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LD3985M33R

STMicroelectronics

LD3985M33R by STMicroelectronics

STMicroelectronics' LD3985M33R is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 0.15A. Operating temperature ranges from -40°C to 125°C, making it suitable for various applications requiring stable voltage regulation in compact spaces. The package style is small outline, low profile, shrink pitch, ideal for surface mount designs with limited space constraints.

Median Price

$0.348

Lifecycle Status

Suppliers In-Stock

31

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Farnell

UK . 20,731 parts In-Stock

1+ parts

$0.462

100+ parts

$0.258

1k+ parts

$0.201

10k+ parts

$0.188

20,731

$0.462

$0.258

$0.201

$0.188

Distrelec

Netherlands . 2,805 parts In-Stock

1+ parts

$0.498

100+ parts

$0.282

1k+ parts

$0.238

10k+ parts

-

2,805

$0.498

$0.282

$0.238

-

Mouser Electronics

USA . 40,429 parts In-Stock

1+ parts

$0.710

100+ parts

$0.389

1k+ parts

$0.332

10k+ parts

$0.282

40,429

$0.710

$0.389

$0.332

$0.282

DigiKey

USA . 16,417 parts In-Stock

1+ parts

$0.780

100+ parts

$0.435

1k+ parts

$0.373

10k+ parts

-

16,417

$0.780

$0.435

$0.373

-

Newark

USA . 20,728 parts In-Stock

1+ parts

$0.803

100+ parts

$0.404

1k+ parts

$0.264

10k+ parts

-

20,728

$0.803

$0.404

$0.264

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Arrow

USA . 42,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.158

42,000

-

-

-

$0.158

Verical

USA . 42,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.158

42,000

-

-

-

$0.158

Avnet

USA . 27,000 parts In-Stock

1+ parts

-

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27,000

-

-

-

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Future Electronics

Canada . 18,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.210

18,000

-

-

-

$0.210

Chip1Stop

Japan . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.203

6,000

-

-

-

$0.203

EBV Elektronik

Germany . 3,000 parts In-Stock

1+ parts

-

100+ parts

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3,000

-

-

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RS (Exports)

UK . 1,145 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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10k+ parts

