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PM6670STR - STMicroelectronics

Description: Complete DDR2/3 memory power supply controller VFQFPN-24 4x4 , 4.5V to 28V , 2.3W , -40°C to 125°C

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Symbol
PM6670STR - STMicroelectronics - PCB symbol
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PCB Footprints
PM6670STR - STMicroelectronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - VFQFPN-24_2025-1.11
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3D Models
PM6670STR - STMicroelectronics - 3D model - Quad Flat No-Lead - VFQFPN-24_2025-1.11
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PM6670STR Details

  • Manufacturer Part Number:

    PM6670STR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Obsolete

  • Part Package Code:

    QFN

  • Package Description:

    4 X 4 MM, LEAD FREE, VFQFPN-24

  • Pin Count:

    24

  • Manufacturer Package Code:

    VFQFPN

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    0

  • Analog IC - Other Type:

    SWITCHING CONTROLLER

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    28 V

  • Input Voltage-Min:

    4.5 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-XQCC-N24

  • JESD-609 Code:

    e3

  • Length:

    4 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    24

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Max:

    2.6 V

  • Output Voltage-Min:

    0.9 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC24,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Supply Current-Max (Isup):

    2 mA

  • Surface Mount:

    YES

  • Switcher Configuration:

    PUSH-PULL

  • Temperature Grade:

    INDUSTRIAL

  • Terminal Finish:

    Matte Tin (Sn)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

PM6670STR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4571, which includes guidelines for thermal vias, copper pours, and component placement to minimize thermal resistance and ensure reliable operation.
  • The input capacitor selection depends on the input voltage, current, and frequency. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the maximum input voltage, and a capacitance value between 10uF to 100uF. Consult the application note AN4571 for more detailed guidance.
  • The maximum allowed voltage drop across the PM6670STR is typically around 1.5V to 2V, depending on the specific application and operating conditions. Exceeding this voltage drop may lead to reduced efficiency, increased heat generation, or even device failure.
  • Proper cooling can be achieved by providing adequate airflow, using a heat sink with a thermal interface material, and ensuring good thermal contact between the device and the heat sink. The application note AN4571 provides more detailed guidelines for thermal management.
  • Key considerations for EMI filtering include using a common-mode choke, selecting the correct capacitor values, and ensuring proper PCB layout and grounding. Consult the application note AN4571 and the STMicroelectronics EMI filtering guidelines for more information.

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PM6670STR Overview

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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