LD2985BM18RAlternatives & Equivalent Parts
About LD2985BM18R
LD2985BM18R 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 | LD2985BM18RSource | LP2985A-18DBVR | LP2985A-18DBVJ | GRM155C71A225KE11D | LDFM33PVR | ATTINY25-20SSU | PIC18F45K22-E/PT |
|---|---|---|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Texas Instruments | Murata Electronics | STMicroelectronics | Microchip | Microchip |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | SOT23 (5-Pin) | Capacitor Chip Non-polarised | Small Outline No-lead | Small Outline Packages | Quad Flat Packages |
| Pin Count | 5 | 5 | 5 | 2 | 7 | 8 | 44 |
| Temperature Range | — | — | — | -55.0°C ~ 125.0°C | — | -40.0°C ~ 85.0°C | -40.0°C ~ 125.0°C |
| Price | $0.2274 | $0.2048 | $0.4347 | $0.0205 | $0.3118 | $0.7200 | $2.6900 |
| Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | OBSOLETE | ACTIVE | OBSOLETE | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | |||||||
| YTEOL | 0 | 15 | 0 | 7 | 8 | 14 | 8 |
| Adjustability | FIXED | FIXED | FIXED | — | FIXED | — | — |
| Dropout Voltage1-Max | 0.575 V | 0.575 V | 0.575 V | — | 0.3 V | — | — |
| Dropout Voltage1-Nom | 0.28 V | 0.28 V | 0.28 V | — | 0.125 V | — | — |
| Input Voltage Absolute-Max | 16 V | 16 V | 16 V | — | 20 V | — | — |
| Input Voltage-Max | 16 V | 16 V | 16 V | — | 16 V | — | — |
| Input Voltage-Min | 2.5 V | 2.2 V | 10.925 V | — | 2.5 V | — | — |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | R-PDSO-G5 | — | S-PDSO-N6 | R-PDSO-G8 | S-PQFP-G44 |
| JESD-609 Code | e3 | e3 | e4 | e3 | e4 | e3 | e3 |
| Line Regulation-Max | 0.0076% | 0.0076032% | 0.0076032% | — | 0.01782% | — | — |
| Load Regulation-Max | 0.02% | 0.063% | — | — | 0.01% | — | — |
| Number of Functions | 1 | 1 | 1 | — | 1 | — | — |
| Number of Outputs | 1 | 1 | 1 | — | 1 | — | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | 125 °C | — | 125 °C | — | — |
| Operating Temperature TJ-Min | -40 °C | -40 °C | -40 °C | — | -40 °C | — | — |
| Output Current1-Max | 0.15 A | 0.15 A | 0.15 A | — | 0.5 A | — | — |
| Output Voltage1-Max | 1.872 V | 1.863 V | 1.863 V | — | 3.3495 V | — | — |
| Output Voltage1-Min | 1.728 V | 1.737 V | 1.737 V | — | 3.2505 V | — | — |
| Output Voltage1-Nom | 1.8 V | 1.8 V | 1.8 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 | TSOP5/6,.11,37 | TSOP5/6,.11,37 | — | — | SOP8,.23 | TQFP44,.47SQ,32 |
| Package Shape | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR PACKAGE | SQUARE | RECTANGULAR | SQUARE |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMT | SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE | SMALL OUTLINE | FLATPACK, THIN PROFILE |
| Packing Method | TR | TR, 7 INCH | TR, 13 INCH | 180mm Reel W8P2 | TR | — | — |
| Peak Reflow Temperature (Cel) | 260 | 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 | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR | — | — |
| Surface Mount | YES | YES | YES | YES | YES | YES | YES |
| Technology | BIPOLAR | CMOS | CMOS | — | CMOS | CMOS | CMOS |
| Terminal Finish | Matte Tin (Sn) - annealed | Tin (Sn) | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) - with Nickel (Ni) barrier | Nickel/Palladium/Gold (Ni/Pd/Au) | Matte Tin (Sn) | Matte Tin (Sn) |
| Terminal Form | GULL WING | GULL WING | GULL WING | — | NO LEAD | GULL WING | GULL WING |
| Terminal Pitch | 0.95 mm | 0.95 mm | 0.95 mm | — | 0.65 mm | 1.27 mm | 0.8 mm |
| Terminal Position | DUAL | DUAL | DUAL | — | DUAL | DUAL | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — | — | — | 40 |
| Voltage Tolerance-Max | 3.5% | 3.5% | 3.5% | — | 1.5% | — | — |