$0.235

1,145

-

-

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$0.235

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Nova Conductors

Japan . 95 parts In-Stock

1+ parts

$0.426

100+ parts

-

1k+ parts

-

10k+ parts

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95

$0.426

-

-

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Digiode

USA . 4,966 parts In-Stock

1+ parts

$0.473

100+ parts

-

1k+ parts

-

10k+ parts

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4,966

$0.473

-

-

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TME

Poland . 2,603 parts In-Stock

1+ parts

$0.670

100+ parts

$0.364

1k+ parts

$0.297

10k+ parts

$0.278

2,603

$0.670

$0.364

$0.297

$0.278

Maritex

Poland . 2,999 parts In-Stock

1+ parts

$1.437

100+ parts

$0.328

1k+ parts

$0.217

10k+ parts

-

2,999

$1.437

$0.328

$0.217

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Ozdisan Elektronik

Türkiye . 4,806 parts In-Stock

1+ parts

$59.370

100+ parts

-

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-

10k+ parts

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4,806

$59.370

-

-

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IBS Electronics

USA . 147,000 parts In-Stock

1+ parts

-

100+ parts

-

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10k+ parts

$0.241

147,000

-

-

-

$0.241

Component Sense

UK . 66,566 parts In-Stock

1+ parts

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66,566

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Chip Stock

USA . 33,420 parts In-Stock

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33,420

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Vyrian

USA . 30,568 parts In-Stock

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30,568

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Cyclops Electronics Ltd

UK . 6,000 parts In-Stock

1+ parts

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6,000

-

-

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Rutronik

Germany . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.170

6,000

-

-

-

$0.170

Velocity Electronics

USA . 3,000 parts In-Stock

1+ parts

-

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3,000

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-

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Micros

Poland . 3,000 parts In-Stock

1+ parts

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100+ parts

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1k+ parts

$0.222

10k+ parts

-

3,000

-

-

$0.222

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Partservice

France . 2,935 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.217

10k+ parts

$0.217

2,935

-

-

$0.217

$0.217

Micros sp.j. W. Kędra i J. Lic

Poland . 2,933 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.233

10k+ parts

$0.233

2,933

-

-

$0.233

$0.233

ACDS - Activité Composants Distribution Service

France . 1,893 parts In-Stock

1+ parts

-

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1,893

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Anansix

USA . 834 parts In-Stock

1+ parts

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834

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LWI Electronics Inc

India . 185 parts In-Stock

1+ parts

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185

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Semtec, LLC

USA . 12 parts In-Stock

1+ parts

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12

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Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Ampacity Inc.

Singapore . 32,812 parts In-Stock

1+ parts

$0.173

100+ parts

-

1k+ parts

-

10k+ parts

-

32,812

$0.173

-

-

-

Semicontronic

India . 30,590 parts In-Stock

1+ parts

$0.173

100+ parts

$0.169

1k+ parts

$0.168

10k+ parts

-

30,590

$0.173

$0.169

$0.168

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Argo Parts USA

USA . 4,519 parts In-Stock

1+ parts

$0.426

100+ parts

-

1k+ parts

-

10k+ parts

$0.413

4,519

$0.426

-

-

$0.413

Netroflash

USA . 100 parts In-Stock

1+ parts

$0.426

100+ parts

-

1k+ parts

$0.405

10k+ parts

$0.396

100

$0.426

-

$0.405

$0.396

Corphita

USA . 1,583 parts In-Stock

1+ parts

$0.448

100+ parts

-

1k+ parts

-

10k+ parts

-

1,583

$0.448

-

-

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Continental Prestige Electronics

USA . 18,781 parts In-Stock

1+ parts

$0.597

100+ parts

$0.390

1k+ parts

$0.272

10k+ parts

$0.233

18,781

$0.597

$0.390

$0.272

$0.233

Vigor

Singapore . 10,517 parts In-Stock

1+ parts

$0.640

100+ parts

-

1k+ parts

-

10k+ parts

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10,517

$0.640

-

-

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Component Stockers USA

USA . 80,007 parts In-Stock

1+ parts

$0.810

100+ parts

$0.570

1k+ parts

$0.370

10k+ parts

$0.230

80,007

$0.810

$0.570

$0.370

$0.230

Corohmni

South Africa . 502 parts In-Stock

1+ parts

$2.626

100+ parts

-

1k+ parts

-

10k+ parts

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502

$2.626

-

-

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Aztec Data Supply Inc.

USA . 271 parts In-Stock

1+ parts

$3.080

100+ parts

-

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-

10k+ parts

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271

$3.080

-

-

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IDEA Electronic Components Group

UK . 1,503 parts In-Stock

1+ parts

$3.544

100+ parts

-

1k+ parts

$3.189

10k+ parts

-

1,503

$3.544

-

$3.189

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Modulus Dynamics

Lithuania . 4,461 parts In-Stock

1+ parts

$6.287

100+ parts

$6.287

1k+ parts

$6.287

10k+ parts

-

4,461

$6.287

$6.287

$6.287

-

Advanced Electronics

New Zealand . 500 parts In-Stock

1+ parts

$6.290

100+ parts

$5.976

1k+ parts

$5.976

10k+ parts

-

500

$6.290

$5.976

$5.976

-

MKK Technologies

India . 2,295 parts In-Stock

1+ parts

$6.664

100+ parts

-

1k+ parts

-

10k+ parts

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2,295

$6.664

-

-

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DigiPath Technology Company

USA . 2,295 parts In-Stock

1+ parts

$6.664

100+ parts

-

1k+ parts

-

10k+ parts

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2,295

$6.664

-

-

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Perfect Parts

USA . 1,984,196 parts In-Stock

1+ parts

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1,984,196

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Authorized Procurement Solutions

