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STG1218IQT - STMicroelectronics

Description: Dual supply, quad SPDT switch, 1.8 V and 3.3 V logic input compatible

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STG1218IQT - STMicroelectronics - PCB symbol
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PCB Footprints
STG1218IQT - STMicroelectronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - QFN20 (4x4 mm) package*
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3D Models
STG1218IQT - STMicroelectronics - 3D model - Quad Flat No-Lead - QFN20 (4x4 mm) package*
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STG1218IQT Details

  • Manufacturer Part Number:

    STG1218IQT

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-20

  • Country Of Origin:

    Mainland China

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Factory Lead Time:

    24 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    7

  • Analog IC - Other Type:

    SPDT

  • JESD-30 Code:

    S-XQCC-N20

  • Length:

    4 mm

  • Normal Position:

    NC

  • Number of Channels:

    1

  • Number of Functions:

    4

  • Number of Terminals:

    20

  • Off-state Isolation-Nom:

    66 dB

  • On-state Resistance Match-Nom:

    0.3 Ω

  • On-state Resistance-Max (Ron):

    14 Ω

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output:

    COMMON OUTPUT

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC20,.16SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Seated Height-Max:

    0.8 mm

  • Signal Current-Max:

    0.15 A

  • Supply Voltage-Max (Vsup):

    5.5 V

  • Supply Voltage-Min (Vsup):

    2.7 V

  • Supply Voltage-Nom (Vsup):

    3 V

  • Surface Mount:

    YES

  • Switch-off Time-Max:

    850 ns

  • Switch-on Time-Max:

    855 ns

  • Switching:

    BREAK-BEFORE-MAKE

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    4 mm

STG1218IQT Frequently Asked Questions (FAQs)

  • STMicroelectronics provides a recommended PCB layout in the application note AN5153, which includes guidelines for thermal vias, copper pours, and component placement to ensure optimal thermal performance.
  • The input capacitor selection depends on the input voltage, output voltage, and output current. A general guideline is to choose a capacitor with a voltage rating of at least 1.5 times the input voltage, and a capacitance value between 1uF to 10uF. Refer to the application note AN5153 for more detailed guidance.
  • The maximum allowed voltage on the enable pin (EN) is 6V. Exceeding this voltage may damage the device. It's recommended to use a voltage divider or a level shifter if the control signal is higher than 6V.
  • To ensure stability, follow the recommended PCB layout, use a sufficient input capacitor, and ensure the output capacitor is properly sized. Additionally, avoid using long traces and minimize the loop area of the feedback network. If oscillations occur, try adding a small capacitor (e.g., 10nF) between the output and ground.
  • The minimum input voltage required for the STG1218IQT to operate is 2.5V. However, the device can operate down to 2.2V with reduced performance and efficiency.

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STG1218IQT 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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