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ST1PS03AQTR - STMicroelectronics

Description: 400 mA nano-quiescent synchronous step-down converter with digital voltage selection, Power Good and load switch

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ST1PS03AQTR - STMicroelectronics - PCB symbol
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ST1PS03AQTR Details

  • Manufacturer Part Number:

    ST1PS03AQTR

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    TQFN-12

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    8

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    1.8 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-PQCC-N12

  • JESD-609 Code:

    e4

  • Length:

    2 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    12

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.4 A

  • Output Voltage-Max:

    3.3 V

  • Output Voltage-Min:

    1.6 V

  • Output Voltage-Nom:

    1.8 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    VQCCN

  • Package Equivalence Code:

    LCC12,.06X.08,16

  • Package Shape:

    RECTANGULAR

  • Package Style:

    CHIP CARRIER, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • Seated Height-Max:

    0.55 mm

  • Supply Voltage-Nom (Vsup):

    3.6 V

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2000 kHz

  • Technology:

    PMOS

  • Terminal Finish:

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

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.4 mm

  • Terminal Position:

    QUAD

  • Width:

    1.7 mm

ST1PS03AQTR Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN4553, 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, output current, and ripple requirements. A general guideline is to use a low-ESR capacitor with a value between 1-10uF, and a voltage rating at least 1.5 times the input voltage. Consult the datasheet and application notes for more specific guidance.
  • The maximum output current is dependent on the input voltage, ambient temperature, and PCB layout. While the datasheet specifies a maximum output current of 3A, it's essential to perform thermal calculations and consider derating factors to ensure reliable operation.
  • The ST1PS03AQTR is rated for operation up to 125°C, but it's crucial to consider the junction temperature, thermal resistance, and power dissipation when operating in high-temperature environments. Consult the datasheet and application notes for guidance on thermal management.
  • To ensure stability, follow the recommended PCB layout, use a suitable input capacitor, and add a 10nF-100nF ceramic capacitor between the output and ground pins. Additionally, consult the datasheet and application notes for guidance on output capacitor selection and stability analysis.

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ST1PS03AQTR 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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