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NCP1239PD65R2G - onsemi

Description: 64-ms timer-based short-circuit protection with auto-recovery or latched operation; Pre-short ready; Latched OVP on Vcc (NCP1239 A & B versions); Latched OVP/OTP input for improved robustness; 35-V Vcc operation ; +500 mA/ -500 mA peak source/sink drive capability; Internal thermal shutdown; Extremely low no-load standby power; Pin-to-pin compatible with the existing NCP1236/1247 series; Fixed-frequency 65-kHz or 100-kHz current-mode control operation; Frequency foldback down to 26 kHz and skip mode; Adjust

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NCP1239PD65R2G - onsemi PCB footprint - Other - Other - NCP1239PD65R2G-2
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NCP1239PD65R2G Details

  • Manufacturer Part Number:

    NCP1239PD65R2G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-7

  • Package Description:

    SOIC-8/7

  • Manufacturer Package Code:

    751U

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    20 Weeks

  • Date Of Intro:

    2019-09-20

  • Manufacturer:

    onsemi

  • YTEOL:

    6

  • Additional Feature:

    ALSO CONTAIN frequency modulation

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT/VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    35 V

  • Input Voltage-Min:

    9.4 V

  • Input Voltage-Nom:

    11 V

  • JESD-30 Code:

    R-PDSO-G7

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    7

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP7/8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max (Isup):

    4 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    SINGLE

  • Switching Frequency-Max:

    70 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    3.9 mm

NCP1239PD65R2G 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 minimum of 2oz copper thickness is recommended.
  • To ensure reliable start-up of the device in a high-temperature environment, it is recommended to add a soft-start circuit to limit the inrush current during start-up, and to ensure that the input voltage is within the recommended range.
  • The maximum allowed voltage on the EN pin is 6V, exceeding which may cause damage to the device. It is recommended to use a voltage limiter or a resistor divider network to ensure the voltage on the EN pin does not exceed 6V.
  • To troubleshoot issues with the device not switching on, check the input voltage, ensure the EN pin is high, and verify that the device is not in over-temperature shutdown. Also, check for any short circuits or open circuits on the PCB.
  • The recommended input capacitor value is 10uF to 22uF, and it is recommended to use a low-ESR ceramic capacitor or a film capacitor with a voltage rating of at least 50V.

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NCP1239PD65R2G Overview

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