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STMicroelectronics LD3985M33R Microcontrollers

3.3V 150mA LDO Voltage Regulator, 400uV Dropout, SOT-23-5

12,237 ActiveSTMicroelectronicsSC-74A, SOT-753$0.24
LD3985M33R SC-74A, SOT-753 package illustration

Same model may have multiple batches, images only for reference.

LD3985M33R
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
PDF LD3985M33R Datasheet
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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 PartAlternate PartsAlternate PartsAlternate Parts
Package / CaseSC-74A, SOT-753SC-74A, SOT-753SC-74A, SOT-753SC-74A, SOT-753
Mounting TypeSurface MountSurface MountSurface MountSurface Mount
Operating Temperature-40°C ~ 125°C-40°C ~ 125°C-40°C ~ 125°C-40°C ~ 125°C
RoHSYesYesYesYes
Lifecycle StatusActiveActiveActiveActive
GradeIndustrialIndustrialIndustrialIndustrial
Maximum Operating Temperature C125.0125.0125.0125.0
Minimum Operating Temperature C-40.0-40.0-40.0-40.0
PackageSOT23-5SC-74A,SOT-753SOT-23-5SOT-23-5
Packing TypeTape And ReelTape And ReelTape And ReelTape And Reel
Control FeaturesEnableEnableEnable--
Current Supply Max250 µA1.2 mA2.6 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

NCP163ASN330T1GNCP163ASN330T1Gonsemi
Directonsemi
Pin YesPkg YesElec Upgrade
LDO Regulator, 250 mA, Ultra-High PSRR, Ultra-Low Noise 3.3 V, Active Discharge, TSOP5, 3000-REEL

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