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LT1054CPE4 - Texas Instruments

Description: Switching Voltage Regulators Switched-Capacitor Voltage Converter

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LT1054CPE4 - Texas Instruments - PCB symbol
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LT1054CPE4 - Texas Instruments PCB footprint - Dual-In-Line Packages - Dual-In-Line Packages - P (R-PDIP-T8)
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LT1054CPE4 - Texas Instruments - 3D model - Dual-In-Line Packages - P (R-PDIP-T8)
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LT1054CPE4 Details

  • Manufacturer Part Number:

    LT1054CPE4

  • Brand Name:

    Texas Instruments

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    DIP

  • Pin Count:

    8

  • Country Of Origin:

    Mexico

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Texas Instruments

  • YTEOL:

    15

  • Analog IC - Other Type:

    SWITCHED CAPACITOR REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Input Voltage-Max:

    15 V

  • Input Voltage-Min:

    3.5 V

  • Input Voltage-Nom:

    7 V

  • JESD-30 Code:

    R-PDIP-T8

  • JESD-609 Code:

    e4

  • Length:

    9.81 mm

  • Number of Functions:

    1

  • Number of Outputs:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.1 A

  • Output Voltage-Max:

    -15 V

  • Output Voltage-Min:

    -1.25 V

  • Output Voltage-Nom:

    -5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    DIP

  • Package Equivalence Code:

    DIP8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    5.08 mm

  • Supply Current-Max (Isup):

    5 mA

  • Surface Mount:

    NO

  • Switcher Configuration:

    DOUBLER INVERTER

  • Switching Frequency-Max:

    100 kHz

  • Technology:

    BIPOLAR

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

LT1054CPE4 Frequently Asked Questions (FAQs)

  • Texas Instruments recommends a 4-layer PCB with a solid ground plane on the bottom layer, and a power plane on the internal layer. The input and output capacitors should be placed close to the device, and the feedback resistors should be placed close to the output pin. A good layout will help to minimize noise and ensure stable operation.
  • To ensure stability, make sure the output capacitor has a low ESR (Equivalent Series Resistance) and is placed close to the output pin. Also, the feedback resistors should be chosen to ensure a stable gain margin. Additionally, the input capacitor should be chosen to ensure a stable input impedance. Texas Instruments also recommends adding a small capacitor (e.g. 10nF) between the output pin and the feedback pin to improve stability.
  • The maximum input voltage of the LT1054CPE4 is 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent damage to the device.
  • The LT1054CPE4 is rated for operation up to 125°C, but the device's performance and reliability may degrade at high temperatures. It's recommended to derate the output current and voltage at high temperatures to ensure reliable operation.
  • The output voltage ripple of the LT1054CPE4 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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LT1054CPE4 Overview

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About Texas Instruments

Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.

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