USA . 357,000 parts In-Stock

1+ parts

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357,000

-

-

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GreenTree Electronics

Israel . 258,000 parts In-Stock

1+ parts

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100+ parts

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258,000

-

-

-

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Eastek

USA . 225,000 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

$0.240

10k+ parts

-

225,000

-

-

$0.240

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Kepictronics

USA . 17,600 parts In-Stock

1+ parts

-

100+ parts

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17,600

-

-

-

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Lixinc

USA . 15,506 parts In-Stock

1+ parts

-

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15,506

-

-

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Infinite Electronics LLP (Excess)

. 12,003 parts In-Stock

1+ parts

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12,003

-

-

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A-Z Elektronik GmbH

Germany . 11,470 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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11,470

-

-

-

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Futuretech Components

Singapore . 11,000 parts In-Stock

1+ parts

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100+ parts

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11,000

-

-

-

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Epart123

USA . 6,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

$0.280

10k+ parts

$0.280

6,000

-

-

$0.280

$0.280

Cyclops Electronics Ltd (Excess)

UK . 1,893 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,893

-

-

-

-

Glotronic Ltd.

UK . 1,514 parts In-Stock

1+ parts

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100+ parts

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1,514

-

-

-

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Alle Elektronik GmbH

Germany . 1,200 parts In-Stock

1+ parts

-

100+ parts

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10k+ parts

-

1,200

-

-

-

-

Parana Technologies

USA . 1,199 parts In-Stock

1+ parts

-

100+ parts

$4.237

1k+ parts

-

10k+ parts

-

1,199

-

$4.237

-

-

iodParts Technologies Inc.

India . 658 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

658

-

-

-

-

Overview

Unleash the power of reliable voltage regulation with the LD3985M33R by STMicroelectronics. As a leader in semiconductor manufacturing, STMicroelectronics delivers top-notch quality and performance. This fixed positive single output LDO regulator is perfect for a wide range of applications, ensuring stable voltage output with minimal dropout. Customers can trust in the value and benefits of this product, providing peace of mind and superior performance in their electronic designs. Trust STMicroelectronics to deliver excellence with the LD3985M33R.

Feature Benefit Bullets

Package Body Material:

PLASTIC/EPOXY - This material provides durability and protection for the regulator, making it a reliable choice.

Maximum Dropout Voltage-1:

0.1 V - With a low dropout voltage, this regulator is efficient and minimizes power loss.

Surface Mount:

YES - Being surface mountable makes installation easier and more convenient in various applications.

Operating Temperature (TJ-Max):

125 °C - With a high maximum operating temperature, this regulator can function effectively in a wide range of environments.

Technology:

BICMOS - The use of BICMOS technology ensures high performance and efficiency of the regulator.

Package Shape:

RECTANGULAR - The rectangular shape allows for easy integration into different circuit designs.

Terminal Form:

GULL WING - The gull-wing terminals provide secure connections and ease of soldering during assembly.

Operating Temperature (TJ-Min):

40 °C - With a low minimum operating temperature, this regulator can operate in cold environments without issues.

Packing Method:

TR - The tape and reel packing method simplifies storage and transportation of the regulators.

Minimum Output Voltage-1:

3.201 V - This minimum output voltage ensures a stable and reliable power supply for connected devices.

Maximum Voltage Tolerance:

3% - The tight voltage tolerance ensures consistent and accurate output voltage regulation.

Nominal Output Voltage-1:

3.3 V - The nominal output voltage of 3.3 V is ideal for many electronic devices and applications.

No. of Terminals:

5 - The five terminals provide flexibility and options for input and output connections.

Package Style (Meter):

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH - This package style offers a compact size for space-constrained applications.

Adjustability:

FIXED - The fixed output voltage setting simplifies design and eliminates the need for adjustments.

