L4978Alternatives & Equivalent Parts
About L4978
L4978 is a Integrated Circuit component manufactured by STMicroelectronics. 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.
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Specification Comparison
| Parameter | L4978Source | XR2206CP-F | L4978D |
|---|---|---|---|
| Manufacturer | STMicroelectronics | EXAR | STMicroelectronics |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages |
| Pin Count | 8 | 16 | 16 |
| Temperature Range | -40.0°C ~ 150.0°C | — | -40.0°C ~ 150.0°C |
| Price | $1.8082 | — | $1.7100 |
| Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||
| Factory Lead Time | 16 Weeks | — | 10 Weeks |
| YTEOL | 6 | — | 7.1 |
| Analog IC - Other Type | SWITCHING REGULATOR | — | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE | — | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | 55 V | — | 55 V |
| Input Voltage-Min | 8 V | — | 8 V |
| Input Voltage-Nom | 24 V | — | 24 V |
| JESD-30 Code | R-PDIP-T8 | — | R-PDSO-G16 |
| JESD-609 Code | e3 | — | e4 |
| Number of Functions | 1 | — | 1 |
| Output Current-Max | 3.5 A | — | 3.5 A |
| Output Voltage-Max | 50 V | — | 50 V |
| Output Voltage-Min | 3.3 V | — | 3.3 V |
| Output Voltage-Nom | 3.36 V | — | 3.36 V |
| Package Body Material | PLASTIC/EPOXY | — | PLASTIC/EPOXY |
| Package Equivalence Code | DIP8,.3 | — | SOP16,.4 |
| Package Shape | RECTANGULAR | — | RECTANGULAR |
| Package Style | IN-LINE | — | SMALL OUTLINE |
| Qualification Status | Not Qualified | — | Not Qualified |
| Supply Current-Max (Isup) | 6 mA | — | 6 mA |
| Surface Mount | NO | — | YES |
| Switcher Configuration | BUCK | — | BUCK |
| Switching Frequency-Max | 300 kHz | — | 300 kHz |
| Technology | BCDMOS | — | BCDMOS |
| Terminal Finish | Matte Tin (Sn) - annealed | — | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | THROUGH-HOLE | — | GULL WING |
| Terminal Pitch | 2.54 mm | — | 1.27 mm |
| Terminal Position | DUAL | — | DUAL |
| Peak Reflow Temperature (Cel) | — | — | 250 |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 2 alternatives for L4978 — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for L4978 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 L4978 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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FAQ
What is equivalent to L4978?
Known equivalents for L4978 include XR2206CP-F, L4978D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L4978?
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 L4978 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.