L4975AAlternatives & Equivalent Parts
About L4975A
L4975A is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a Transistor Outline, Vertical 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 | L4975ASource | L4978 | L4962/A | L4995JTR | L4940V5 | L4995AJTR | L4986ATR | L4973D5.1 |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Transistor Outline, Vertical | Dual-In-Line Packages | Dual-In-Line Packages | Small Outline Packages | Transistor Outline, Vertical | Small Outline Packages | Small Outline Packages | Small Outline Packages |
| Pin Count | 15 | 8 | 16 | 12 | 3 | 12 | 10 | 20 |
| Temperature Range | — | -40.0°C ~ 150.0°C | -40.0°C ~ 150.0°C | — | — | — | -25.0°C ~ 125.0°C | -40.0°C ~ 150.0°C |
| Price | $11.4400 | $1.8082 | $3.0200 | $0.6793 | $0.5720 | $0.7910 | $1.5500 | $3.7900 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||||||
| YTEOL | 0 | 6 | 0 | 6.8 | 5.9 | 6.8 | 7 | 0 |
| Analog IC - Other Type | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR | — | — | — | POWER FACTOR CONTROLLER | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE | VOLTAGE-MODE | VOLTAGE-MODE | — | — | — | CURRENT-MODE | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | — | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 50 V | 55 V | 46 V | 31 V | 17 V | 31 V | 24.5 V | 55 V |
| Input Voltage-Min | 15 V | 8 V | 9 V | 5.6 V | 6 V | 5.6 V | 10 V | 8 V |
| Input Voltage-Nom | 35 V | 24 V | 35 V | — | — | — | 15 V | 24 V |
| JESD-30 Code | R-PZFM-T15 | R-PDIP-T8 | R-PDIP-T16 | R-PDSO-G12 | R-PSFM-T3 | R-PDSO-G12 | R-PDSO-G10 | R-PDSO-G20 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | — | e3 |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Output Current-Max | 7.5 A | 3.5 A | 3.3 A | — | — | — | — | 5.5 A |
| Output Voltage-Nom | 5.1 V | 3.36 V | 5.1 V | — | — | — | — | 5.1 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | ZIP15,.2,.17TB | DIP8,.3 | DIP16,.3 | SOP24,.4,32 | SIP3,.1TB | SOP24,.4,32 | SOP10,.25,40 | SOP20,.4 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | FLANGE MOUNT | IN-LINE | IN-LINE | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE, SHRINK PITCH | FLANGE MOUNT | SMALL OUTLINE, HEAT SINK/SLUG, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE | SMALL OUTLINE |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified |
| Surface Mount | NO | NO | NO | YES | NO | YES | YES | YES |
| Switcher Configuration | BUCK | BUCK | BUCK | — | — | — | BOOST | BUCK |
| Switching Frequency-Max | 500 kHz | 300 kHz | 150 kHz | — | — | — | 71 kHz | 300 kHz |
| Technology | BCDMOS | BCDMOS | BIPOLAR | BICMOS | BIPOLAR | BICMOS | — | BCDMOS |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | MATTE TIN | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) | — | Matte Tin (Sn) - annealed |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | GULL WING | THROUGH-HOLE | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 1.27 mm | 2.54 mm | 2.54 mm | 0.8 mm | 2.54 mm | 0.8 mm | 1 mm | 1.27 mm |
| Terminal Position | ZIG-ZAG | DUAL | DUAL | DUAL | SINGLE | DUAL | DUAL | DUAL |
| Factory Lead Time | — | 16 Weeks | — | 23 Weeks | 8 Weeks | 23 Weeks | 25 Weeks | — |
| Output Voltage-Max | — | 50 V | 40 V | — | — | — | — | 5.11 V |
| Output Voltage-Min | — | 3.3 V | 5.1 V | — | — | — | — | 5.09 V |
| Supply Current-Max (Isup) | — | 6 mA | 40 mA | — | — | — | 4.7 mA | — |
| Temperature Grade | — | — | AUTOMOTIVE | — | — | — | — | — |
| Adjustability | — | — | — | FIXED | FIXED | FIXED | — | — |
| Dropout Voltage1-Max | — | — | — | 0.5 V | 0.9 V | 0.5 V | — | — |
| Dropout Voltage1-Nom | — | — | — | 0.5 V | 0.5 V | 0.5 V | — | — |
| Input Voltage Absolute-Max | — | — | — | 40 V | 30 V | 40 V | — | — |
| Line Regulation-Max | — | — | — | 0.025% | 0.01% | 0.025% | — | — |
| Load Regulation-Max | — | — | — | 0.025% | 0.025% | 0.025% | — | — |
| Number of Outputs | — | — | — | 1 | 1 | 1 | — | — |
| Operating Temperature TJ-Max | — | — | — | 150 °C | 150 °C | 150 °C | — | — |
| Operating Temperature TJ-Min | — | — | — | -40 °C | -40 °C | -40 °C | — | — |
| Output Current1-Max | — | — | — | 0.5 A | 1.5 A | 0.5 A | — | — |
| Output Voltage1-Max | — | — | — | 5.1 V | 5.2 V | 5.1 V | — | — |
| Output Voltage1-Min | — | — | — | 4.9 V | 4.8 V | 4.9 V | — | — |
| Output Voltage1-Nom | — | — | — | 5 V | 5 V | 5 V | — | — |
| Packing Method | — | — | — | TR | TUBE | TR | — | — |
| Peak Reflow Temperature (Cel) | — | — | — | 260 | NOT SPECIFIED | 260 | — | 250 |
| Regulator Type | — | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Screening Level | — | — | — | AEC-Q100 | — | AEC-Q100 | — | — |
| Voltage Tolerance-Max | — | — | — | 2% | 4% | 2% | — | — |
| ## L4995JTR Alternates Showing results | — | — | — | Image | — | — | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | — | — | — | NOT SPECIFIED | 30 | — | 30 |
| Reach Compliance Code | — | — | — | — | — | — | — | Compliant |
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 7 alternatives for L4975A — response within 24 hours.
Quick Links
Switching Regulator, Voltage-mode, 3.5A, 300kHz Switching Freq-Max, BCDMOS, PDIP8
Switching Regulator, Voltage-mode, 3.3A, 150kHz Switching Freq-Max, BIPolar, PDIP16
Power Factor Controller, Current-mode, 71kHz Switching Freq-Max, PDSO10
Why Look for Alternatives?
Finding alternatives for L4975A 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 L4975A 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 L4975A?
Known equivalents for L4975A include L4978, L4962/A, L4995JTR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L4975A?
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 L4975A 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.