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LTC1144CN8#PBF - Analog Devices

Description: LTC1144CN8#PBF, Charge Pump Step Down, -18 → -2 V, 8-Pin, PDIP

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LTC1144CN8#PBF - Analog Devices - PCB symbol
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LTC1144CN8#PBF - Analog Devices PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - 8-Lead PDIP
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LTC1144CN8#PBF - Analog Devices - 3D model - Dual-In-Line Packages - 8-Lead PDIP
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LTC1144CN8#PBF Details

  • Manufacturer Part Number:

    LTC1144CN8#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    PLASTIC, DIP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    05-08-1510 (N8)

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHED CAPACITOR CONVERTER

  • Input Voltage-Max:

    18 V

  • Input Voltage-Min:

    2 V

  • Input Voltage-Nom:

    15 V

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e3

  • Length:

    10.16 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    3.937 mm

  • Supply Current-Max (Isup):

    1.3 mA

  • Surface Mount:

    NO

  • Switcher Configuration:

    DOUBLER INVERTER

  • Switching Frequency-Max:

    10 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.62 mm

LTC1144CN8#PBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC1144CN8 involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing the bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated 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 is properly sized and that the input and output resistors are within the recommended range. Additionally, a small capacitor (e.g., 10nF) can be added between the output and ground to improve stability.
  • The maximum input voltage that the LTC1144CN8 can handle is 15V. Exceeding this voltage can cause damage to the device. It's recommended to add input protection circuitry, such as a voltage clamp or a transient voltage suppressor, to prevent overvoltage conditions.
  • The LTC1144CN8 is rated for operation up to 125°C. However, the device's performance and reliability may degrade at high temperatures. It's recommended to derate the device's specifications and ensure proper thermal management, such as using a heat sink or a thermally conductive PCB material.
  • To troubleshoot issues with the LTC1144CN8, start by checking the input and output voltages, as well as the device's operating frequency. Verify that the component values and PCB layout meet the recommended specifications. Use an oscilloscope to check for oscillations or noise on the output. If the issue persists, consult the datasheet and application notes for further guidance.

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LTC1144CN8#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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