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LTC1731EMS8-8.2#TRPBF - Analog Devices

Description: Linear Battery Charger Controller Li-Ion/Li-Pol/NiCd/NiMH 2000mA 8.2V 8-Pin MSOP T/R

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LTC1731EMS8-8.2#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC1731EMS8-8.2#TRPBF - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - MS8 Package 8-Lead Plastic MSOP (Reference LTC DWG # 05-08-1660)_2020
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3D Models
LTC1731EMS8-8.2#TRPBF - Analog Devices - 3D model - Small Outline Packages - MS8 Package 8-Lead Plastic MSOP (Reference LTC DWG # 05-08-1660)_2020
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LTC1731EMS8-8.2#TRPBF Details

  • Manufacturer Part Number:

    LTC1731EMS8-8.2#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    PLASTIC, MSOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1660

  • Country Of Origin:

    Thailand

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Adjustable Threshold:

    YES

  • Analog IC - Other Type:

    LINEAR BATTERY CHARGER

  • JESD-30 Code:

    S-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    1

  • Number of Channels:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Shape:

    SQUARE

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Supply Voltage-Max (Vsup):

    12 V

  • Supply Voltage-Min (Vsup):

    8.8 V

  • Supply Voltage-Nom (Vsup):

    9 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3 mm

LTC1731EMS8-8.2#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC1731 involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce EMI and noise. A 4-layer board with a dedicated power plane and a separate ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Also, ensure that the output capacitor has a low ESR and is properly decoupled from the input capacitor. Additionally, a small ceramic capacitor (e.g., 10nF) between the VFB pin and GND can help improve stability.
  • The maximum input voltage for the LTC1731 is 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and prevent damage to the IC.
  • The LTC1731 is rated for operation up to 125°C, but its performance may degrade at high temperatures. It's recommended to derate the output current and voltage according to the temperature derating curve in the datasheet to ensure reliable operation.
  • The output voltage ripple of the LTC1731 can be calculated using the formula: ΔVout = (Iout * ESR) / (f * Cout), where Iout is the output current, ESR is the equivalent series resistance of the output capacitor, f is the switching frequency, and Cout is the output capacitance.

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LTC1731EMS8-8.2#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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