Terminal Pitch:

0.95 mm - The close terminal pitch allows for a compact design and efficient use of board space.

Maximum Line Regulation:

0.00726% - The low line regulation ensures stable performance under varying input voltage conditions.

Regulator Type:

FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR - This type of regulator provides reliable and precise voltage regulation for specific applications.

Terminal Finish:

MATTE TIN - The matte tin finish provides corrosion resistance and excellent solderability for long-lasting connections.

Terminal Position:

DUAL - The dual terminal position offers flexibility in circuit board layout and connection options.

Maximum Output Voltage-1:

3.399 V - The maximum output voltage ensures compatibility with a wide range of devices requiring higher voltages.

Maximum Seated Height:

1.45 mm - The low seated height allows for compact and space-efficient designs.

Width:

1.625 mm - The narrow width makes this regulator suitable for applications with limited board space.

Maximum Load Regulation:

0.0245% - The low load regulation ensures stable output voltage under changing load conditions.

Minimum Input Voltage:

2.5 V - The low minimum input voltage requirement allows for compatibility with a wide range of power sources.

Maximum Output Current-1:

0.15 A - With a maximum output current of 0.15 A, this regulator can power various devices and circuits.

Maximum Time At Peak Reflow Temperature (s):

30 - The regulator can withstand high reflow temperatures for up to 30 seconds during assembly.

Peak Reflow Temperature °C:

260 - The high peak reflow temperature tolerance ensures the regulator's reliability during soldering processes.

Nominal Dropout Voltage-1:

0.06 V - The low dropout voltage minimizes power loss and improves overall efficiency.

Length:

2.9 mm - The compact length of the regulator makes it suitable for tight spaces and small electronic devices.

Maximum Input Voltage:

6 V - With a maximum input voltage of 6 V, this regulator can handle a wide range of power sources.

Maximum Input Voltage Absolute:

6 V - The absolute maximum input voltage ensures the regulator's protection against potential voltage surges.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LD3985M33R attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.1 V

Nominal Dropout Voltage-1:

.06 V

Maximum Input Voltage Absolute:

6 V

Maximum Input Voltage:

6 V

Minimum Input Voltage:

2.5 V

JESD-30 Code:

R-PDSO-G5

JESD-609 Code:

e3

Length:

2.9 mm

Maximum Line Regulation:

.00726 %

Maximum Load Regulation:

.0245 %

Moisture Sensitivity Level (MSL):

1

No. of Functions:

1

No. of Outputs:

1

No. of Terminals:

5

Operating Temperature (TJ-Max):

125 Cel

Operating Temperature (TJ-Min):

-40 Cel

Maximum Output Current-1:

.15 A

Maximum Output Voltage-1:

3.399 V

Minimum Output Voltage-1:

3.201 V

Nominal Output Voltage-1:

3.3 V

Package Body Material:

PLASTIC/EPOXY

Package Code:

Package Equivalence Code:

TSOP5/6,.11,37

Package Shape:

RECTANGULAR

Package Style (Meter):

SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

Packing Method:

TR

Peak Reflow Temperature (C):

260

Qualification Status:

Not Qualified

Maximum Seated Height:

1.45 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Technology:

BICMOS

Terminal Finish:

MATTE TIN

Terminal Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

30

Maximum Voltage Tolerance:

3 %

Width:

1.625 mm

Trade Compliance

LD3985M33R Regulators trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

PCN

Manufacturer Highlights

STMicroelectronics

STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.

