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NCP1082DEG - onsemi

Description: Obsolete - Integrated PoE-PD and DC-DC converter controller, 13 W, with auxiliary supply support

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NCP1082DEG - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - TSSOP-20 EP CASE 948AB-01
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NCP1082DEG - onsemi  - 3D model - Small Outline Packages - TSSOP-20 EP CASE 948AB-01
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NCP1082DEG Details

  • Manufacturer Part Number:

    NCP1082DEG

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    TSSOP-20 EP, 6.5x4.4

  • Package Description:

    TSSOP-20

  • Pin Count:

    20

  • Manufacturer Package Code:

    948AB

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    4 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    0

  • Additional Feature:

    ALSO OPERATES AS LDO REGULATOR

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    57 V

  • Input Voltage-Nom:

    1.4 V

  • JESD-30 Code:

    R-PDSO-G20

  • JESD-609 Code:

    e3

  • Length:

    6.5 mm

  • Moisture Sensitivity Level:

    2

  • Number of Functions:

    1

  • Number of Terminals:

    20

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Voltage-Nom:

    9 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HTSSOP

  • Package Equivalence Code:

    TSSOP20,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    500 kHz

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    MATTE TIN

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    4.4 mm

NCP1082DEG Frequently Asked Questions (FAQs)

  • The recommended PCB layout for optimal thermal performance involves placing the device on a thermal pad connected to a large copper area on the PCB, and ensuring good airflow around the device. A 2-3 layer PCB with a solid ground plane is also recommended.
  • To ensure reliable startup of the device, make sure the input voltage rises monotonically and does not droop during startup. Also, ensure that the input capacitor is properly sized to handle the inrush current during startup.
  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage may damage the device. It is recommended to use a voltage divider or a buffer to ensure the EN pin voltage does not exceed 6V.
  • The NCP1082DEG is rated for operation up to 150°C, but the device's performance and reliability may degrade at high temperatures. It is recommended to derate the device's output current and voltage at high temperatures to ensure reliable operation.
  • To troubleshoot oscillations or instability in the output voltage, check the PCB layout for any signs of resonance or noise coupling. Ensure that the input and output capacitors are properly sized and placed, and that the feedback loop is properly compensated. Also, check for any signs of overheating or thermal stress on the device.

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NCP1082DEG Overview

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Part Image NCP1082DER2G onsemi

Switching Controller, Current-mode, 500kHz Switching Freq-Max, PDSO20