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PM8903ATR - STMicroelectronics

Description: STMicroelectronics PM8903ATR, Step Down DC-DC Converter, 3A, Adjustable, 0.6 → 2.5 V, 16-Pin VFQFPN

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PM8903ATR - STMicroelectronics - PCB symbol
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PCB Footprints
PM8903ATR - STMicroelectronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - VFQFPN16 (3 x 3mm)--0
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PM8903ATR - STMicroelectronics - 3D model - Quad Flat No-Lead - VFQFPN16 (3 x 3mm)--0
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PM8903ATR Details

  • Manufacturer Part Number:

    PM8903ATR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    End Of Life

  • Package Description:

    3 X 3 MM, 1 MM HEIGHT, ROHS COMPLIANT, VFQFP-16

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    1

  • Additional Feature:

    ADJUSTABLE OUTPUT VOLTAGE DOWN TO 0.6 VOLT

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    VOLTAGE-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    6 V

  • Input Voltage-Min:

    2.8 V

  • Input Voltage-Nom:

    3.3 V

  • JESD-30 Code:

    S-XQCC-N16

  • JESD-609 Code:

    e4

  • Length:

    3 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    16

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -25 °C

  • Output Current-Max:

    3 A

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC16,.12SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1100 kHz

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    3 mm

PM8903ATR Frequently Asked Questions (FAQs)

  • STMicroelectronics recommends a 2-layer or 4-layer PCB with a solid ground plane and thermal vias to dissipate heat efficiently. A minimum of 2 oz copper thickness is recommended for the power traces.
  • To ensure reliable operation in high-temperature environments, it's essential to follow the recommended thermal design guidelines, use a heat sink if necessary, and ensure good airflow around the device. Additionally, consider using a thermal interface material (TIM) to improve heat transfer between the device and heat sink.
  • Monitor the output voltage, current, and temperature to detect faults and protect the device. Implement over-voltage protection (OVP), under-voltage protection (UVP), and over-temperature protection (OTP) to prevent damage to the device and ensure reliable operation.
  • To optimize the PM8903ATR for low-power consumption, use the power-saving modes (e.g., low-power mode, shutdown mode), minimize the output voltage, and optimize the switching frequency. Additionally, consider using a low-power controller or a power management IC with built-in power-saving features.
  • Use a combination of EMI filtering techniques, such as ferrite beads, common-mode chokes, and capacitors, to reduce electromagnetic interference. Implement shielding techniques, such as metal shielding or shielding cans, to contain electromagnetic radiation.

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PM8903ATR Overview

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To find more CAD model downloads similar to this part, try a partial part number search, like PM890, or try a keyword search, such as Switching Regulator or Controllers

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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