher voltage domain.
  • The BD45302G-TR is rated for operation up to 125°C, but the maximum junction temperature (TJ) should not exceed 150°C. It's recommended to use a heat sink or a thermal interface material to ensure reliable operation in high-temperature environments.
  • The output voltage ripple can be calculated using the formula: ΔVout = (Iout * ESR) / (f * C), where Iout is the output current, ESR is the equivalent series resistance of the output capacitor, f is the switching frequency, and C is the output capacitance.

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BD45302G-TR Overview

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