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SY8089AAC - Silergy

Description: High Efficiency 1.5MHz/1MHz, 1.5A/2A Synchronous Step Down Regulator

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Symbol
SY8089AAC - Silergy - PCB symbol
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PCB Footprints
SY8089AAC - Silergy PCB footprint - SOT23 (5-Pin) - SOT23 (5-Pin) - SOT23-5
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3D Models
SY8089AAC - Silergy - 3D model - SOT23 (5-Pin) - SOT23-5
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SY8089AAC Details

  • Manufacturer Part Number:

    SY8089AAC

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Not Recommended

  • Package Description:

    SOT-23, 5 PIN

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Silergy Corporation

  • YTEOL:

    3

  • Additional Feature:

    SEATED HGT-CALCULATED

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    5.5 V

  • Input Voltage-Min:

    2.7 V

  • Input Voltage-Nom:

    5 V

  • JESD-30 Code:

    R-PDSO-G5

  • Length:

    2.95 mm

  • Number of Functions:

    1

  • Number of Terminals:

    5

  • Operating Temperature-Max:

    85 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    3 A

  • Output Voltage-Nom:

    2.5 V

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    LSSOP

  • Package Equivalence Code:

    TSOP5/6,.11,37

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

  • Seated Height-Max:

    1.4 mm

  • Surface Mount:

    YES

  • Switcher Configuration:

    BUCK

  • Switching Frequency-Max:

    1000 kHz

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.95 mm

  • Terminal Position:

    DUAL

  • Width:

    1.6 mm

SY8089AAC Frequently Asked Questions (FAQs)

  • A 2-layer or 4-layer PCB with a solid ground plane and thermal vias under the IC is recommended. Keep the input and output capacitors close to the IC and use short, wide traces for the power lines.
  • Ensure that the output capacitor has a low ESR (Equivalent Series Resistance) and is placed close to the IC. Also, use a minimum of 10uF output capacitance and ensure the feedback network is properly compensated.
  • The maximum input voltage rating is 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and prevent overheating.
  • The SY8089AAC is rated for operation up to 85°C, but derating is required for temperatures above 70°C. Ensure proper thermal design and heat sinking to prevent overheating.
  • Use the datasheet's output voltage ripple and noise equations, taking into account the output capacitor value, ESR, and switching frequency. You can also use simulation tools or consult with a power supply expert.

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SY8089AAC Overview

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