UCC39421NAlternatives & Equivalent Parts
About UCC39421N
UCC39421N is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Dual-In-Line Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | UCC39421NSource | UCC29421NG4 | UCC39422NG4 |
|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages |
| Pin Count | 16 | 16 | 20 |
| Temperature Range | ~ 70.0°C | -40.0°C ~ 85.0°C | ~ 70.0°C |
| Price | $2.2200 | $3.0600 | — |
| Electrical Parameters | |||
| Pbfree Code | Yes | No | No |
| YTEOL | 0 | 0 | 0 |
| Additional Feature | CONFIGURABLE PEAK CURRENT MODE; PROGRAMMABLE PFM TECHNIQUE | CONFIGURABLE PEAK CURRENT MODE; PROGRAMMABLE PFM TECHNIQUE | CONFIGURABLE PEAK CURRENT MODE; PROGRAMMABLE PFM TECHNIQUE |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE | VOLTAGE-MODE | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 8 V | 8 V | 8 V |
| Input Voltage-Min | 1.8 V | 1.8 V | 1.8 V |
| Input Voltage-Nom | 3 V | 3 V | 3 V |
| JESD-30 Code | R-PDIP-T16 | R-PDIP-T16 | R-PDIP-T20 |
| JESD-609 Code | e4 | e4 | — |
| Number of Functions | 1 | 1 | 1 |
| Output Current-Max | 0.00065 A | 0.00065 A | 0.00065 A |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP16,.3 | DIP16,.3 | DIP20,.3 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified |
| Screening Level | TS 16949 | — | — |
| Supply Current-Max (Isup) | 0.06 mA | 0.06 mA | 0.06 mA |
| Surface Mount | NO | NO | NO |
| Switcher Configuration | BUCK-BOOST | SINGLE | SINGLE |
| Switching Frequency-Max | 2000 kHz | 2000 kHz | 2000 kHz |
| Technology | BICMOS | BICMOS | BICMOS |
| Temperature Grade | COMMERCIAL | INDUSTRIAL | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD | NICKEL PALLADIUM GOLD | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm |
| Terminal Position | DUAL | DUAL | DUAL |
| Peak Reflow Temperature (Cel) | — | — | NOT SPECIFIED |
| Time@Peak Reflow Temperature-Max (s) | — | — | NOT SPECIFIED |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Switching Controller, Voltage-mode, 0.00065A, 2000kHz Switching Freq-Max, BICMOS, PDIP16
Switching Controller, Voltage-mode, 0.00065A, 2000kHz Switching Freq-Max, BICMOS, PDIP20
Why Look for Alternatives?
Finding alternatives for UCC39421N 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 UCC39421N 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.
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Request Alternatives for UCC39421NFAQ
What is equivalent to UCC39421N?
Known equivalents for UCC39421N include UCC29421NG4, UCC39422NG4. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of UCC39421N?
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 UCC39421N 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.