LD1117S12TRAlternatives & Equivalent Parts
About LD1117S12TR
LD1117S12TR 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.
Specification Comparison
| Parameter | LD1117S12TRSource | LD1117ADT33TR | OPA1611AID | LM391N-100 |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments |
| Package Type | SOT223 (3-Pin) | Other | Small Outline Packages | Dual-In-Line Packages |
| Pin Count | 4 | 3 | 8 | 16 |
| Temperature Range | — | — | -40.0°C ~ 85.0°C | — |
| Price | $0.1910 | $0.2070 | $1.1001 | — |
| Electrical Parameters | ||||
| Factory Lead Time | 12 Weeks | 12 Weeks | — | — |
| YTEOL | 6.2 | 6.2 | 15 | 0 |
| Adjustability | FIXED | FIXED | — | — |
| Dropout Voltage1-Max | 1.2 V | 1.3 V | — | — |
| Dropout Voltage1-Nom | 1.1 V | 1.15 V | — | — |
| Input Voltage Absolute-Max | 15 V | 10 V | — | — |
| Input Voltage-Max | 15 V | 10 V | — | — |
| Input Voltage-Min | 1.5 V | 4.75 V | — | — |
| JESD-30 Code | R-PDSO-G4 | R-PSSO-G2 | R-PDSO-G8 | — |
| JESD-609 Code | e3 | e3 | e4 | — |
| Line Regulation-Max | 0.016% | 0.006% | — | — |
| Load Regulation-Max | 0.0048% | 0.01% | — | — |
| Number of Functions | 1 | 1 | 1 | — |
| Number of Outputs | 1 | 1 | — | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | — |
| Output Current1-Max | 1.3 A | 1 A | — | — |
| Output Voltage1-Max | 1.26 V | 3.432 V | — | — |
| Output Voltage1-Min | 1.14 V | 3.168 V | — | — |
| Output Voltage1-Nom | 1.2 V | 3.3 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | SOT-223 | SMSIP3H,.38,90TB | — | — |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | — |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE, HEAT SINK/SLUG | — |
| Packing Method | TR, 7 INCH | TR | TUBE | — |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | — |
| Qualification Status | 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 | — |
| Technology | BIPOLAR | BIPOLAR | BICMOS | — |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | 2.3 mm | 2.28 mm | 1.27 mm | — |
| Terminal Position | DUAL | SINGLE | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — |
| Voltage Tolerance-Max | 2% | 2% | — | — |
| ## LD1117S12TR Alternates Showing results | Image | — | — | — |
| Pbfree Code | — | — | Yes | — |
| Amplifier Type | — | — | OPERATIONAL AMPLIFIER | — |
| Architecture | — | — | VOLTAGE-FEEDBACK | — |
| Average Bias Current-Max (IIB) | — | — | 0.25 µA | — |
| Bias Current-Max (IIB) @25C | — | — | 0.25 µA | — |
| Common-mode Reject Ratio-Min | — | — | 110 dB | — |
| Common-mode Reject Ratio-Nom | — | — | 120 dB | — |
| Frequency Compensation | — | — | YES | — |
| Input Offset Current-Max (IIO) | — | — | 0.175 µA | — |
| Input Offset Voltage-Max | — | — | 500 µV | — |
| Low-Bias | — | — | NO | — |
| Low-Offset | — | — | YES | — |
| Micropower | — | — | NO | — |
| Neg Supply Voltage Limit-Max | — | — | -20 V | — |
| Neg Supply Voltage-Nom (Vsup) | — | — | -15 V | — |
| Power | — | — | NO | — |
| Programmable Power | — | — | NO | — |
| Slew Rate-Nom | — | — | 27 V/us | — |
| Supply Current-Max | — | — | 4.5 mA | — |
| Supply Voltage Limit-Max | — | — | 20 V | — |
| Supply Voltage-Nom (Vsup) | — | — | 15 V | — |
| Temperature Grade | — | — | INDUSTRIAL | — |
| Unity Gain BW-Nom | — | — | 40000 | — |
| Voltage Gain-Min | — | — | 316227.766 | — |
| Wideband | — | — | YES | — |
| Consumer IC Type | — | — | — | AUDIO AMPLIFIER |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
Why Look for Alternatives?
Finding alternatives for LD1117S12TR 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 LD1117S12TR 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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Request Alternatives for LD1117S12TRFAQ
What is equivalent to LD1117S12TR?
Known equivalents for LD1117S12TR include LD1117ADT33TR, OPA1611AID, LM391N-100. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD1117S12TR?
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 LD1117S12TR 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.