UC3879DWG4Alternatives & Equivalent Parts
About UC3879DWG4
UC3879DWG4 is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for UC3879DWG4 — response within 24 hours.
Specification Comparison
| Parameter | UC3879DWG4Source | UC2879DWTR | UC3879DW | UC3879DWTR |
|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | — | Small Outline Packages |
| Pin Count | 20 | 20 | — | 20 |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 85.0°C | — | ~ 70.0°C |
| Price | $6.6900 | $10.7708 | $5.0000 | $8.8100 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | — | ACTIVE |
| Electrical Parameters | ||||
| Pbfree Code | Yes | Yes | — | Yes |
| YTEOL | 0 | 15 | — | 15 |
| Additional Feature | ALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANT | ALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANT | — | ALSO HAS CONTROL MODE OF IPK, ALSO HAS CONTROL TECHNIQUE OF RESONANT |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER | — | SWITCHING CONTROLLER |
| Control Mode | CURRENT/VOLTAGE-MODE | CURRENT/VOLTAGE-MODE | — | CURRENT/VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | 20 V | 20 V | — | 20 V |
| Input Voltage-Min | 11 V | 11 V | — | 11 V |
| Input Voltage-Nom | 12 V | 12 V | — | 12 V |
| JESD-30 Code | R-PDSO-G20 | R-PDSO-G20 | — | R-PDSO-G20 |
| JESD-609 Code | e4 | e4 | — | e4 |
| Number of Functions | 1 | 1 | — | 1 |
| Output Current-Max | 0.1 A | 0.1 A | — | 0.1 A |
| Output Voltage-Max | 5.08 V | — | — | 5.08 V |
| Output Voltage-Min | 4.92 V | — | — | 4.92 V |
| Output Voltage-Nom | 5 V | — | — | 5 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | SOP20,.4 | SOP20,.4 | — | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | — | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | — | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 | 260 | — | 260 |
| Qualification Status | Not Qualified | Not Qualified | — | Not Qualified |
| Supply Current-Max (Isup) | 35 mA | 35 mA | — | 35 mA |
| Surface Mount | YES | YES | — | YES |
| Switcher Configuration | BUCK-BOOST | PUSH-PULL | — | BUCK-BOOST |
| Switching Frequency-Max | 300 kHz | 300 kHz | — | 300 kHz |
| Technology | BIPOLAR | BIPOLAR | — | BIPOLAR |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | — | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING | GULL WING | — | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | — | 1.27 mm |
| Terminal Position | DUAL | DUAL | — | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | — | 30 |
| Supply Voltage-Max (Vsup) | — | 29 V | — | — |
| Supply Voltage-Min (Vsup) | — | 10.75 V | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Need pricing on these alternatives?
Get one quote covering all 3 alternatives for UC3879DWG4 — response within 24 hours.
Quick Links
Switching Controller, Current/voltage-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20
Switching Controller, Current-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20
Switching Controller, Current-mode, 0.1A, 300kHz Switching Freq-Max, BIPolar, PDSO20
Why Look for Alternatives?
Finding alternatives for UC3879DWG4 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.
When evaluating UC3879DWG4 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for UC3879DWG4. Get expert recommendations within 24 hours.
FAQ
What is equivalent to UC3879DWG4?
Known equivalents for UC3879DWG4 include UC2879DWTR, UC3879DW, UC3879DWTR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UC3879DWG4?
In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.
How do I verify UC3879DWG4 alternatives?
Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.