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LT3070EUFD-1#TRPBF - Analog Devices

Description: 5A, Low Noise, Programmable Output, 85mV Dropout Linear Regulator

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LT3070EUFD-1#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LT3070EUFD-1#TRPBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm) (Reference LTC DWG # 05-08-1712 Rev C)
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3D Models
LT3070EUFD-1#TRPBF - Analog Devices - 3D model - Quad Flat No-Lead - UFD Package 28-Lead Plastic QFN (4mm × 5mm) (Reference LTC DWG # 05-08-1712 Rev C)
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LT3070EUFD-1#TRPBF Details

  • Manufacturer Part Number:

    LT3070EUFD-1#TRPBF

  • 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:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustability:

    ADJUSTABLE

  • Dropout Voltage1-Max:

    0.15 V

  • Dropout Voltage1-Nom:

    0.085 V

  • JESD-30 Code:

    R-PQCC-N28

  • JESD-609 Code:

    e3

  • Length:

    5 mm

  • Line Regulation-Max (%/V):

    0.03

  • Load Regulation-Max(%):

    1.625%

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    28

  • Operating Temperature TJ-Max:

    125 °C

  • Operating Temperature TJ-Min:

    -40 °C

  • Output Current1-Max:

    5 A

  • Output Voltage1-Max:

    1.8 V

  • Output Voltage1-Min:

    0.8 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

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Regulator Type:

    ADJUSTABLE POSITIVE SINGLE 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

  • Width:

    4 mm

LT3070EUFD-1#TRPBF 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 high-gain configuration, it's essential to follow the recommended compensation network and component values, and to ensure that the output capacitor has a low equivalent series resistance (ESR). Additionally, adding a small capacitor (e.g., 10nF) between the VOUT and FB pins can help improve stability.
  • The maximum output current capability of the LT3070EUFD-1#TRPBF is 1.5A, but this can be limited by the thermal performance of the device and the PCB. It's essential to ensure that the device is properly heatsinked and that the PCB is designed to handle the maximum output current.
  • While ceramic capacitors can be used for the input capacitor, they may not be the best choice due to their high ESR and potential for resonance. A low-ESR electrolytic or film capacitor is recommended for the input capacitor to ensure stable operation.
  • The output voltage ripple can be calculated using the formula: ΔVOUT = (IOUT * ESR) / (fSW * COUT), where IOUT is the output current, ESR is the equivalent series resistance of the output capacitor, fSW is the switching frequency, and COUT is the output capacitance.

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LT3070EUFD-1#TRPBF 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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