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ADP1853ACPZ-R7 - Analog Devices

Description: Switching Controllers Synch, StepDown DC/DC Cntr w/Volt trking

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ADP1853ACPZ-R7 - Analog Devices - PCB symbol
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PCB Footprints
ADP1853ACPZ-R7 - Analog Devices PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - (CP-20-8)
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3D Models
ADP1853ACPZ-R7 - Analog Devices - 3D model - Quad Flat No-Lead - (CP-20-8)
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ADP1853ACPZ-R7 Details

  • Manufacturer Part Number:

    ADP1853ACPZ-R7

  • Source Url Status Check Date:

    2013-05-01 14:56:45.357

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    LFCSP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    CP-20-10

  • Country Of Origin:

    South Korea

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    10

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    2.75 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-PQCC-N20

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    25 A

  • Output Voltage-Max:

    10.8 V

  • Output Voltage-Min:

    0.6 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    QCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    0.8 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1725 kHz

  • Technology:

    DMOS

  • 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

ADP1853ACPZ-R7 Frequently Asked Questions (FAQs)

  • A good PCB layout is crucial for the ADP1853ACPZ-R7. Ensure that the input and output capacitors are placed close to the IC, and the high-current paths are short and wide. Use a solid ground plane and avoid routing high-frequency signals near sensitive analog nodes. Refer to the ADP1853 evaluation board layout as a reference.
  • Choose input capacitors with low ESR (Equivalent Series Resistance) and high ripple current ratings. For output capacitors, select ones with low ESR, high capacitance, and a voltage rating that meets or exceeds the output voltage. A good starting point is to use 10uF to 22uF ceramic capacitors for both input and output.
  • The ADP1853ACPZ-R7 is rated for operation up to 125°C junction temperature. However, for reliable operation, it's recommended to keep the ambient temperature below 85°C to ensure a safe margin. Proper thermal design, including heat sinking and airflow, is essential to maintain a safe operating temperature.
  • To ensure stability, follow the recommended component values and PCB layout guidelines. Additionally, ensure that the output capacitor is properly sized and placed close to the IC. Avoid using capacitors with high ESL (Equivalent Series Inductance) or high Q values, as they can cause oscillations. If oscillations occur, try adding a small series resistor (1-10 ohms) to the output capacitor.
  • The ADP1853ACPZ-R7 is specified to operate from 2.7V to 5.5V input voltage. However, for optimal performance, it's recommended to operate within the 3.3V to 5V range. This ensures that the internal voltage regulators and power stages operate within their optimal ranges, resulting in better efficiency and stability.

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ADP1853ACPZ-R7 Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like ADP18, or try a keyword search, such as Switching Regulator or Controllers

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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