STMicroelectronics LD3985M33R Microcontrollers
3.3V 150mA LDO Voltage Regulator, 400uV Dropout, SOT-23-5
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
LD3985M33R
Detailed Description
3.3V 150mA LDO Voltage Regulator, 400uV Dropout, SOT-23-5
Package
SC-74A, SOT-753
Lifecycle Status
Active
Datasheet
LD3985M33R Datasheet
Quick Jump:
Technical Specifications
STMicroelectronics LD3985M33R Microcontrollers technical specifications.
General
RoHS
Yes
Package / Case
SC-74A, SOT-753
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 125°C
Lifecycle Status
Active
Output Type
Fixed
Max Input Voltage
6V
Current Supply Max
250 µA
Output Current
150mA
Quiescent Current
150 µA
Alternate Parts Comparison (LD3985M33R vs LD2980ABM50TR vs LD2981ABM33TR vs TS321AILT)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 | SC-74A, SOT-753 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| RoHS | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active |
| Grade | Industrial | Industrial | Industrial | Industrial |
| Maximum Operating Temperature C | 125.0 | 125.0 | 125.0 | 125.0 |
| Minimum Operating Temperature C | -40.0 | -40.0 | -40.0 | -40.0 |
| Package | SOT23-5 | SC-74A,SOT-753 | SOT-23-5 | SOT-23-5 |
| Packing Type | Tape And Reel | Tape And Reel | Tape And Reel | Tape And Reel |
| Control Features | Enable | Enable | Enable | -- |
| Current Supply Max | 250 µA | 1.2 mA | 2.6 mA | -- |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
Directonsemi
Pin YesPkg YesElec Upgrade
LDO Regulator, 250 mA, Ultra-High PSRR, Ultra-Low Noise 3.3 V, Active Discharge, TSOP5, 3000-REEL
More Parts in Microcontrollers
Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.