L4972AAlternatives & Equivalent Parts
About L4972A
L4972A 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.
Specification Comparison
| Parameter | L4972ASource | L4972AD |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Package Type | Dual-In-Line Packages | Small Outline Packages |
| Pin Count | 20 | 20 |
| Temperature Range | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C |
| Price | $1.6940 | $3.1621 |
| Electrical Parameters | ||
| YTEOL | 0 | 0 |
| 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 | 50 V | 50 V |
| Input Voltage-Min | 15 V | 15 V |
| Input Voltage-Nom | 35 V | 35 V |
| JESD-30 Code | R-PDIP-T20 | R-PDSO-G20 |
| JESD-609 Code | e3 | e4 |
| Number of Functions | 1 | 1 |
| Output Current-Max | 3.5 A | 3.5 A |
| Output Voltage-Max | 40 V | 40 V |
| Output Voltage-Min | 5.1 V | 5.1 V |
| Output Voltage-Nom | 5 V | 5 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP20,.3 | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | SMALL OUTLINE |
| Qualification Status | Not Qualified | Not Qualified |
| Surface Mount | NO | YES |
| Switcher Configuration | BUCK | BUCK |
| Switching Frequency-Max | 200 kHz | 200 kHz |
| Technology | BCDMOS | BCDMOS |
| Terminal Finish | TIN | 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) | — | 260 |
| Time@Peak Reflow Temperature-Max (s) | — | 30 |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for L4972A 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 L4972A 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 L4972AFAQ
What is equivalent to L4972A?
Known equivalents for L4972A include L4972AD. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L4972A?
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 L4972A 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.