| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| UC3871DW | Texas Instruments | Check for Price | Fluorescent Light Controller, Current-mode, 0.1A, 78kHz Switching Freq-Max, BIPolar, PDSO18 | UC2871DW vs UC3871DW |
| UC3871DWG4 | Texas Instruments | Check for Price | Fluorescent Light Controller, Current-mode, 0.1A, 78kHz Switching Freq-Max, BIPolar, PDSO18 | UC2871DW vs UC3871DWG4 |
| UC2871DW | Rochester Electronics LLC | Check for Price | FLUORESCENT LIGHT CONTROLLER, 78kHz SWITCHING FREQ-MAX, PDSO18, GREEN, PLASTIC, SOIC-18 | UC2871DW vs UC2871DW |
| UC3871DWTRG4 | Texas Instruments | Check for Price | Fluorescent Light Controller, Current-mode, 0.1A, 78kHz Switching Freq-Max, BIPolar, PDSO18 | UC2871DW vs UC3871DWTRG4 |
| UC2871DWTR | Texas Instruments | Check for Price | Fluorescent Light Controller, Current-mode, 0.1A, 78kHz Switching Freq-Max, BIPolar, PDSO18 | UC2871DW vs UC2871DWTR |
| UC2871DWTRG4 | Texas Instruments | Check for Price | Fluorescent Light Controller, Voltage-mode, 0.1A, 78kHz Switching Freq-Max, BIPolar, PDSO18 | UC2871DW vs UC2871DWTRG4 |
| UC3871DWTR | Texas Instruments | Check for Price | Fluorescent Light Controller, Current-mode, 0.1A, 78kHz Switching Freq-Max, BIPolar, PDSO18 | UC2871DW vs UC3871DWTR |
| UC3871DWTR | Unitrode Corporation | Check for Price | Fluorescent Light Controller, Current-mode, 200kHz Switching Freq-Max, BIPolar, PDSO18 | UC2871DW vs UC3871DWTR |
| UC2871DWG4 | Texas Instruments | Check for Price | Fluorescent Light Controller, Current-mode, 0.1A, 78kHz Switching Freq-Max, BIPolar, PDSO18 | UC2871DW vs UC2871DWG4 |
Part Details for UC2871DW by Texas Instruments
Results Overview of UC2871DW by Texas Instruments
- Distributor Offerings: (0 listings)
- Number of FFF Equivalents: (9 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (9 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.
UC2871DW Information
UC2871DW 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.
US Tariff Estimator: UC2871DW 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.
UC2871DW CAD Models
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UC2871DW Part Data Attributes
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UC2871DW
Texas Instruments
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Datasheet
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UC2871DW
Texas Instruments
Fluorescent Light Controller, Current-mode, 0.1A, 78kHz Switching Freq-Max, BIPolar, PDSO18
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| Rohs Code | Yes | |
| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | Soic-18 | |
| Pin Count | 18 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.60 | |
| Analog IC - Other Type | Fluorescent Light Controller | |
| Control Mode | Current-Mode | |
| Control Technique | Resonant Control | |
| Input Voltage-Max | 20 V | |
| Input Voltage-Min | 4.5 V | |
| Input Voltage-Nom | 5 V | |
| JESD-30 Code | R-PDSO-G18 | |
| JESD-609 Code | e4 | |
| Length | 11.55 Mm | |
| Moisture Sensitivity Level | 2 | |
| Number of Functions | 1 | |
| Number of Terminals | 18 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Output Current-Max | 0.1 A | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP18,.4 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 2.65 Mm | |
| Supply Current-Max (Isup) | 14 Ma | |
| Surface Mount | Yes | |
| Switcher Configuration | Push-Pull | |
| Switching Frequency-Max | 78 Khz | |
| Technology | Bipolar | |
| Temperature Grade | Industrial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Width | 7.5 Mm |
Alternate Parts for UC2871DW
This table gives cross-reference parts and alternative options found for UC2871DW. 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 UC2871DW, 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.
UC2871DW Frequently Asked Questions (FAQ)
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The UC2871DW is a high-frequency device, and proper layout and placement are crucial for its operation. TI recommends placing the device close to the power source, using a solid ground plane, and keeping the high-frequency traces short and away from sensitive analog signals. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
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To ensure stability, make sure to follow the recommended component values and layout guidelines. Also, ensure that the input and output capacitors are of high quality and have low ESR. Additionally, adding a small resistor (e.g., 10 ohms) in series with the output capacitor can help dampen oscillations.
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The UC2871DW can deliver up to 1.5A of output current, but this is dependent on the input voltage, output voltage, and thermal conditions. It's essential to check the thermal derating curves in the datasheet to ensure the device can handle the required output current.
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Yes, the UC2871DW can be used in a synchronous rectification topology. However, it's essential to ensure that the device is properly configured and that the synchronous rectifier is properly sized and controlled to avoid shoot-through currents and other issues.
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To troubleshoot issues with the UC2871DW, start by checking the input and output voltages, as well as the current sense resistor voltage. Use an oscilloscope to check for oscillations or ringing on the output. Also, verify that the component values and layout meet the recommended guidelines. If issues persist, consult the TI application notes and technical support resources.