LD1117S50TRAlternatives & Equivalent Parts
About LD1117S50TR
LD1117S50TR is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a SOT223 (3-Pin) 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 | LD1117S50TRSource | L7986TR | SN65HVD05D | XTR105U | LD39050PU33R |
|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments | STMicroelectronics |
| Package Type | SOT223 (3-Pin) | Small Outline No-lead | Small Outline Packages | Small Outline Packages | Small Outline No-lead |
| Pin Count | 4 | 11 | 8 | 14 | 6 |
| Temperature Range | — | -40.0°C ~ 125.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — |
| Price | $0.1013 | $0.9950 | $1.4141 | $2.9123 | $0.3802 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | OBSOLETE | OBSOLETE | ACTIVE |
| Electrical Parameters | |||||
| Factory Lead Time | 12 Weeks | 16 Weeks | — | — | 16 Weeks |
| YTEOL | 6.2 | 7.7 | 0 | 0 | 8 |
| Adjustability | FIXED | — | — | — | FIXED |
| Dropout Voltage1-Max | 1.2 V | — | — | — | 0.4 V |
| Dropout Voltage1-Nom | 1.1 V | — | — | — | 0.2 V |
| Input Voltage Absolute-Max | 15 V | — | — | — | 7 V |
| Input Voltage-Max | 15 V | 38 V | — | — | 5.5 V |
| Input Voltage-Min | 6.5 V | 4.5 V | — | — | 1.5 V |
| JESD-30 Code | R-PDSO-G4 | S-PDSO-N10 | R-PDSO-G8 | R-PDSO-G14 | S-PDSO-N6 |
| Line Regulation-Max | 0.01% | — | — | — | 0.00132% |
| Load Regulation-Max | 0.015% | — | — | — | 0.03234% |
| Number of Functions | 1 | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | — | — | — | 1 |
| Operating Temperature TJ-Max | 125 °C | — | — | — | 125 °C |
| Output Current1-Max | 1.3 A | — | — | — | 0.5 A |
| Output Voltage1-Max | 5.1 V | — | — | — | 3.399 V |
| Output Voltage1-Min | 4.9 V | — | — | — | 3.201 V |
| Output Voltage1-Nom | 5 V | — | — | — | 3.3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 | SOLCC10,.11,20 | SOP8,.25 | — | SOLCC6,.11,37 |
| Package Shape | RECTANGULAR | SQUARE | RECTANGULAR | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR, 7 INCH | — | — | TUBE | TR |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | — | BICMOS | — | CMOS |
| Terminal Form | GULL WING | NO LEAD | GULL WING | GULL WING | NO LEAD |
| Terminal Pitch | 2.3 mm | 0.5 mm | 1.27 mm | 1.27 mm | 0.95 mm |
| Terminal Position | DUAL | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | — | NOT SPECIFIED | 30 | 30 |
| Voltage Tolerance-Max | 2% | — | — | — | 3% |
| ## LD1117S50TR Alternates Showing results | Image | — | — | — | — |
| Additional Feature | — | OPERATES IN ADJUSTABLE MODE FROM 0.6V TO 38V | SIGNALING RATE UPTO 40 MBPS | — | — |
| Analog IC - Other Type | — | SWITCHING REGULATOR | — | — | — |
| Control Mode | — | VOLTAGE-MODE | — | — | — |
| Control Technique | — | PULSE WIDTH MODULATION | — | — | — |
| Input Voltage-Nom | — | 12 V | — | — | — |
| JESD-609 Code | — | e4 | e4 | e4 | e3 |
| Output Current-Max | — | 4.7 A | — | — | — |
| Switcher Configuration | — | BUCK | — | — | — |
| Switching Frequency-Max | — | 1000 kHz | — | — | — |
| Temperature Grade | — | AUTOMOTIVE | INDUSTRIAL | INDUSTRIAL | — |
| Terminal Finish | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) |
| Differential Output | — | — | YES | — | — |
| Driver Number of Bits | — | — | 1 | — | — |
| High Level Input Current-Max | — | — | 0.0001 A | — | — |
| Input Characteristics | — | — | DIFFERENTIAL SCHMITT TRIGGER | — | — |
| Interface IC Type | — | — | LINE TRANSCEIVER | — | — |
| Interface Standard | — | — | EIA-485-A; TIA-485-A; ISO 8482E | — | — |
| Out Swing-Min | — | — | 2.5 V | — | — |
| Output Characteristics | — | — | 3-STATE | — | — |
| Output Low Current-Max | — | — | 0.0001 A | — | — |
| Output Polarity | — | — | COMPLEMENTARY | — | — |
| Receive Delay-Max | — | — | 25 ns | — | — |
| Receiver Number of Bits | — | — | 1 | — | — |
| Supply Current-Max | — | — | 15 mA | — | — |
| Supply Voltage-Max | — | — | 5.5 V | — | — |
| Supply Voltage-Min | — | — | 4.5 V | — | — |
| Supply Voltage-Nom | — | — | 5 V | — | — |
| Supply Voltage1-Max | — | — | 5.5 V | — | — |
| Supply Voltage1-Min | — | — | 4.5 V | — | — |
| Supply Voltage1-Nom | — | — | 5 V | — | — |
| Transmit Delay-Max | — | — | 11 ns | — | — |
| ## SN65HVD05D Alternates Showing results | — | — | Image | — | — |
| Amplifier Type | — | — | — | INSTRUMENTATION AMPLIFIER | — |
| Average Bias Current-Max (IIB) | — | — | — | 0.025 µA | — |
| Common-mode Reject Ratio-Min | — | — | — | 86 dB | — |
| Input Offset Current-Max (IIO) | — | — | — | 0.003 µA | — |
| Input Offset Voltage-Max | — | — | — | 25 µV | — |
| Non-linearity-Max | — | — | — | 0.01% | — |
| Supply Voltage Limit-Max | — | — | — | 40 V | — |
| Supply Voltage-Nom (Vsup) | — | — | — | 24 V | — |
| ## XTR105U Alternates Showing results | — | — | — | Image | — |
| Operating Temperature TJ-Min | — | — | — | — | -40 °C |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 4 alternatives for LD1117S50TR — response within 24 hours.
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Why Look for Alternatives?
Finding alternatives for LD1117S50TR 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 LD1117S50TR 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 LD1117S50TR?
Known equivalents for LD1117S50TR include L7986TR, SN65HVD05D, XTR105U. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD1117S50TR?
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 LD1117S50TR 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.