L5959Alternatives & Equivalent Parts
About L5959
L5959 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 | L5959Source | L5957 | L5980 | L5983 | L5962 |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | Transistor Outline, Vertical | Other | Small Outline No-lead | Small Outline No-lead | Small Outline Packages |
| Pin Count | 15 | 15 | 8 | 8 | 36 |
| Temperature Range | — | — | -40.0°C ~ 150.0°C | — | -40.0°C ~ 85.0°C |
| Price | $2.5625 | $3.1800 | — | — | $5.7700 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | NOT RECOMMENDED | OBSOLETE | OBSOLETE | NOT RECOMMENDED |
| Electrical Parameters | |||||
| YTEOL | 0 | 3 | 0 | 0 | 3 |
| Dropout Voltage1-Max | 0.9 V | 0.6 V | — | — | — |
| Dropout Voltage1-Nom | 0.45 V | — | — | — | — |
| Dropout Voltage2-Max | 0.9 V | 1.5 V | — | — | — |
| Input Voltage-Max | 18 V | 18 V | 18 V | 18 V | — |
| Input Voltage-Min | 9.5 V | 9 V | 2.9 V | 2.9 V | — |
| JESD-30 Code | R-PZFM-T15 | R-XZFM-T15 | S-PDSO-N8 | S-PDSO-N8 | R-PDSO-G36 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 |
| Load Regulation-Max | 0.02% | 0.1% | — | — | — |
| Number of Functions | 1 | 1 | 1 | 1 | 1 |
| Number of Outputs | 4 | 4 | — | — | — |
| Operating Temperature TJ-Max | 150 °C | 150 °C | — | — | — |
| Operating Temperature TJ-Min | -55 °C | -55 °C | — | — | — |
| Output Current1-Max | 0.1 A | 0.5 A | — | — | — |
| Output Current2-Max | 0.2 A | 0.8 A | — | — | — |
| Output Voltage1-Max | 10.5 V | 9 V | — | — | — |
| Output Voltage1-Min | 9.5 V | 8 V | — | — | — |
| Output Voltage1-Nom | 10 V | 8.5 V | — | — | — |
| Output Voltage2-Max | 8.7 V | 5.3 V | — | — | — |
| Output Voltage2-Min | 8.3 V | 4.75 V | — | — | — |
| Output Voltage2-Nom | 8.5 V | 5 V | — | — | — |
| Package Body Material | PLASTIC/EPOXY | UNSPECIFIED | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | SQUARE | RECTANGULAR |
| Package Style | FLANGE MOUNT | FLANGE MOUNT | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE |
| Packing Method | TUBE | TRAY | — | — | — |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR | FIXED POSITIVE MULTIPLE OUTPUT LDO REGULATOR | — | — | — |
| Surface Mount | NO | NO | YES | YES | YES |
| Terminal Finish | Matte Tin (Sn) - annealed | Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | THROUGH-HOLE | THROUGH-HOLE | NO LEAD | NO LEAD | GULL WING |
| Terminal Pitch | 1.27 mm | 1.27 mm | 0.5 mm | 0.5 mm | 0.635 mm |
| Terminal Position | ZIG-ZAG | ZIG-ZAG | DUAL | DUAL | DUAL |
| Voltage Tolerance-Max | 5% | 6% | — | — | — |
| Adjustability | — | FIXED | — | — | — |
| Input Voltage Absolute-Max | — | 18 V | — | — | — |
| Line Regulation-Max | — | 0.05% | — | — | — |
| Package Equivalence Code | — | ZIP15,.2,.17TB | SOLCC8,.11,20 | SOLCC8,.11,20 | SSOP36,.56 |
| Technology | — | BIPOLAR | — | — | BCDMOS |
| Analog IC - Other Type | — | — | SWITCHING REGULATOR | SWITCHING REGULATOR | SWITCHING REGULATOR |
| Control Mode | — | — | VOLTAGE-MODE | VOLTAGE-MODE | VOLTAGE-MODE |
| Control Technique | — | — | PULSE WIDTH MODULATION | — | — |
| Input Voltage-Nom | — | — | 12 V | 12 V | — |
| Output Current-Max | — | — | 1.6 A | 1.5 A | — |
| Peak Reflow Temperature (Cel) | — | — | 260 | 260 | 245 |
| Switcher Configuration | — | — | BUCK-BOOST | BUCK | SINGLE |
| Switching Frequency-Max | — | — | 1000 kHz | 1000 kHz | 400 kHz |
| Time@Peak Reflow Temperature-Max (s) | — | — | 30 | 30 | 30 |
| Supply Current-Max (Isup) | — | — | — | — | 0.09 mA |
| Supply Voltage-Nom (Vsup) | — | — | — | — | 14.4 V |
| Temperature Grade | — | — | — | — | INDUSTRIAL |
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 4 alternatives for L5959 — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for L5959 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 L5959 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 L5959?
Known equivalents for L5959 include L5957, L5980, L5983. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of L5959?
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 L5959 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.