Part Details for SPX3940T-L-3-3/TR by Sipex Corporation
Results Overview of SPX3940T-L-3-3/TR by Sipex Corporation
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (1 option)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
SPX3940T-L-3-3/TR Information
SPX3940T-L-3-3/TR by Sipex Corporation is a Linear Regulator IC.
Linear Regulator ICs are under the broader part category of Power Circuits.
A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.
Price & Stock for SPX3940T-L-3-3/TR
| Part # | Distributor | Description | Stock | Price | Buy | |
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Quest Components | 28 |
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$1.4400 / $2.4000 | Buy Now |
Part Details for SPX3940T-L-3-3/TR
SPX3940T-L-3-3/TR CAD Models
SPX3940T-L-3-3/TR Part Data Attributes
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SPX3940T-L-3-3/TR
Sipex Corporation
Buy Now
Datasheet
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SPX3940T-L-3-3/TR
Sipex Corporation
Fixed Positive LDO Regulator, 3.3V, 0.55V Dropout, PSSO3, LEAD FREE, TO-263AA, TO-263, 3 PIN
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Ihs Manufacturer | SIPEX CORP | |
| Package Description | LEAD FREE, TO-263AA, TO-263, 3 PIN | |
| Reach Compliance Code | unknown | |
| Dropout Voltage1-Max | 0.55 V | |
| Input Voltage-Max | 16 V | |
| Input Voltage-Min | 4.3 V | |
| JESD-30 Code | R-PSSO-G3 | |
| JESD-609 Code | e3 | |
| Length | 10.16 mm | |
| Moisture Sensitivity Level | 3 | |
| Number of Functions | 1 | |
| Number of Terminals | 3 | |
| Output Voltage1-Max | 3.416 V | |
| Output Voltage1-Min | 3.184 V | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | TO-263 | |
| Package Equivalence Code | SMSIP3H,.55TB | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 245 | |
| Qualification Status | Not Qualified | |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | |
| Seated Height-Max | 5.08 mm | |
| Surface Mount | YES | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | SINGLE | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Width | 8.965 mm |
Alternate Parts for SPX3940T-L-3-3/TR
This table gives cross-reference parts and alternative options found for SPX3940T-L-3-3/TR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SPX3940T-L-3-3/TR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| SPX3940T-L-3-3/TR | MaxLinear Inc | Check for Price | Fixed Positive LDO Regulator, 3.3V, 0.55V Dropout, PSSO3, LEAD FREE, TO-263AA, TO-263, 3 PIN | SPX3940T-L-3-3/TR vs SPX3940T-L-3-3/TR |
SPX3940T-L-3-3/TR Frequently Asked Questions (FAQ)
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A good PCB layout for the SPX3940T-L-3-3/TR involves keeping the input and output traces short and separate, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane and a separate ground plane is recommended.
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To ensure reliable operation over the full temperature range, it's essential to follow proper thermal design and layout guidelines. This includes providing adequate heat sinking, using thermal vias, and keeping the device away from heat sources. Additionally, ensure that the device is operated within its specified voltage and current limits.
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The SPX3940T-L-3-3/TR is a sensitive device and requires proper ESD protection during handling and assembly. It's recommended to follow standard ESD handling procedures, such as using an ESD wrist strap, ESD mat, and ESD-safe packaging. The device should be handled in a static-controlled environment, and devices should not be exposed to temperatures above 150°C during soldering.
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While the SPX3940T-L-3-3/TR is a high-quality device, it's essential to evaluate its suitability for high-reliability or aerospace applications. Exar Corporation may offer specific versions or variants of the device that are designed for these applications, which may require additional testing and certification. It's recommended to consult with Exar Corporation or a qualified representative to determine the device's suitability for these applications.
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To troubleshoot common issues with the SPX3940T-L-3-3/TR, start by verifying the device's operating conditions, such as input voltage, output load, and ambient temperature. Check for proper PCB layout, decoupling, and thermal design. Use oscilloscopes and current probes to measure the device's output voltage and current. Consult the datasheet and application notes for troubleshooting guidelines, and consider seeking support from Exar Corporation or a qualified engineer.