Management team

President, CEO

Jean-Marc Chery

President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience

Lorenzo Grandi

President, Sales & Marketing

Jerome Roux

Manufacturer fab locations 33

Fab name Location Fab Initiation Wafer Capacity

Castelletto

Fabrication

Fab Initiation

1968

Italy

Castelletto

Wafer Capacity

1968

SGFAB AMK 6

Fabrication

Fab Initiation

2000

Singapore

Singapore

Wafer Capacity

29,000

2000

29,000

AG200

Fabrication

Fab Initiation

2000

Italy

Agrate Brianza

Wafer Capacity

14,000

2000

14,000

RST 8

Fabrication

Fab Initiation

2000

France

Rousset

Wafer Capacity

35,000

2000

35,000

Crolles 1

Fabrication

Fab Initiation

1993

France

Crolles

Wafer Capacity

30,000

1993

30,000

Crolles 2-ext. mod 5

Fabrication

Fab Initiation

-

France

Crolles

Wafer Capacity

-

Crolles 2-ext. mod 2

Fabrication

Fab Initiation

2022

France

Crolles

Wafer Capacity

2022

Crolles 2-ext. mod 3

Fabrication

Fab Initiation

2023

France

Crolles

Wafer Capacity

2023

Crolles 2

Fabrication

Fab Initiation

2004

France

Crolles

Wafer Capacity

28,000

2004

28,000

AG200

Fabrication

Fab Initiation

1985

Italy

Agrate Brianza

Wafer Capacity

14,000

1985

14,000

SiC Fab

Fabrication

Fab Initiation

2006

Sweden

Norrköping

Wafer Capacity

10,000

2006

10,000

Fab 3

Fabrication

Fab Initiation

2005

France

Tours

Wafer Capacity

2,000

2005

2,000

Fab 1 & Fab 2

Fabrication

Fab Initiation

1978

France

Tours

Wafer Capacity

55,000

1978

55,000

Fab 2

Fabrication

Fab Initiation

1997

Italy

Catania

Wafer Capacity

30,000

1997

30,000

SGFAB-AMK 6E

Fabrication

Fab Initiation

2003

Singapore

Singapore

Wafer Capacity

145,000

2003

145,000

SGFAB-AMJ 9

Fabrication

Fab Initiation

1984

Singapore

Singapore

Wafer Capacity

152,000

1984

152,000

AG300 (R3)

Fabrication

Fab Initiation

2022

Italy

Agrate Brianza

Wafer Capacity

2022

Fab 2

Fabrication

Fab Initiation

1980

Italy

Catania

Wafer Capacity

25,000

1980

25,000

AG200

Fabrication

Fab Initiation

1987

Italy

Agrate Brianza

Wafer Capacity

34,000

1987

34,000

AG300

Fabrication

Fab Initiation

2024

Italy

Agrate Brianza

Wafer Capacity

2024

Crolles 2-ext. mod 1

Fabrication

Fab Initiation

2020

France

Crolles

Wafer Capacity

2,000

2020

2,000

Fab 1 6-inch fab

Fabrication

Fab Initiation

2013

Italy

Catania

Wafer Capacity

11,000

2013

11,000

SiC 6-inch line

Fabrication

Fab Initiation

2021

Singapore

Singapore

Wafer Capacity

2021

Fab 1 6-inch fab

Fabrication

Fab Initiation

2020

Italy

Catania

Wafer Capacity

2,500

2020

2,500

200mm GaN

Fabrication

Fab Initiation

2021

France

Tours

Wafer Capacity

2,500

2021

2,500

Fab 2

Fabrication

Fab Initiation

2018

Italy

Catania

Wafer Capacity

14,000

2018

14,000

SGFAB-AMK 8

Fabrication

Fab Initiation

2001

Singapore

Singapore

Wafer Capacity

30,000

2001

30,000

Crolles 2- JV Fab

Fabrication

Fab Initiation

2024

France

Crolles

Wafer Capacity

2024

SGFAB-AMK 6

Fabrication

Fab Initiation

2016

Singapore

Singapore

Wafer Capacity

38,125

2016

38,125

SGFAB-AMK 2E

Fabrication

Fab Initiation

2010

Singapore

Singapore

Wafer Capacity

20,000

2010

20,000

Silicon Carbide A.B.

Fabrication

Fab Initiation

2021

Sweden

Norrköping

Wafer Capacity

2021

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