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LTC3445EUF#PBF - Analog Devices

Description: I²C Controllable Buck Regulator with Two LDOs in a 4mm × 4mm QFN

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LTC3445EUF#PBF - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UF (24-Lead QFN)_1
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LTC3445EUF#PBF - Analog Devices  - 3D model - Quad Flat No-Lead - UF (24-Lead QFN)_1
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LTC3445EUF#PBF Details

  • Manufacturer Part Number:

    LTC3445EUF#PBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    4 X 4 MM, LEAD FREE, PLASTIC, MO-220-WGGD, QFN-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    05-08-1697

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    CONSTANT FREQUENCY

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    S-PQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    70 °C

  • Output Current-Max:

    0.8 A

  • Output Voltage-Max:

    1.55 V

  • Output Voltage-Min:

    0.85 V

  • Output Voltage-Nom:

    1.3 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Supply Current-Max (Isup):

    0.15 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1800 kHz

  • Technology:

    CMOS

  • Temperature Grade:

    COMMERCIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    4 mm

LTC3445EUF#PBF Frequently Asked Questions (FAQs)

  • The maximum input voltage that can be applied to the VIN pin is 5.5V, as specified in the Absolute Maximum Ratings section of the datasheet. Exceeding this voltage can damage the device.
  • To ensure the stability of the output voltage, it is recommended to use a minimum output capacitance of 10uF with an ESR of 1Ω or less, as specified in the datasheet. Additionally, the output voltage should be decoupled with a 1uF ceramic capacitor to reduce noise and oscillations.
  • The maximum output current that can be drawn from the device is 500mA, as specified in the datasheet. Exceeding this current can cause the device to overheat and reduce its reliability.
  • The output voltage can be configured by connecting a resistive divider network between the VOUT pin and the GND pin, with the FB pin connected to the center tap of the divider. The output voltage is determined by the ratio of the resistors in the divider network.
  • The EN pin is an active-high enable input that allows the device to be turned on or off. When the EN pin is high, the device is enabled and operates normally. When the EN pin is low, the device is disabled and the output voltage is turned off.

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LTC3445EUF#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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