LD1117S18CTRAlternatives & Equivalent Parts
About LD1117S18CTR
LD1117S18CTR 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 | LD1117S18CTRSource | MCP1804T-A002I/MB | LD1117AS18TR | LD1117ADT33TR | LD1117S12TR | LD1117S25CTR | LD1117STR | LD1117SC-R |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Microchip | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics | STMicroelectronics |
| Package Type | SOT223 (3-Pin) | Other | SOT223 (3-Pin) | Other | SOT223 (3-Pin) | SOT223 (3-Pin) | SOT223 (3-Pin) | SOT223 (3-Pin) |
| Pin Count | 4 | 3 | 4 | 3 | 4 | 4 | 3 | 3 |
| Temperature Range | — | -40.0°C ~ 85.0°C | — | — | — | — | — | — |
| Price | $0.1622 | — | $0.1682 | $0.2070 | $0.1910 | $0.1285 | $0.1226 | $0.0760 |
| Electrical Parameters | ||||||||
| Factory Lead Time | 12 Weeks | 16 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks | 12 Weeks |
| YTEOL | 6.2 | 9 | 6.2 | 6.2 | 6.2 | 6.2 | 6 | 6 |
| Adjustability | FIXED | FIXED | FIXED | FIXED | FIXED | FIXED | ADJUSTABLE | ADJUSTABLE |
| Dropout Voltage1-Max | 1.2 V | 0.95 V | 1.3 V | 1.3 V | 1.2 V | 1.2 V | 1.2 V | 1.2 V |
| Dropout Voltage1-Nom | 1.1 V | 0.7 V | 1.15 V | 1.15 V | 1.1 V | 1.1 V | 1.1 V | 1.1 V |
| Input Voltage Absolute-Max | 15 V | 30 V | 10 V | 10 V | 15 V | 15 V | — | — |
| Input Voltage-Max | 15 V | 28 V | 8 V | 10 V | 15 V | 15 V | — | — |
| Input Voltage-Min | 3.9 V | 12 V | 3.3 V | 4.75 V | 1.5 V | 3.9 V | — | — |
| JESD-30 Code | R-PDSO-G4 | R-PSSO-F3 | R-PDSO-G4 | R-PSSO-G2 | R-PDSO-G4 | R-PDSO-G4 | R-PDSO-G4 | R-PDSO-G4 |
| JESD-609 Code | e3 | e3 | e3 | e3 | e3 | e3 | e3 | e3 |
| Line Regulation-Max | 0.03% | 0.48% | 0.006% | 0.006% | 0.016% | 0.006% | — | — |
| Load Regulation-Max | 0.03% | 0.175% | 0.01% | 0.01% | 0.0048% | 0.03% | — | — |
| Number of Functions | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Number of Outputs | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | -40 °C | — | — | — | -40 °C | — | -40 °C |
| Output Current1-Max | 1.3 A | 0.15 A | 1 A | 1 A | 1.3 A | 1.3 A | 1.3 A | 1.3 A |
| Output Voltage1-Max | 1.87 V | 10.2 V | 1.872 V | 3.432 V | 1.26 V | 2.6 V | 15 V | 15 V |
| Output Voltage1-Min | 1.73 V | 9.8 V | 1.728 V | 3.168 V | 1.14 V | 2.4 V | 1.25 V | 1.25 V |
| Output Voltage1-Nom | 1.8 V | 10 V | 1.8 V | 3.3 V | 1.2 V | 2.5 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | SOT-223 | TO-243 | SOT-223 | SMSIP3H,.38,90TB | SOT-223 | SOT-223 | SOT-223 | SOT-223 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE | SMALL OUTLINE |
| Packing Method | TR, 7 INCH | TR | TR | TR | TR, 7 INCH | TR, 7 INCH | TR, 7 INCH | TR, 7 INCH |
| Peak Reflow Temperature (Cel) | 260 | 260 | 260 | 260 | 260 | 260 | 260 | 260 |
| Qualification Status | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR | ADJUSTABLE POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | CMOS | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR | BIPOLAR |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | FLAT | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 2.3 mm | 1.5 mm | 2.3 mm | 2.28 mm | 2.3 mm | 2.3 mm | 2.3 mm | 2.3 mm |
| Terminal Position | DUAL | SINGLE | DUAL | SINGLE | DUAL | DUAL | DUAL | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 | 40 | 40 | 30 | 30 | 30 | NOT SPECIFIED | NOT SPECIFIED |
| Voltage Tolerance-Max | 2% | 2% | 2% | 2% | 2% | 2% | — | — |
| Pbfree Code | — | Yes | — | — | — | — | — | — |
| Manufacturer Package Code | — | SOT-89-3 | — | — | — | — | — | — |
| Screening Level | — | TS 16949 | — | — | — | — | — | — |
| ## LD1117S12TR Alternates Showing results | — | — | — | — | Image | — | — | — |
| Input-Output Voltage Differential-Max | — | — | — | — | — | — | 13.75 V | 13.75 V |
| Input-Output Voltage Differential-Min | — | — | — | — | — | — | 1.5 V | 1.5 V |
| Line Regulation-Max (%/V) | — | — | — | — | — | — | 0.16 | 0.08 |
| Load Regulation-Max(%) | — | — | — | — | — | — | 0.4% | 1% |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
Quick Links
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Adjustable Positive LDO Regulator, 1.25V Min, 15V Max, 1.2V Dropout, BIPolar, PDSO4
Adjustable Positive LDO Regulator, 1.25V Min, 15V Max, 1.2V Dropout, BIPolar, PDSO4
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Request Alternatives for LD1117S18CTRFAQ
What is equivalent to LD1117S18CTR?
Known equivalents for LD1117S18CTR include MCP1804T-A002I/MB, LD1117AS18TR, LD1117ADT33TR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD1117S18CTR?
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 LD1117S18CTR 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.