Part Details for TOP221P by Power Integrations
Results Overview of TOP221P by Power Integrations
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (1 replacement)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- 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.
TOP221P Information
TOP221P by Power Integrations 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 TOP221P
| Part # | Distributor | Description | Stock | Price | Buy | |
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Vyrian | Other Function Semiconductors | 1612 |
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RFQ |
Part Details for TOP221P
TOP221P CAD Models
TOP221P Part Data Attributes
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TOP221P
Power Integrations
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Datasheet
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TOP221P
Power Integrations
Switching Regulator, Voltage-mode, 0.28A, 110kHz Switching Freq-Max, CMOS, PDIP8, 0.300 INCH, PLASTIC, DIP-8
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | POWER INTEGRATIONS INC | |
| Part Package Code | DIP | |
| Package Description | 0.300 INCH, PLASTIC, DIP-8 | |
| Pin Count | 8 | |
| Reach Compliance Code | unknown | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.01 | |
| Samacsys Manufacturer | Power Integrations | |
| Analog IC - Other Type | SWITCHING REGULATOR | |
| Control Mode | VOLTAGE-MODE | |
| Control Technique | PULSE WIDTH MODULATION | |
| JESD-30 Code | R-PDIP-T8 | |
| JESD-609 Code | e0 | |
| Length | 9.59 mm | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 0.28 A | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | DIP | |
| Package Equivalence Code | DIP8,.3 | |
| Package Shape | RECTANGULAR | |
| Package Style | IN-LINE | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 4.45 mm | |
| Surface Mount | NO | |
| Switcher Configuration | BOOST | |
| Switching Frequency-Max | 110 kHz | |
| Technology | CMOS | |
| Temperature Grade | AUTOMOTIVE | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | DUAL | |
| Width | 7.62 mm |
Alternate Parts for TOP221P
This table gives cross-reference parts and alternative options found for TOP221P. 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 TOP221P, 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 |
|---|---|---|---|---|
| TOP221PN | Power Integrations | $2.2225 | Switching Regulator, Voltage-mode, 0.28A, 110kHz Switching Freq-Max, CMOS, PDIP8, DIP-8 | TOP221P vs TOP221PN |
TOP221P Frequently Asked Questions (FAQ)
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The maximum output power of the TOP221P is 22W, but it can be derated based on the input voltage, output voltage, and ambient temperature.
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To ensure the TOP221P operates within its SOA, follow the guidelines in the datasheet for input voltage, output voltage, output current, and ambient temperature. Also, make sure to provide adequate heat sinking and thermal management.
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The BYPASS pin is used to connect a bypass capacitor to the internal voltage regulator. This helps to reduce the noise and ripple on the internal voltage regulator output, ensuring stable operation of the TOP221P.
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No, the TOP221P is not suitable for high-impedance output designs. It is designed for low-impedance output applications, such as those found in offline power supplies. Using it in a high-impedance output design may lead to instability and reduced performance.
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To optimize the transformer design, follow the guidelines in the datasheet for transformer turns ratio, magnetizing inductance, and leakage inductance. Also, consider the input voltage, output voltage, and output power requirements of your design.