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LTC3858IGN-1#PBF - Analog Devices

Description: Low IQ, Dual 2-Phase Synchronous Step-Down Controller

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LTC3858IGN-1#PBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3858IGN-1#PBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - GN Package 28-Lead Plastic SSOP (Narrow .150 Inch) (Reference LTC DWG # 05-08-1641)
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3D Models
LTC3858IGN-1#PBF - Analog Devices - 3D model - Small Outline Packages - GN Package 28-Lead Plastic SSOP (Narrow .150 Inch) (Reference LTC DWG # 05-08-1641)
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LTC3858IGN-1#PBF Details

  • Manufacturer Part Number:

    LTC3858IGN-1#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Pin Count:

    28

  • Manufacturer Package Code:

    05-08-1641 (GN28)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    ALSO OPERATES IN ADJUSTABLE MODE FROM 0.8V TO 24V

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    38 V

  • Input Voltage-Min:

    4 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    R-PDSO-G28

  • JESD-609 Code:

    e3

  • Length:

    9.893 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    28

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    5.1 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Equivalence Code:

    SSOP28,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    PHASE-SHIFT

  • Switching Frequency-Max:

    900 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.635 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

LTC3858IGN-1#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3858IGN-1#PBF involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a separate analog ground plane and to keep the power and ground traces separate.
  • The choice of input and output capacitors for the LTC3858IGN-1#PBF depends on the specific application requirements. In general, low-ESR capacitors with a high ripple current rating are recommended. The input capacitor should be at least 10uF, and the output capacitor should be at least 22uF. X5R or X7R ceramic capacitors are good options.
  • The maximum ambient temperature range for the LTC3858IGN-1#PBF is -40°C to 125°C. However, the device can operate up to 150°C with derating. It's essential to ensure that the device is operated within the recommended temperature range to ensure reliability and performance.
  • The LTC3858IGN-1#PBF has a resistive divider network that sets the output voltage. To program the output voltage, you need to calculate the required resistor values using the formula provided in the datasheet. The resistors should be 1% tolerance or better to ensure accurate output voltage.
  • The minimum input voltage required for the LTC3858IGN-1#PBF to operate is 2.9V. However, the device can operate down to 2.5V with reduced performance. It's essential to ensure that the input voltage is within the recommended range to ensure reliable operation.

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LTC3858IGN-1#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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For a full list of alternate parts for LTC3858IGN-1#PBF, check out Findchips.com