LD2981ABM33TRAlternatives & Equivalent Parts
About LD2981ABM33TR
LD2981ABM33TR 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 | LD2981ABM33TRSource | LP2981AIM5-3.3/NOPB | ADG736BRMZ | TL3016ID |
|---|---|---|---|---|
| Manufacturer | STMicroelectronics | Texas Instruments | Analog Devices | Texas Instruments |
| Package Type | SOT23 (5-Pin) | SOT23 (5-Pin) | Small Outline Packages | — |
| Pin Count | 5 | 5 | 10 | — |
| Temperature Range | — | -40.0°C ~ 125.0°C | -40.0°C ~ 125.0°C | — |
| Price | $0.2659 | $0.5140 | $1.8500 | $3.3788 |
| Stock | In Stock | In Stock | In Stock | In Stock |
| Lifecycle | ACTIVE | ACTIVE | ACTIVE | ACTIVE |
| Electrical Parameters | ||||
| Factory Lead Time | 12 Weeks | — | — | — |
| YTEOL | 6.4 | 15 | 10 | — |
| Adjustability | FIXED | FIXED | — | — |
| Dropout Voltage1-Max | 0.375 V | 0.375 V | — | — |
| Dropout Voltage1-Nom | 0.18 V | 0.2 V | — | — |
| Input Voltage Absolute-Max | 16 V | 16 V | — | — |
| Input Voltage-Max | 16 V | 16 V | — | — |
| Input Voltage-Min | 4.3 V | 4.3 V | — | — |
| JESD-30 Code | R-PDSO-G5 | R-PDSO-G5 | S-PDSO-G10 | — |
| JESD-609 Code | e3 | e3 | e3 | — |
| Line Regulation-Max | 0.0134% | 0.0124% | — | — |
| Number of Functions | 1 | 1 | 2 | — |
| Number of Outputs | 1 | 1 | — | — |
| Operating Temperature TJ-Max | 125 °C | 125 °C | — | — |
| Operating Temperature TJ-Min | -40 °C | -40 °C | — | — |
| Output Current1-Max | 0.1 A | 0.1 A | — | — |
| Output Voltage1-Max | 3.383 V | 3.3825 V | — | — |
| Output Voltage1-Min | 3.217 V | 3.2175 V | — | — |
| Output Voltage1-Nom | 3.3 V | 3.3 V | — | — |
| Package Body Material | PLASTIC/EPOXY | PLASTIC/EPOXY | PLASTIC/EPOXY | — |
| Package Equivalence Code | TSOP5/6,.11,37 | TSOP5/6,.11,37 | TSSOP10,.19,20 | — |
| Package Shape | RECTANGULAR | RECTANGULAR | SQUARE | — |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH | — |
| Packing Method | TR | TR | — | — |
| Peak Reflow Temperature (Cel) | 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 | — | — |
| Surface Mount | YES | YES | YES | — |
| Technology | BIPOLAR | BIPOLAR | CMOS | — |
| Terminal Finish | Matte Tin (Sn) - annealed | Matte Tin (Sn) | Matte Tin (Sn) | — |
| Terminal Form | GULL WING | GULL WING | GULL WING | — |
| Terminal Pitch | 0.95 mm | 0.95 mm | 0.5 mm | — |
| Terminal Position | DUAL | DUAL | DUAL | — |
| Time@Peak Reflow Temperature-Max (s) | 30 | 30 | 30 | — |
| Voltage Tolerance-Max | 2.5% | 2.5% | — | — |
| ## LD2981ABM33TR Alternates Showing results | Image | — | — | — |
| Pbfree Code | — | Yes | No | — |
| Load Regulation-Max | — | 0.0016335% | — | — |
| ## LP2981AIM5-3.3/NOPB Alternates Showing results | — | Image | — | — |
| Manufacturer Package Code | — | — | RM-10 | — |
| Analog IC - Other Type | — | — | SPDT | — |
| Number of Channels | — | — | 1 | — |
| Off-state Isolation-Nom | — | — | 62 dB | — |
| On-state Resistance Match-Nom | — | — | 0.1 Ω | — |
| On-state Resistance-Max (Ron) | — | — | 12 Ω | — |
| Output | — | — | SEPARATE OUTPUT | — |
| Signal Current-Max | — | — | 0.03 A | — |
| Supply Current-Max (Isup) | — | — | 0.001 mA | — |
| Supply Voltage-Max (Vsup) | — | — | 5.5 V | — |
| Supply Voltage-Min (Vsup) | — | — | 1.8 V | — |
| Supply Voltage-Nom (Vsup) | — | — | 3 V | — |
| Switch-off Time-Max | — | — | 10 ns | — |
| Switch-on Time-Max | — | — | 20 ns | — |
| Switching | — | — | BREAK-BEFORE-MAKE | — |
| Temperature Grade | — | — | AUTOMOTIVE | — |
| ## ADG736BRMZ Alternates Showing results | — | — | Image | — |
Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.
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Get one quote covering all 3 alternatives for LD2981ABM33TR — response within 24 hours.
Quick Links
Regulator, 3.3V, 0.375V Dropout, BIPolar, PDSO5
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Why Look for Alternatives?
Finding alternatives for LD2981ABM33TR 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 LD2981ABM33TR 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 LD2981ABM33TR?
Known equivalents for LD2981ABM33TR include LP2981AIM5-3.3/NOPB, ADG736BRMZ, TL3016ID. Contact FindMyChip for a full compatibility analysis for your specific application.
Can I use a different manufacturer's part instead of LD2981ABM33TR?
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 LD2981ABM33TR 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.