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FAN7842MX - onsemi

Description: Output In-phase with Input Signal; VCC & VBS Supply Range from 10V to 20V ; UVLO Functions for Both Channels ; TTL-Compatible Input Logic Threshold Levels ; Floating Channels Designed for Bootstrap Operation to +200V; Matched Propagation Delay Below 50nsec ; Extended Allowable Negative VS Swing to -9V for Signal Propagation @ VCC=VBS=15V ; Common-Mode dv/dt Noise Canceling Circuit; Typically 350mA/650mA Sourcing/Sinking Current Driving Capability for Both Channels

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FAN7842MX - onsemi PCB footprint - Small Outline Packages - Small Outline Packages - 8-SOP(Height=1.8mm)
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FAN7842MX - onsemi  - 3D model - Small Outline Packages - 8-SOP(Height=1.8mm)
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FAN7842MX Details

  • Manufacturer Part Number:

    FAN7842MX

  • Brand Name:

    onsemi

  • Pbfree Code:

    Yes

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOIC-8

  • Package Description:

    SOP-8

  • Manufacturer Package Code:

    751EG

  • Country Of Origin:

    Philippines

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    15 Weeks

  • Manufacturer:

    onsemi

  • YTEOL:

    7.75

  • High Side Driver:

    YES

  • Input Characteristics:

    GATED SCHMITT TRIGGER

  • Interface IC Type:

    HALF BRIDGE BASED MOSFET DRIVER

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e4

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Characteristics:

    STANDARD

  • Output Peak Current Limit-Nom:

    0.65 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    0.6 mA

  • Supply Voltage-Max:

    20 V

  • Supply Voltage-Min:

    10 V

  • Supply Voltage-Nom:

    15 V

  • Supply Voltage1-Max:

    220 V

  • Supply Voltage1-Min:

    6 V

  • Supply Voltage1-Nom:

    15 V

  • Surface Mount:

    YES

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    NICKEL PALLADIUM GOLD

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

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

    30

  • Turn-off Time:

    0.3 µs

  • Turn-on Time:

    0.3 µs

  • Width:

    3.91 mm

FAN7842MX Frequently Asked Questions (FAQs)

  • A good PCB layout for the FAN7842MX involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the high-current paths. It's also recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog circuits.
  • The inductor value depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor value recommended in the datasheet (e.g., 2.2 μH for the FAN7842MX). Then, adjust the value based on the specific requirements of your application, such as output voltage ripple and efficiency.
  • The maximum ambient temperature for the FAN7842MX is 85°C, but it's recommended to derate the device's power dissipation at higher temperatures to ensure reliable operation.
  • Yes, the FAN7842MX can be used in a synchronous rectification configuration to improve efficiency. However, this requires additional external components and careful design to ensure proper operation.
  • To troubleshoot issues with the FAN7842MX, start by checking the PCB layout, component values, and soldering quality. Then, use an oscilloscope to measure the voltage and current waveforms at the input, output, and switching node. Compare the results with the expected waveforms in the datasheet to identify the root cause of the issue.

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FAN7842MX Overview

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