| ## LD2985BM18R Alternates Showing results | Image | — | — | — | — | — | — |
| Pbfree Code | — | Yes | Yes | Yes | — | Yes | Yes |
| Reach Compliance Code | — | — | — | Compliant | — | — | — |
| Factory Lead Time | — | — | — | 10 Weeks | 16 Weeks | 6 Weeks | 6 Weeks |
| Capacitance | — | — | — | 2.2 µF | — | — | — |
| Capacitor Type | — | — | — | CERAMIC CAPACITOR | — | — | — |
| Dielectric Material | — | — | — | CERAMIC | — | — | — |
| Height | — | — | — | 0.5 mm | — | — | — |
| Mounting Feature | — | — | — | SURFACE MOUNT | — | — | — |
| Multilayer | — | — | — | YES | — | — | — |
| Negative Tolerance | — | — | — | 10% | — | — | — |
| Positive Tolerance | — | — | — | 10% | — | — | — |
| Rated (DC) Voltage (URdc) | — | — | — | 10 V | — | — | — |
| Size Code | — | — | — | 1005M/0402 | — | — | — |
| Temperature Characteristics Code | — | — | — | X7S | — | — | — |
| Temperature Coefficient | — | — | — | 22% ppm/°C | — | — | — |
| Terminal Shape | — | — | — | WRAPAROUND | — | — | — |
| Manufacturer Package Code | — | — | — | — | VFDFPN 6L 2X2X0.9 | SOIC-8 | TQFP-44 |
| Date Of Intro | — | — | — | — | 2017-07-31 | — | — |
| Has ADC | — | — | — | — | — | YES | YES |
| Additional Feature | — | — | — | — | — | OPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZ | ALSO OPERATES 2.3V MINIMUM SUPPLY AT 16 MHZ |
| Bit Size | — | — | — | — | — | 8 | 8 |
| Boundary Scan | — | — | — | — | — | NO | NO |
| CPU Family | — | — | — | — | — | AVR RISC | PIC18 |
| Clock Frequency-Max | — | — | — | — | — | 20 MHz | 64 MHz |
| DAC Channels | — | — | — | — | — | NO | YES |
| DMA Channels | — | — | — | — | — | NO | NO |
| Format | — | — | — | — | — | FIXED POINT | FIXED POINT |
| Integrated Cache | — | — | — | — | — | NO | NO |
| Low Power Mode | — | — | — | — | — | YES | YES |
| Number of External Interrupts | — | — | — | — | — | 1 | — |
| Number of I/O Lines | — | — | — | — | — | 6 | 36 |
| Number of Timers | — | — | — | — | — | 2 | 7 |
| On Chip Data RAM Width | — | — | — | — | — | 8 | 8 |
| On Chip Program ROM Width | — | — | — | — | — | 8 | 8 |
| PWM Channels | — | — | — | — | — | YES | YES |
| RAM (bytes) | — | — | — | — | — | 128 | 1536 |
| ROM (words) | — | — | — | — | — | 2048 | 32768 |
| ROM Programmability | — | — | — | — | — | FLASH | FLASH |
| Speed | — | — | — | — | — | 20 MHz | 48 MHz |
| Supply Current-Max | — | — | — | — | — | 8 mA | 12 mA |
| Supply Voltage-Max | — | — | — | — | — | 5.5 V | 5.5 V |
| Supply Voltage-Min | — | — | — | — | — | 5 V | 2.7 V |
| Supply Voltage-Nom | — | — | — | — | — | 5 V | 5 V |
| Temperature Grade | — | — | — | — | — | INDUSTRIAL | AUTOMOTIVE |
| uPs/uCs/Peripheral ICs Type | — | — | — | — | — | MICROCONTROLLER, RISC | MICROCONTROLLER, RISC |
| ## ATTINY25-20SSU Alternates Showing results | — | — | — | — | — | Image | — |
| Number of DMA Channels | — | — | — | — | — | — | 3 |
| RAM (words) | — | — | — | — | — | — | 1536 |
| ## PIC18F45K22-E/PT Alternates Showing results | — | — | — | — | — | — | Image |
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 6 alternatives for LD2985BM18R — response within 24 hours.
Quick Links
Why Look for Alternatives?
Finding alternatives for LD2985BM18R 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 LD2985BM18R 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 LD2985BM18R?
Known equivalents for LD2985BM18R include LP2985A-18DBVR, LP2985A-18DBVJ, GRM155C71A225KE11D. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD2985BM18R?
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 LD2985BM18R 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.