LDS3985M33RAlternatives & Equivalent Parts
About LDS3985M33R
LDS3985M33R 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.
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Specification Comparison
| Parameter | LDS3985M33RSource | LDK320M50R | AVR128DB48T-E/PT | STB14NM50N |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | Microchip | STMicroelectronics |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Quad Flat Packages | Other |
| Pin Count | 5 | 5 | 48 | 4 |
| Temperature Range | — | — | -40.0°C ~ 125.0°C | -55.0°C ~ 150.0°C |
| Price | $0.2499 | $0.1450 | $1.6800 | $1.2516 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| YTEOL | 7 | 8 | 19 | 6 |
| Adjustability | FIXED | FIXED | — | — |
| Dropout Voltage1-Max | 0.25 V | — | — | — |
| Dropout Voltage1-Nom | 0.15 V | 1 V | — | — |
| Input Voltage Absolute-Max | 6 V | 20 V | — | — |
| Input Voltage-Max | 6 V | 18 V | — | — |
| Input Voltage-Min | 2.5 V | 6 V | — | — |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | S-PQFP-G48 | R-PSSO-G2 |
| JESD-609 Code | e3 | e3 | e3 | e3 |
| Line Regulation-Max | 0.00726% | 0.03% | — | — |
| Load Regulation-Max | 0.03947% | 0.02985% | — | — |
| Number of Functions | 1 | 1 | — | — |
| Number of Outputs | 1 | 1 | — | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | — |
| Operating Temperature TJ-Min | -40 °C | -40 °C | — | — |
| Output Current1-Max | 0.3 A | 0.2 A | — | — |
| Output Voltage1-Max | 3.399 V | 5.15 V | — | — |
| Output Voltage1-Min | 3.201 V | 4.85 V | — | — |
| Output Voltage1-Nom | 3.3 V | 5 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | TQFP48,.35SQ | — |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | FLATPACK, THIN PROFILE, FINE PITCH | SMALL OUTLINE |
| Packing Method | TR | TR | — | — |
| Peak Reflow Temperature (Cel) | 260 | NOT SPECIFIED | — | 245 |
| Qualification Status | Not Qualified | — | — | Not Qualified |
| Regulator Type | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Surface Mount | YES | YES | YES | YES |
| Technology | BICMOS | — | CMOS | — |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING | GULL WING | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm | 0.5 mm | — |
| Terminal Position | DUAL | DUAL | QUAD | SINGLE |
| Time@Peak Reflow Temperature-Max (s) | 30 | NOT SPECIFIED | — | 30 |
| Voltage Tolerance-Max | 3% | 3% | — | — |
| Factory Lead Time | — | 16 Weeks | 6 Weeks | 14 Weeks |
| Manufacturer Package Code | — | — | TQFP-48 | — |
| Has ADC | — | — | YES | — |
| Bit Size | — | — | 8 | — |
| Boundary Scan | — | — | NO | — |
| CPU Family | — | — | AVR | — |
| Clock Frequency-Max | — | — | 24 MHz | — |
| DAC Channels | — | — | YES | — |
| DMA Channels | — | — | NO | — |
| Format | — | — | FIXED POINT | — |
| Integrated Cache | — | — | NO | — |
| Low Power Mode | — | — | YES | — |
| Number of External Interrupts | — | — | 41 | — |
| Number of I/O Lines | — | — | 41 | — |
| Number of Serial I/Os | — | — | 5 | — |
| Number of Timers | — | — | 7 | — |
| On Chip Data RAM Width | — | — | 8 | — |
| On Chip Program ROM Width | — | — | 8 | — |
| PWM Channels | — | — | YES | — |
| RAM (bytes) | — | — | 16384 | — |
| RAM (words) | — | — | 16384 | — |
| ROM (words) | — | — | 131072 | — |
| ROM Programmability | — | — | FLASH | — |
| Speed | — | — | 24 MHz | — |
| Supply Voltage-Max | — | — | 5.5 V | — |
| Supply Voltage-Min | — | — | 1.8 V | — |
| Supply Voltage-Nom | — | — | 3 V | — |
| Temperature Grade | — | — | AUTOMOTIVE | — |
| uPs/uCs/Peripheral ICs Type | — | — | MICROCONTROLLER, RISC | — |
| ## AVR128DB48T-E/PT Alternates Showing results | — | — | Image | — |
| Additional Feature | — | — | — | AVALANCHE RATED |
| Avalanche Energy Rating (Eas) | — | — | — | 18 mJ |
| Case Connection | — | — | — | DRAIN |
| Configuration | — | — | — | SINGLE WITH BUILT-IN DIODE |
| DS Breakdown Voltage-Min | — | — | — | 500 V |
| Drain Current-Max (ID) | — | — | — | 12 A |
| Drain-source On Resistance-Max | — | — | — | 0.32 Ω |
| FET Technology | — | — | — | METAL-OXIDE SEMICONDUCTOR |
| Feedback Cap-Max (Crss) | — | — | — | 3 pF |
| JEDEC-95 Code | — | — | — | TO-263AB |
| Number of Elements | — | — | — | 1 |
| Operating Mode | — | — | — | ENHANCEMENT MODE |
| Polarity/Channel Type | — | — | — | N-CHANNEL |
| Power Dissipation-Max (Abs) | — | — | — | 90 W |
| Pulsed Drain Current-Max (IDM) | — | — | — | 48 A |
| Transistor Application | — | — | — | SWITCHING |
| Transistor Element Material | — | — | — | SILICON |
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 3 alternatives for LDS3985M33R — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LDS3985M33R 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 LDS3985M33R 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 LDS3985M33R?
Known equivalents for LDS3985M33R include LDK320M50R, AVR128DB48T-E/PT, STB14NM50N. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LDS3985M33R?
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 LDS3985M33R 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.