LD39015M18RAlternatives & Equivalent Parts
About LD39015M18R
LD39015M18R is a Integrated Circuit component manufactured by STMicroelectronics. It comes in a SOT23 (5-Pin) package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.
Specification Comparison
| Parameter | LD39015M18RSource | STM32F411RET6TR | STM32L031K6T6 | TCA9534APWR | LD39015M10R | LD39015M33R |
|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | STMicroelectronics | Texas Instruments | STMicroelectronics | STMicroelectronics |
| Package Type | SOT23 (5-Pin) | Quad Flat Packages | Quad Flat Packages | Small Outline Packages | SOT23 (5-Pin) | SOT23 (5-Pin) |
| Pin Count | 5 | 64 | 32 | 16 | 5 | 5 |
| Temperature Range | — | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | -40.0°C ~ 85.0°C | — | — |
| Price | $0.2695 | — | — | $0.5550 | $0.2646 | $0.2716 |
| Electrical Parameters | ||||||
| Factory Lead Time | 16 Weeks | 15 Weeks | — | — | 16 Weeks | 16 Weeks |
| YTEOL | 7 | 9 | 9 | 15 | 7 | 7 |
| Adjustability | FIXED | — | — | — | FIXED | FIXED |
| Dropout Voltage1-Max | 0.1 V | — | — | — | 0.1 V | 0.1 V |
| Dropout Voltage1-Nom | 0.08 V | — | — | — | 0.08 V | 0.08 V |
| Input Voltage Absolute-Max | 7 V | — | — | — | 7 V | 7 V |
| Input Voltage-Max | 5.5 V | — | — | — | 5.5 V | 5.5 V |
| Input Voltage-Min | 1.5 V | — | — | — | 1.5 V | 1.5 V |
| JESD-30 Code | R-PDSO-G5 | S-PQFP-G64 | S-PQFP-G32 | R-PDSO-G16 | R-PDSO-G5 | R-PDSO-G5 |
| JESD-609 Code | e3 | — | e4 | e4 | e4 | e3 |
| Line Regulation-Max | 0.00072% | — | — | — | 0.0004% | 0.00132% |
| Load Regulation-Max | 0.005364% | — | — | — | 0.00298% | 0.009834% |
| Number of Functions | 1 | — | — | — | 1 | 1 |
| Number of Outputs | 1 | — | — | — | 1 | 1 |
| Operating Temperature TJ-Max | 125 °C | — | — | — | 125 °C | 125 °C |
| Operating Temperature TJ-Min | -40 °C | — | — | — | -40 °C | -40 °C |
| Output Current1-Max | 0.15 A | — | — | — | 0.15 A | 0.15 A |
| Output Voltage1-Max | 1.854 V | — | — | — | 1.03 V | 3.399 V |
| Output Voltage1-Min | 1.746 V | — | — | — | 0.97 V | 3.201 V |
| Output Voltage1-Nom | 1.8 V | — | — | — | 1 V | 3.3 V |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | QFP64,.47SQ,20 | — | — | TSOP5/6,.11,37 | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR | SQUARE | SQUARE | RECTANGULAR | RECTANGULAR | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | FLATPACK, LOW PROFILE, FINE PITCH | FLATPACK, LOW PROFILE | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Packing Method | TR | — | — | — | TR | TR |
| Peak Reflow Temperature (Cel) | 260 | NOT SPECIFIED | 260 | 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 | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR |
| Surface Mount | YES | YES | YES | YES | YES | YES |
| Technology | BICMOS | CMOS | CMOS | CMOS | BICMOS | BICMOS |
| Terminal Finish | Matte Tin (Sn) - annealed | — | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.5 mm | 0.8 mm | 0.65 mm | 0.95 mm | 0.95 mm |
| Terminal Position | DUAL | QUAD | QUAD | DUAL | DUAL | DUAL |
| Voltage Tolerance-Max | 3% | — | — | — | 3% | 3% |
| Has ADC | — | YES | YES | — | — | — |
| Bit Size | — | 32 | 32 | — | — | — |
| Boundary Scan | — | YES | NO | — | — | — |
| CPU Family | — | CORTEX-M4 | CORTEX-M0 | — | — | — |
| Clock Frequency-Max | — | 26 MHz | 25 MHz | 0.4 MHz | — | — |
| DAC Channels | — | NO | NO | — | — | — |
| DMA Channels | — | YES | YES | — | — | — |
| Format | — | FLOATING POINT | — | — | — | — |
| Integrated Cache | — | NO | — | — | — | — |
| Low Power Mode | — | YES | — | — | — | — |
| Number of External Interrupts | — | 16 | — | — | — | — |
| Number of I/O Lines | — | 50 | 25 | 8 | — | — |
| On Chip Data RAM Width | — | 8 | — | — | — | — |
| On Chip Program ROM Width | — | 8 | 8 | — | — | — |
| PWM Channels | — | YES | YES | — | — | — |
| RAM (bytes) | — | 131072 | 8192 | — | — | — |
| RAM (words) | — | 65536 | — | — | — | — |
| ROM (words) | — | 524288 | 32768 | — | — | — |
| ROM Programmability | — | FLASH | FLASH | — | — | — |
| Speed | — | 100 MHz | 32 MHz | — | — | — |
| Supply Current-Max | — | 34.5 mA | — | 0.04 mA | — | — |
| Supply Voltage-Max | — | 3.6 V | 3.6 V | 5.5 V | — | — |
| Supply Voltage-Min | — | 3.3 V | 3 V | 1.65 V | — | — |
| Supply Voltage-Nom | — | 3.3 V | 3 V | 1.8 V | — | — |
| Temperature Grade | — | INDUSTRIAL | INDUSTRIAL | INDUSTRIAL | — | — |
| Time@Peak Reflow Temperature-Max (s) | — | NOT SPECIFIED | — | 30 | 40 | — |
| uPs/uCs/Peripheral ICs Type | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC | PARALLEL IO PORT, GENERAL PURPOSE | — | — |
| ## STM32F411RET6TR Alternates Showing results | — | Image | — | — | — | — |
| Number of DMA Channels | — | — | 7 | — | — | — |
| Number of Timers | — | — | 5 | — | — | — |
| Pbfree Code | — | — | — | Yes | — | — |
| Address Bus Width | — | — | — | 8 | — | — |
| Number of Bits | — | — | — | 8 | — | — |
| Number of Ports | — | — | — | 1 | — | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Finding alternatives for LD39015M18R 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.
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What is equivalent to LD39015M18R?
Known equivalents for LD39015M18R include STM32F411RET6TR, STM32L031K6T6, TCA9534APWR. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD39015M18R?
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 LD39015M18R 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.