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MC33730EK - NXP

Description: • Provides all regulated voltages for Freescale 32-bit microcontroller family • Adjustable frequency switching buck regulator with slew-rate control • Power sequencing provided • Programmable voltages VDDL, VDD3 - 3% accuracy • Programmable standby regulator VKAM - 15% accuracy, operating down to 4.5 V at the KA_VBAT pin • VDD3 can be programmed as an optional second standby regulator with 15% accuracy • Provides two 5.0 V protected supplies for sensors • Provides reverse battery protection FET g

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Symbol
MC33730EK - NXP - PCB symbol
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PCB Footprints
MC33730EK - NXP PCB footprint - Small Outline Packages - Small Outline Packages - SOIC-32
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3D Models
MC33730EK - NXP - 3D model - Small Outline Packages - SOIC-32
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MC33730EK Details

  • Manufacturer Part Number:

    MC33730EK

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOIC-32

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    NXP Semiconductors

  • YTEOL:

    0

  • Analog IC - Other Type:

    ANALOG CIRCUIT

  • Control Mode:

    VOLTAGE-MODE

  • JESD-30 Code:

    R-PDSO-G32

  • JESD-609 Code:

    e3

  • Length:

    11 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    32

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    HSSOP

  • Package Equivalence Code:

    SSOP32,.4

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, HEAT SINK/SLUG, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    245

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    2.65 mm

  • Supply Voltage-Max (Vsup):

    26.5 V

  • Supply Voltage-Min (Vsup):

    4.5 V

  • Supply Voltage-Nom (Vsup):

    5 V

  • Surface Mount:

    YES

  • Switching Frequency-Max:

    500 kHz

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

    Tin (Sn)

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.65 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    7.5 mm

MC33730EK Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and a separate power plane is recommended. Keep the high-current paths short and wide, and use thermal vias to dissipate heat.
  • Choose an inductor with a high saturation current rating, low DC resistance, and a suitable inductance value based on the switching frequency and output voltage. Consult the datasheet for recommended inductor values.
  • The maximum ambient temperature for the MC33730EK is 105°C, but it can be derated to 85°C for high-reliability applications. Ensure proper thermal design and heat sinking to maintain a safe junction temperature.
  • The MC33730EK is rated for a maximum input voltage of 40V. For high-voltage applications, consider using a voltage regulator or a DC-DC converter with a higher voltage rating.
  • Use an oscilloscope to monitor the output voltage, input voltage, and switching node. Check for proper PCB layout, component selection, and thermal design. Consult the datasheet and application notes for troubleshooting guidelines.

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MC33730EK Overview

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About NXP

NXP Semiconductors is a leading manufacturer of semiconductor devices with a wide range of semiconductor solutions, including microcontrollers, sensors, connectivity solutions, power management ICs, and security solutions. These products are used in a variety of applications such as automotive, industrial automation, smart homes, mobile devices, and more. NXP Semiconductors is one of the world’s largest semiconductor companies and is headquartered in Eindhoven, the Netherlands.

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