LM3478MM/NOPBAlternatives & Equivalent Parts
About LM3478MM/NOPB
LM3478MM/NOPB is a Integrated Circuit component manufactured by Texas Instruments. It comes in a Small Outline Packages package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Need pricing on these alternatives?
Get one quote covering all 5 alternatives for LM3478MM/NOPB — response within 24 hours.
Specification Comparison
| Parameter | LM3478MM/NOPBSource | LM3478MMX/NOPB | SA20A | LM3478MA/NOPB | TPS56339DDCR | LM3478MM |
|---|---|---|---|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments | LITTELFUSE | Texas Instruments | Texas Instruments | Texas Instruments |
| Package Type | Small Outline Packages | Small Outline Packages | Diodes, Axial Diameter Horizontal Mounting | Small Outline Packages | SOT23 (6-Pin) | Small Outline Packages |
| Pin Count | 8 | 8 | 2 | 8 | 6 | 8 |
| Temperature Range | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -55.0°C ~ 175.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C |
| Price | $1.0125 | $0.5141 | $0.1024 | $0.4994 | $0.1906 | $0.5350 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE | ACTIVE | OBSOLETE |
| Electrical Parameters | ||||||
| Pbfree Code | Yes | Yes | No | Yes | Yes | Yes |
| YTEOL | 15 | 15 | 6.06 | 15 | 15 | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER | SWITCHING CONTROLLER | — | SWITCHING CONTROLLER | SWITCHING REGULATOR | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE | CURRENT-MODE | — | CURRENT-MODE | CURRENT-MODE | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | — | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40 V | 40 V | — | 40 V | 24 V | 40 V |
| Input Voltage-Min | 2.97 V | 2.97 V | — | 2.97 V | 4.5 V | 2.97 V |
| Input Voltage-Nom | 12 V | 12 V | — | 12 V | 12 V | 12 V |
| JESD-30 Code | S-PDSO-G8 | S-PDSO-G8 | O-PALF-W2 | R-PDSO-G8 | R-PDSO-G6 | S-PDSO-G8 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e0 |
| Number of Functions | 1 | 1 | — | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | — | 1 | 1 | 1 |
| Output Current-Max | 10 A | 10 A | — | 10 A | 3 A | 10 A |
| Output Voltage-Max | 500 V | 500 V | — | 500 V | 16 V | 500 V |
| Output Voltage-Min | 1.26 V | 1.26 V | — | 1.26 V | 0.8 V | 1.26 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.19 | TSSOP8,.19 | — | SOP8,.25 | — | TSSOP8,.19 |
| Package Shape | SQUARE | SQUARE | ROUND | RECTANGULAR | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | LONG FORM | SMALL OUTLINE | SMALL OUTLINE, THIN PROFILE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 265 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | — | Not Qualified |
| Supply Current-Max (Isup) | 3.3 mA | 3.3 mA | — | 3.3 mA | 0.12 mA | 3.3 mA |
| Surface Mount | YES | YES | NO | YES | YES | YES |
| Switcher Configuration | BUCK-BOOST | BUCK-BOOST | — | BUCK-BOOST | BUCK | BUCK-BOOST |
| Switching Frequency-Max | 1000 kHz | 1000 kHz | — | 1000 kHz | 500 kHz | 1000 kHz |
| Technology | BICMOS | BICMOS | AVALANCHE | BICMOS | BICMOS | BICMOS |
| Temperature Grade | AUTOMOTIVE | AUTOMOTIVE | — | AUTOMOTIVE | AUTOMOTIVE | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) | Matte Tin (Sn) | MATTE TIN | Matte Tin (Sn) | Matte Tin (Sn) | TIN LEAD |
| Terminal Form | GULL WING | GULL WING | WIRE | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.65 mm | 0.65 mm | — | 1.27 mm | 0.95 mm | 0.65 mm |
| Terminal Position | DUAL | DUAL | AXIAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 10 | 30 | 30 | — |
| ## LM3478MM/NOPB Alternates Showing results | Image | — | — | — | — | — |
| Breakdown Voltage-Max | — | — | 24.5 V | — | — | — |
| Breakdown Voltage-Min | — | — | 22.2 V | — | — | — |
| Case Connection | — | — | ISOLATED | — | — | — |
| Clamping Voltage-Max | — | — | 32.4 V | — | — | — |
| Configuration | — | — | SINGLE | — | — | — |
| Diode Element Material | — | — | SILICON | — | — | — |
| Diode Type | — | — | TRANS VOLTAGE SUPPRESSOR DIODE | — | — | — |
| JEDEC-95 Code | — | — | DO-15 | — | — | — |
| Non-rep Peak Rev Power Dis-Max | — | — | 500 W | — | — | — |
| Number of Elements | — | — | 1 | — | — | — |
| Polarity | — | — | UNIDIRECTIONAL | — | — | — |
| Power Dissipation-Max | — | — | 3 W | — | — | — |
| Reference Standard | — | — | UL RECOGNIZED | — | — | — |
| Rep Pk Reverse Voltage-Max | — | — | 20 V | — | — | — |
| ## LM3478MA/NOPB Alternates Showing results | — | — | — | Image | — | — |
| Date Of Intro | — | — | — | — | 2019-05-25 | — |
| ## TPS56339DDCR Alternates Showing results | — | — | — | — | Image | — |
| ## LM3478MM Alternates Showing results | — | — | — | — | — | Image |
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 5 alternatives for LM3478MM/NOPB — response within 24 hours.
Quick Links
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, PDSO8
suggested
suggested
Why Look for Alternatives?
Finding alternatives for LM3478MM/NOPB 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 LM3478MM/NOPB 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.
Can't Find What You Need?
Our sourcing team can help find compatible alternatives for LM3478MM/NOPB. Get expert recommendations within 24 hours.
FAQ
What is equivalent to LM3478MM/NOPB?
Known equivalents for LM3478MM/NOPB include LM3478MMX/NOPB, SA20A, LM3478MA/NOPB. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LM3478MM/NOPB?
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 LM3478MM/NOPB 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.