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LT3030EUFD#PBF - Analog Devices

Description: LINEAR TECHNOLOGY - LT3030EUFD#PBF - LDO, DUAL, 1.8-20V, 0.3VDO, 1.2V, 28QFN

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LT3030EUFD#PBF - Analog Devices - PCB symbol
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PCB Footprints
LT3030EUFD#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead (4mm × 5mm) Plastic QFN
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LT3030EUFD#PBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead (4mm × 5mm) Plastic QFN
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LT3030EUFD#PBF Details

  • Manufacturer Part Number:

    LT3030EUFD#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-28

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1712

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    0.48 V

  • Dropout Voltage1-Nom:

    0.3 V

  • Dropout Voltage2-Max:

    0.48 V

  • Input-Output Voltage Differential-Max:

    18.78 V

  • Input-Output Voltage Differential-Min:

    0.78 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Line Regulation-Max (%/V):

    0.023

  • Load Regulation-Max(%):

    0.833%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    2

  • Number of Outputs:

    2

  • Number of Terminals:

    28

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    0.75 A

  • Output Current2-Max:

    0.25 A

  • Output Voltage1-Max:

    19.5 V

  • Output Voltage1-Min:

    1.22 V

  • Output Voltage2-Max:

    19.5 V

  • Output Voltage2-Min:

    1.22 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC28,.16X.2,20

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Regulator Type:

    ADJUSTABLE POSITIVE MULTIPLE OUTPUT LDO REGULATOR

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Technology:

    BIPOLAR

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LT3030EUFD#PBF Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance involves placing the device on a 2-layer or 4-layer board with a solid ground plane on the bottom layer, and using thermal vias to connect the exposed pad to the ground plane. Additionally, keeping the input and output capacitors close to the device and using short, wide traces can help reduce thermal resistance.
  • To ensure stability with a specific output capacitor, it's essential to check the capacitor's ESR (Equivalent Series Resistance) and ESL (Equivalent Series Inductance) values. The LT3030EUFD#PBF is stable with output capacitors having an ESR of 0.01Ω to 0.1Ω and an ESL of 1nH to 10nH. If the capacitor's ESR and ESL values are outside this range, additional compensation may be required.
  • The maximum input voltage that can be applied to the LT3030EUFD#PBF is 36V. Exceeding this voltage can cause damage to the device. It's essential to ensure that the input voltage is within the recommended range to maintain device reliability and performance.
  • The output voltage ripple can be calculated using the following formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ΔVout is the output voltage ripple, Iout is the output current, ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency. This calculation assumes a sinusoidal output current waveform.
  • The recommended input capacitor value is 10μF to 22μF, and the type should be a low-ESR ceramic or film capacitor. The input capacitor should be placed close to the device's input pins to minimize noise and ensure stable operation.

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LT3030EUFD#PBF Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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