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LTC3309AMPV#TRPBF - Analog Devices

Description: Buck Switching Regulator IC Positive Programmable 0.5V 1 Output 6A 12-VFQFN Exposed Pad

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LTC3309AMPV#TRPBF - Analog Devices - PCB symbol
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PCB Footprints
LTC3309AMPV#TRPBF - Analog Devices PCB footprint - Other - Other - 12-LEAD (2mm × 2mm × 0.74mm)_2025-21
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LTC3309AMPV#TRPBF - Analog Devices - 3D model - Other - 12-LEAD (2mm × 2mm × 0.74mm)_2025-21
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LTC3309AMPV#TRPBF Details

  • Manufacturer Part Number:

    LTC3309AMPV#TRPBF

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LQFN-12

  • Pin Count:

    12

  • Manufacturer Package Code:

    05-08-1530

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Date Of Intro:

    2019-06-14

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Additional Feature:

    VOUT RANGE: 0.5V TO 5.5

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.25 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-XQCC-N12

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    150 °C

  • Operating Temperature-Min:

    -55 °C

  • Output Current-Max:

    10.1 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.5 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Packing Method:

    TR

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.83 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    3000 kHz

  • Technology:

    CMOS

  • Terminal Finish:

    Gold (Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

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

    30

  • Width:

    2 mm

LTC3309AMPV#TRPBF Frequently Asked Questions (FAQs)

  • A good PCB layout for the LTC3309 involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
  • To ensure stability, make sure to follow the recommended component values and PCB layout guidelines. Additionally, ensure that the input and output capacitors are of high quality and have low ESR. Also, avoid using long traces and vias near the device, and keep the feedback network as simple as possible.
  • The maximum input voltage that can be applied to the LTC3309 is 14V. Exceeding this voltage can cause damage to the device. It's recommended to add input voltage protection, such as a voltage clamp or a TVS diode, to prevent overvoltage conditions.
  • The LTC3309 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 output current and voltage at high temperatures, and to ensure good thermal management, such as using a heat sink or a thermally conductive PCB material.
  • To troubleshoot issues with the LTC3309, start by checking the input voltage, output voltage, and output current. Use an oscilloscope to check for oscillations or ringing on the output. Verify that the component values and PCB layout match the recommended values and layout. Check for any signs of overheating, such as excessive temperature or thermal shutdown. Consult the datasheet and application notes for troubleshooting guides and tips.

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LTC3309AMPV#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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