- Datasheet Download Datasheet
- Stock & Prices $ Price & Stock for MAX803SQ438T1G
- Part Number MAX803SQ438T1G
- Manufacturer onsemi
- Pin Count 3
- Part Category Integrated Circuit
- Package Category SOT23 (3-Pin)
- Footprint Name SOT23 (3-Pin) - SC-70 (SOT-323) CASE419-04
- Released Date Mar 10, 2016
- Last Modified Date Mar 7, 2023 4:10 PM UTC
- Pinout / Pin List Click Here (Member Only)
MAX803SQ438T1G Details
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Manufacturer Part Number:
MAX803SQ438T1G
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Brand Name:
onsemi
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Pbfree Code:
Yes
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Rohs Code:
Yes
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Part Life Cycle Code:
Obsolete
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Part Package Code:
SC-70 (SOT-323) 3 LEAD
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Pin Count:
3
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Manufacturer Package Code:
419-04
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Country Of Origin:
Malaysia
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ECCN Code:
EAR99
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HTS Code:
8542.39.00.60
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Factory Lead Time:
4 Weeks
MAX803SQ438T1G Frequently Asked Questions (FAQs)
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A good PCB layout for the MAX803SQ438T1G involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing trace lengths and widths to reduce parasitic inductance and capacitance.
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To ensure proper power-up and initialization, apply a monotonic power supply ramp-up, and ensure that the input voltage reaches the minimum specified voltage before enabling the device. Also, ensure that the EN pin is properly driven to enable the device.
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The MAX803SQ438T1G has a thermal shutdown feature that activates when the junction temperature exceeds 150°C. To prevent overheating, ensure good airflow, use a heat sink if necessary, and avoid high ambient temperatures. Also, follow the recommended PCB layout and thermal design guidelines.
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To troubleshoot issues with the MAX803SQ438T1G, start by verifying the input voltage, output voltage, and current. Check for proper PCB layout, decoupling, and component selection. Use an oscilloscope to observe the output voltage and current waveforms, and consult the datasheet and application notes for guidance.
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Yes, the MAX803SQ438T1G is susceptible to electromagnetic interference (EMI). To minimize EMI, use a shielded enclosure, keep the device away from high-frequency sources, and follow proper PCB layout and grounding techniques. Also, ensure that the input and output filters are properly designed and implemented.
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MAX803SQ438T1G Overview
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