- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for SI4943CDY-T1-E3
- Part Number SI4943CDY-T1-E3
- Manufacturer Vishay
- Pin Count 8
- Part Category Integrated Circuit
- Package Category Small Outline Packages
- Footprint Name Small Outline Packages - SO8
- Released Date Jun 24, 2022
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
SI4943CDY-T1-E3 Details
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Manufacturer Part Number:
SI4943CDY-T1-E3
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Rohs Code:
Yes
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Part Life Cycle Code:
Active
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Package Description:
ROHS COMPLIANT, MS-012, SOIC-8
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ECCN Code:
EAR99
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Factory Lead Time:
19 Weeks
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Manufacturer:
Vishay Intertechnologies
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YTEOL:
5
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Configuration:
SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE
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DS Breakdown Voltage-Min:
20 V
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Drain Current-Max (ID):
8 A
SI4943CDY-T1-E3 Frequently Asked Questions (FAQs)
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A good PCB layout for the SI4943CDY-T1-E3 should include a thermal pad connected to a large copper area on the PCB to dissipate heat efficiently. Ensure that the thermal pad is not connected to any signal or power traces to prevent electrical noise and heat conduction issues.
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Choose input capacitors with low ESR (Equivalent Series Resistance) and high ripple current ratings to minimize voltage ripple and ensure stable operation. Output capacitors should have low ESR, high capacitance, and be rated for the maximum output voltage. Consult the datasheet and application notes for specific recommendations.
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The maximum safe operating area (SOA) for the SI4943CDY-T1-E3 is not explicitly stated in the datasheet. However, it can be estimated by analyzing the MOSFET's voltage and current ratings, as well as its thermal characteristics. Consult Vishay's application notes and SOA calculation guidelines for more information.
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To prevent shoot-through current, ensure that the dead-time between the high-side and low-side MOSFETs is sufficient (typically 10-20 ns). Use a gate driver with a built-in dead-time generator or implement a dead-time circuit using external components. Additionally, consider using a MOSFET with a built-in gate resistor to reduce the risk of shoot-through current.
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The recommended gate drive voltage for the SI4943CDY-T1-E3 is between 4.5 V and 15 V. A higher gate drive voltage can reduce the MOSFET's on-resistance and improve its switching performance, but may also increase the risk of gate oxide damage. Consult the datasheet and application notes for specific recommendations.
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SI4943CDY-T1-E3 Overview
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