| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| PT6621D | Power Trends Inc | Check for Price | Switching Regulator, 6.5A, 775kHz Switching Freq-Max, Hybrid | PT6621D vs PT6621D |
Part Details for PT6621D by Texas Instruments
Results Overview of PT6621D by Texas Instruments
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (1 option)
- CAD Models: (Request Part)
- 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.
PT6621D Information
PT6621D by Texas Instruments is a Switching Regulator or Controller.
Switching Regulator or Controllers 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 PT6621D
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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Rochester Electronics | Switching Regulator, Voltage-mode, 6A, 750kHz Switching Freq-Max, Hybrid, PSMA14 RoHS: Compliant Status: Obsolete Min Qty: 1 | 6 |
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$23.6900 / $29.6100 | Buy Now |
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Vyrian | Switching Regulator, Voltage-mode, 6A, 750kHz Switching Freq-Max, Hybrid, PSMA14 | 5495 |
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RFQ |
US Tariff Estimator: PT6621D by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
PT6621D Part Data Attributes
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PT6621D
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
PT6621D
Texas Instruments
Switching Regulator, Voltage-mode, 6A, 750kHz Switching Freq-Max, Hybrid, PSMA14
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | MODULE | |
| Package Description | Rohs Compliant, Horizontal Mount Package-14 | |
| Pin Count | 14 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Analog IC - Other Type | Switching Regulator | |
| Control Mode | Voltage-Mode | |
| Input Voltage-Max | 16 V | |
| Input Voltage-Min | 9 V | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | R-PSMA-T14 | |
| Number of Functions | 1 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 6 A | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SMA | |
| Package Equivalence Code | SIP14H,1.2 | |
| Package Shape | Rectangular | |
| Package Style | Microelectronic Assembly | |
| Peak Reflow Temperature (Cel) | Not Specified | |
| Qualification Status | Not Qualified | |
| Surface Mount | No | |
| Switcher Configuration | Single | |
| Switching Frequency-Max | 750 Khz | |
| Technology | Hybrid | |
| Temperature Grade | Industrial | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Single | |
| Time@Peak Reflow Temperature-Max (s) | Not Specified |
Alternate Parts for PT6621D
This table gives cross-reference parts and alternative options found for PT6621D. 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 PT6621D, 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.
PT6621D Frequently Asked Questions (FAQ)
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Texas Instruments provides a recommended PCB layout in the datasheet, but it's essential to follow good PCB design practices, such as keeping the input and output traces separate, using a solid ground plane, and minimizing loop areas to reduce EMI.
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To ensure reliable start-up and shutdown, it's crucial to follow the recommended power sequencing, ensure a stable input voltage, and add a soft-start circuit to prevent inrush currents. Additionally, consider adding a voltage supervisor to monitor the input voltage and reset the device if it falls below a certain threshold.
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While the datasheet specifies a maximum output current of 2A, it's essential to consider the thermal limitations and derate the output current accordingly. The actual output current capability will depend on the ambient temperature, PCB layout, and heat sinking.
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To minimize standby power consumption, ensure that the enable pin is properly driven, use a low-quiescent-current voltage regulator, and consider adding a power-good signal to shut down the device when not in use. Additionally, optimize the output voltage and current to minimize losses.
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To ensure EMI compliance, it's essential to add proper filtering components, such as ferrite beads and capacitors, to the input and output lines. Additionally, consider using a shielded inductor, and ensure that the PCB layout and component placement minimize radiated emissions.