L4963WAlternatives & Equivalent Parts
About L4963W
L4963W 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 | L4963WSource | L4962/A | L4978 | L4940V5 | L4986ATR |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Dual-In-Line Packages | Dual-In-Line Packages | Dual-In-Line Packages | Transistor Outline, Vertical | Small Outline Packages |
| Pin Count | 18 | 16 | 8 | 3 | 10 |
| Temperature Range | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | — | -25.0°C ~ 125.0°C |
| Price | $2.2843 | $3.0200 | $1.8082 | $0.5720 | $1.5500 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||
| Date Of Intro | 1980-01-04 | — | — | — | — |
| YTEOL | 0 | 0 | 6 | 5.9 | 7 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR | — | POWER FACTOR CONTROLLER |
| Control Mode | VOLTAGE-MODE | VOLTAGE-MODE | VOLTAGE-MODE | — | CURRENT-MODE |
| Control Technique | PULSE FREQUENCY MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION |
| Input Voltage-Max | 46 V | 46 V | 55 V | 17 V | 24.5 V |
| Input Voltage-Min | 9 V | 9 V | 8 V | 6 V | 10 V |
| Input Voltage-Nom | 30 V | 35 V | 24 V | — | 15 V |
| JESD-30 Code | R-PDIP-T18 | R-PDIP-T16 | R-PDIP-T8 | R-PSFM-T3 | R-PDSO-G10 |
| JESD-609 Code | e3 | e3 | e3 | e3 | — |
| Number of Functions | 1 | 1 | 1 | 1 | 1 |
| Output Current-Max | 6.5 A | 3.3 A | 3.5 A | — | — |
| Output Voltage-Max | 36 V | 40 V | 50 V | — | — |
| Output Voltage-Min | 5.1 V | 5.1 V | 3.3 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | DIP18,.3 | DIP16,.3 | DIP8,.3 | SIP3,.1TB | SOP10,.25,40 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | IN-LINE | IN-LINE | IN-LINE | FLANGE MOUNT | SMALL OUTLINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — |
| Surface Mount | NO | NO | NO | NO | YES |
| Switcher Configuration | BUCK | BUCK | BUCK | — | BOOST |
| Switching Frequency-Max | 83 kHz | 150 kHz | 300 kHz | — | 71 kHz |
| Technology | BIPOLAR | BIPOLAR | BCDMOS | BIPOLAR | — |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — | — | — |
| Terminal Finish | MATTE TIN | MATTE TIN | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | — |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | GULL WING |
| Terminal Pitch | 2.54 mm | 2.54 mm | 2.54 mm | 2.54 mm | 1 mm |
| Terminal Position | DUAL | DUAL | DUAL | SINGLE | DUAL |
| Output Voltage-Nom | — | 5.1 V | 3.36 V | — | — |
| Supply Current-Max (Isup) | — | 40 mA | 6 mA | — | 4.7 mA |
| Factory Lead Time | — | — | 16 Weeks | 8 Weeks | 25 Weeks |
| Adjustability | — | — | — | FIXED | — |
| Dropout Voltage1-Max | — | — | — | 0.9 V | — |
| Dropout Voltage1-Nom | — | — | — | 0.5 V | — |
| Input Voltage Absolute-Max | — | — | — | 30 V | — |
| Line Regulation-Max | — | — | — | 0.01% | — |
| Load Regulation-Max | — | — | — | 0.025% | — |
| Number of Outputs | — | — | — | 1 | — |
| Operating Temperature TJ-Max | — | — | — | 150 °C | — |
| Operating Temperature TJ-Min | — | — | — | -40 °C | — |
| Output Current1-Max | — | — | — | 1.5 A | — |
| Output Voltage1-Max | — | — | — | 5.2 V | — |
| Output Voltage1-Min | — | — | — | 4.8 V | — |
| Output Voltage1-Nom | — | — | — | 5 V | — |
| Packing Method | — | — | — | TUBE | — |
| Peak Reflow Temperature (Cel) | — | — | — | NOT SPECIFIED | — |
| Regulator Type | — | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | NOT SPECIFIED | — |
| Voltage Tolerance-Max | — | — | — | 4% | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Quick Links
Why Look for Alternatives?
Finding alternatives for L4963W 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 L4963W 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 L4963W?
Known equivalents for L4963W include L4962/A, L4978, L4940V5. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L4963W?
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 L4963W 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.