Part Details for UC3879N by Texas Instruments
Results Overview of UC3879N by Texas Instruments
- Distributor Offerings: (6 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (7 options)
- CAD Models: (Available)
- 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.
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UC3879N Information
UC3879N 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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| UC3879N | Texas Instruments | Phase Shift Resonant Controller 20-PDIP 0 to 70 |
Price & Stock for UC3879N
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
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DISTI #
296-11335-5-ND
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DigiKey | IC REG CTRLR HALF-BRIDGE 20DIP Min Qty: 1 Lead time: 12 Weeks Container: Tube |
154 In Stock |
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$11.8596 / $18.3900 | Buy Now |
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DISTI #
595-UC3879N
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Mouser Electronics | Switching Controllers Phase Shift Resonant Controller RoHS: Compliant | 129 |
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$11.8500 / $18.3900 | Buy Now |
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DISTI #
UC3879N
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TME | IC: PMIC, resonant mode controller, DIP20, 0÷70°C, 10.75÷20V, tube Min Qty: 1 | 21 |
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$14.7100 / $15.7400 | Buy Now |
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Chip Stock | TEXAS INSTRUMENTS UC3879NPWM Controller, 18V-11V supply, 300 kHz, 2.2V/2A out, DIP-20 | 5400 |
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RFQ | |
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LCSC | PDIP-20 DC DC Switching Controllers RoHS | 1 |
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$20.5274 / $21.2011 | Buy Now |
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Sense Electronic Company Limited | DIP-20 | 15 |
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RFQ |
US Tariff Estimator: UC3879N 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.
Part Details for UC3879N
UC3879N CAD Models
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UC3879N Part Data Attributes
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UC3879N
Texas Instruments
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Datasheet
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UC3879N
Texas Instruments
Switching Controller, Current/voltage-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDIP20
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | DIP | |
| Pin Count | 20 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Additional Feature | Also Has Control Mode Of Ipk, Also Has Control Technique Of Resonant | |
| Analog IC - Other Type | Switching Controller | |
| Control Mode | Current/Voltage-Mode | |
| Control Technique | Pulse Width Modulation | |
| Input Voltage-Max | 20 V | |
| Input Voltage-Min | 11 V | |
| Input Voltage-Nom | 12 V | |
| JESD-30 Code | R-PDIP-T20 | |
| JESD-609 Code | e4 | |
| Length | 25.4 Mm | |
| Number of Functions | 1 | |
| Number of Terminals | 20 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Current-Max | 0.1 A | |
| Output Voltage-Max | 5.08 V | |
| Output Voltage-Min | 4.92 V | |
| Output Voltage-Nom | 5 V | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | DIP | |
| Package Equivalence Code | DIP20,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 5.08 Mm | |
| Supply Current-Max (Isup) | 35 Ma | |
| Surface Mount | No | |
| Switcher Configuration | Buck-Boost | |
| Switching Frequency-Max | 300 Khz | |
| Technology | Bipolar | |
| Temperature Grade | Commercial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for UC3879N
This table gives cross-reference parts and alternative options found for UC3879N. 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 UC3879N, 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 |
|---|---|---|---|---|
| UC2879N | Texas Instruments | $7.0035 | Switching Controller, Current/voltage-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDIP20 | UC3879N vs UC2879N |
| UC3879N | Unitrode Corporation | Check for Price | Switching Controller, Current-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDIP20 | UC3879N vs UC3879N |
| UC2879NG4 | Texas Instruments | Check for Price | Switching Controller, Current/voltage-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDIP20 | UC3879N vs UC2879NG4 |
| UC2879J | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.1A, 240kHz Switching Freq-Max, BIPolar, CDIP20 | UC3879N vs UC2879J |
| UC3879NG4 | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.1A, 240kHz Switching Freq-Max, BIPolar, PDIP20 | UC3879N vs UC3879NG4 |
| UC1879J | Texas Instruments | Check for Price | Switching Controller, Voltage-mode, 0.1A, 240kHz Switching Freq-Max, BIPolar, CDIP20 | UC3879N vs UC1879J |
| UC2879N | Unitrode Corporation | Check for Price | Switching Controller, Current-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDIP20 | UC3879N vs UC2879N |
UC3879N Frequently Asked Questions (FAQ)
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The recommended input capacitor value is 10uF to 22uF, with a voltage rating of 25V or higher, to ensure stable operation and minimize noise.
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The inductor value depends on the output voltage, output current, and switching frequency. A good starting point is to use the inductor value calculation formula provided in the datasheet, and then adjust based on the specific design requirements.
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The UC3879N can deliver up to 2A of output current, but the actual current capability depends on the input voltage, output voltage, and thermal considerations.
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Ensure good thermal design, including a heat sink if necessary, and follow the thermal design guidelines in the datasheet to keep the junction temperature below 125°C.
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The EN pin is used to enable or disable the converter. Connect the EN pin to VIN to enable the converter, or connect it to GND to disable it. Use a pull-up resistor to VIN if the EN pin is not driven.