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NCP1077BBP100G - onsemi

Description: Integrated 700 V MOSFET with RDS(on) of 4.7 Ω; Current-Mode Fixed Frequency Operation (65 & 100 kHz) - 130 kHz for B version only; Peak Current: NCP1076A/B = 650mA and NCP1077A/B = 800 mA; Skip-Cycle Operation at Low Peak Current; Dynamic Self-Supply (DSS); Auto-Recovery Output Short Circuit Protection with Timer-Based Detection; Frequency Foldback Operation; 300 µA No Load Power Consumption; Frequency Jittering (including during frequency foldback mode); Adjustable Brown-out Protection and OVP; Over Power

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NCP1077BBP100G Details

  • Manufacturer Part Number:

    NCP1077BBP100G

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    PDIP8 Less Pin 3

  • Manufacturer Package Code:

    626AS

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    19 Weeks

  • Manufacturer:

    onsemi

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • JESD-30 Code:

    R-PDIP-T7

  • Length:

    9.32 mm

  • 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:

    DIP

  • Package Equivalence Code:

    DIP7/8,.3

  • Package Shape:

    RECTANGULAR

  • Package Style:

    IN-LINE

  • Packing Method:

    TUBE

  • Seated Height-Max:

    4.45 mm

  • Supply Current-Max (Isup):

    15 mA

  • Supply Voltage-Nom (Vsup):

    12 V

  • Surface Mount:

    NO

  • Switcher Configuration:

    BUCK-BOOST

  • Switching Frequency-Max:

    110 kHz

  • Technology:

    MOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Form:

    THROUGH-HOLE

  • Terminal Pitch:

    2.54 mm

  • Terminal Position:

    DUAL

  • Width:

    7.62 mm

NCP1077BBP100G Frequently Asked Questions (FAQs)

  • A good PCB layout for the NCP1077BBP100G should include a solid ground plane, a separate power plane for the input voltage, and a heat sink attached to the tab of the package. The layout should also minimize the distance between the input capacitors and the device pins.
  • To ensure reliable start-up, make sure the input voltage is within the specified range, the input capacitors are properly sized, and the soft-start capacitor is correctly sized and connected. Also, ensure that the output voltage is not pre-biased before start-up.
  • The maximum allowed voltage on the EN pin is 6V. Exceeding this voltage may damage the device.
  • While it is possible to use a lower value for the bootstrap capacitor, it is not recommended as it may affect the stability of the converter. The recommended value is 100nF.
  • The output voltage ripple can be calculated using the following formula: ΔVout = (Iout * ESL) / (Cout * fsw), where ESL is the equivalent series inductance of the output capacitor, Cout is the output capacitance, and fsw is the switching frequency.

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NCP1077BBP100G Overview

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