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ST1S12G18R - STMicroelectronics

Description: Synchronous rectification with enable, 0.7 A, 1.7 MHz fixed or adjustable step-down switching regulator in TSOT23-5L

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PCB Footprints
ST1S12G18R - STMicroelectronics PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - TSOT23-5L_21
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3D Models
ST1S12G18R - STMicroelectronics  - 3D model - SOT23 (5-Pin) - TSOT23-5L_21
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ST1S12G18R Details

  • Manufacturer Part Number:

    ST1S12G18R

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    SOT-23

  • Package Description:

    LEAD FREE, TSOT-23, 5 PIN

  • Pin Count:

    5

  • Country Of Origin:

    Malaysia

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    18 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7.3

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.5 V

  • Input Voltage-Nom:

    3.6 V

  • JESD-30 Code:

    R-PDSO-G5

  • JESD-609 Code:

    e4

  • Length:

    2.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    0.7 A

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    TSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, THIN PROFILE, SHRINK PITCH

  • Peak Reflow Temperature (Cel):

    260

  • Qualification Status:

    Not Qualified

  • Seated Height-Max:

    1.1 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    2080 kHz

  • Technology:

    NMOS

  • Temperature Grade:

    AUTOMOTIVE

  • Terminal Finish:

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

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

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

    30

  • Width:

    1.6 mm

ST1S12G18R Frequently Asked Questions (FAQs)

  • The recommended operating voltage range for the ST1S12G18R is 1.7V to 3.6V.
  • The power-up sequence should be VCC first, then VPP, and then the clock signal. For power-down, the sequence should be reversed. It's also recommended to add a power-on reset circuit to ensure proper initialization.
  • The maximum clock frequency supported by the ST1S12G18R is 133 MHz.
  • A reliable reset circuit can be implemented using a voltage supervisor IC, such as the STMicroelectronics STM660, which can detect power-on reset and brown-out conditions.
  • Key considerations for PCB layout and design include keeping the clock signal traces short and shielded, using a solid ground plane, and minimizing noise and EMI.

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ST1S12G18R 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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