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LTC1144CS8 - Analog Devices

Description: Charge Pump STPDN -2V to -18V 50mA Automotive 8-Pin SOIC N

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LTC1144CS8 Details

  • Manufacturer Part Number:

    LTC1144CS8

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    PLASTIC, SO-8

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    0

  • 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-PDSO-G8

  • JESD-609 Code:

    e0

  • Length:

    4.9 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:

    SOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    1.3 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    DOUBLER INVERTER

  • Switching Frequency-Max:

    10 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Tin/Lead (Sn/Pb)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Width:

    3.9 mm

LTC1144CS8 Frequently Asked Questions (FAQs)

  • A good layout and routing practice for the LTC1144CS8 involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the input traces. It's also recommended to use a low-ESR capacitor for the VCC bypass and to place the capacitor close to the VCC pin.
  • The LTC1144CS8 requires a single 3.3V or 5V power supply. It's recommended to power the device with a low-noise, low-dropout regulator. The power sequencing requirement is to power up the VCC pin before the VIN pin. It's also recommended to add a 10uF capacitor between the VCC pin and ground to filter out noise.
  • The LTC1144CS8 can achieve a maximum data transfer rate of 100kbps in the asynchronous mode and 400kbps in the synchronous mode.
  • A reliable reset circuit for the LTC1144CS8 can be implemented using a resistor-capacitor network connected to the RESET pin. The capacitor should be a 0.1uF ceramic capacitor and the resistor should be a 1kΩ to 10kΩ resistor. The reset circuit should be designed to hold the RESET pin low for at least 10ms to ensure a reliable reset.
  • The LTC1144CS8 has a maximum junction temperature of 150°C. To ensure reliable operation over temperature, it's recommended to keep the device within the specified operating temperature range of -40°C to 85°C. A thermal pad or heat sink can be used to improve heat dissipation. It's also recommended to follow proper PCB design and layout practices to minimize thermal resistance.

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LTC1144CS8 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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