Part Details for TOP249FN by Power Integrations
Results Overview of TOP249FN by Power Integrations
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (0 options)
- 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.
TOP249FN Information
TOP249FN by Power Integrations is a Power Management Circuit.
Power Management Circuits 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 TOP249FN
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
TOP249FN-ND
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DigiKey | IC OFFLINE SW FLYBACK TO262-7C Container: Tube |
0 Tube |
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Buy Now |
US Tariff Estimator: TOP249FN by Power Integrations
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.
TOP249FN Part Data Attributes
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TOP249FN
Power Integrations
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Datasheet
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Compare Parts:
TOP249FN
Power Integrations
LOAD SWITCH, CMOS, PZIP6
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | TO-262 | |
| Pin Count | 3 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Additional Feature | Requires An Ac Supply Of 85 To 265 V; Seated Hgt-Nom | |
| Analog IC - Other Type | Load Switch | |
| JESD-30 Code | R-PZIP-T6 | |
| Length | 10.29 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 6 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | ZIP | |
| Package Equivalence Code | ZIP6,.27,.06,100/50TB | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 15.1 Mm | |
| Surface Mount | No | |
| Technology | Cmos | |
| Temperature Grade | Automotive | |
| Terminal Finish | Pure Matte Tin (Sn) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Zig-Zag | |
| Width | 4.435 Mm |
TOP249FN Frequently Asked Questions (FAQ)
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The maximum output power of the TOP249FN depends on the input voltage, output voltage, and current. However, as a general guideline, it can deliver up to 250W of output power with a suitable heat sink and proper thermal design.
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To select the right transformer, you need to consider the input voltage, output voltage, and power rating. Power Integrations provides a transformer selection guide in their application notes, which can help you choose the correct transformer. Additionally, you can use online transformer selection tools or consult with a transformer manufacturer.
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The BYPASS pin is used to bypass the internal voltage regulator and connect an external voltage source to power the IC. This pin is typically used in applications where a higher voltage is required for the control circuitry or when an external voltage source is available.
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The TOP249FN has a built-in OVP feature that can be enabled by connecting a resistor and a zener diode between the VCC pin and the OVP pin. The resistor and zener diode values depend on the desired OVP threshold voltage. Consult the datasheet and application notes for more information.
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The recommended layout and thermal design for the TOP249FN involve placing the IC on a multi-layer PCB with a solid ground plane, using thermal vias to connect the IC to the heat sink, and ensuring good airflow around the heat sink. Power Integrations provides layout and thermal design guidelines in their application notes and evaluation boards.