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.

Specification Comparison

ParameterLD2985BM18RSourceLP2985A-18DBVRLP2985A-18DBVJATTINY25-20SSUPIC18F45K22-E/PT
ManufacturerSTMicroelectronicsTexas InstrumentsTexas InstrumentsMicrochipMicrochip
Package TypeSOT23 (5-Pin)SOT23 (5-Pin)SOT23 (5-Pin)Small Outline PackagesQuad Flat Packages
Pin Count555844
Temperature Range-40.0°C ~ 85.0°C-40.0°C ~ 125.0°C
Price$0.2274$0.2048$0.4347$0.7200
Electrical Parameters
YTEOL0150148
AdjustabilityFIXEDFIXEDFIXED
Dropout Voltage1-Max0.575 V0.575 V0.575 V
Dropout Voltage1-Nom0.28 V0.28 V0.28 V
Input Voltage Absolute-Max16 V16 V16 V
Input Voltage-Max16 V16 V16 V
Input Voltage-Min2.5 V2.2 V10.925 V
JESD-30 CodeR-PDSO-G5R-PDSO-G5R-PDSO-G5R-PDSO-G8S-PQFP-G44
JESD-609 Codee3e3e4e3e3
Line Regulation-Max0.0076%0.0076032%0.0076032%
Load Regulation-Max0.02%0.063%
Number of Functions111
Number of Outputs111
Operating Temperature TJ-Max125 °C125 °C125 °C
Operating Temperature TJ-Min-40 °C-40 °C-40 °C
Output Current1-Max0.15 A0.15 A0.15 A
Output Voltage1-Max1.872 V1.863 V1.863 V
Output Voltage1-Min1.728 V1.737 V1.737 V
Output Voltage1-Nom1.8 V1.8 V1.8 V
Package Body MaterialPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXYPLASTIC/EPOXY
Package Equivalence CodeTSOP5/6,.11,37TSOP5/6,.11,37TSOP5/6,.11,37SOP8,.23TQFP44,.47SQ,32
Package ShapeRECTANGULARRECTANGULARRECTANGULARRECTANGULARSQUARE
Package StyleSMALL OUTLINE, LOW PROFILE, SHRINK PITCHSMALL OUTLINE, LOW PROFILE, SHRINK PITCHSMALL OUTLINE, LOW PROFILE, SHRINK PITCHSMALL OUTLINEFLATPACK, THIN PROFILE
Packing MethodTRTR, 7 INCHTR, 13 INCH
Peak Reflow Temperature (Cel)260260260260260
Qualification StatusNot QualifiedNot QualifiedNot QualifiedNot QualifiedNot Qualified
Regulator TypeFIXED POSITIVE SINGLE OUTPUT LDO REGULATORFIXED POSITIVE SINGLE OUTPUT LDO REGULATORFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Surface MountYESYESYESYESYES
TechnologyBIPOLARCMOSCMOSCMOSCMOS
Terminal FinishMatte Tin (Sn) - annealedTin (Sn)Nickel/Palladium/Gold (Ni/Pd/Au)Matte Tin (Sn)Matte Tin (Sn)
Terminal FormGULL WINGGULL WINGGULL WINGGULL WINGGULL WING
Terminal Pitch0.95 mm0.95 mm0.95 mm1.27 mm0.8 mm
Terminal PositionDUALDUALDUALDUALQUAD
Time@Peak Reflow Temperature-Max (s)30303040
Voltage Tolerance-Max3.5%3.5%3.5%
## LD2985BM18R Alternates Showing resultsImage
Pbfree CodeYesYesYesYes
Manufacturer Package CodeSOIC-8TQFP-44
Factory Lead Time6 Weeks6 Weeks
Has ADCYESYES
Additional FeatureOPERATES AT 2.7 V MINIMUM SUPPLY AT 10 MHZALSO OPERATES 2.3V MINIMUM SUPPLY AT 16 MHZ
Bit Size88
Boundary ScanNONO
CPU FamilyAVR RISCPIC18
Clock Frequency-Max20 MHz64 MHz
DAC ChannelsNOYES
DMA ChannelsNONO
FormatFIXED POINTFIXED POINT
Integrated CacheNONO
Low Power ModeYESYES
Number of External Interrupts1
Number of I/O Lines636
Number of Timers27
On Chip Data RAM Width88
On Chip Program ROM Width88
PWM ChannelsYESYES
RAM (bytes)1281536
ROM (words)204832768
ROM ProgrammabilityFLASHFLASH
Speed20 MHz48 MHz
Supply Current-Max8 mA12 mA
Supply Voltage-Max5.5 V5.5 V
Supply Voltage-Min5 V2.7 V
Supply Voltage-Nom5 V5 V
Temperature GradeINDUSTRIALAUTOMOTIVE
uPs/uCs/Peripheral ICs TypeMICROCONTROLLER, RISCMICROCONTROLLER, RISC
## ATTINY25-20SSU Alternates Showing resultsImage
Number of DMA Channels3
RAM (words)1536
## PIC18F45K22-E/PT Alternates Showing resultsImage

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

Quick Links

LP2985A-18DBVRby Texas Instruments Fixed Positive LDO

Regulator, 1.8V, 0.575V Dropout, CMOS, PDSO5

LP2985A-18DBVJby Texas Instruments Fixed Positive LDO

Regulator, 1.8V, 0.575V Dropout, CMOS, PDSO5

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, ATTINY25-20SSU. 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.