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LK112SM55TR

STMicroelectronics

LK112SM55TR by STMicroelectronics

LK112SM55TR by STMicroelectronics is a fixed positive LDO regulator with a nominal output voltage of 5.5 V and a max output current of 0.2 A. It operates efficiently in temperatures from -40 °C to 125°C, featuring a low dropout voltage of just 0.35 V. Ideal for compact applications, it comes in a small outline package with gull-wing terminals for easy surface mounting.

Median Price

$8.505

Lifecycle Status

Suppliers In-Stock

4

In-Stock Inventory

1k+

Distributors (In-Stock)

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

Nova Conductors

Japan . 550 parts In-Stock

1+ parts

$8.505

100+ parts

-

1k+ parts

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10k+ parts

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550

$8.505

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Vyrian

USA . 3,903 parts In-Stock

1+ parts

-

100+ parts

-

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10k+ parts

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3,903

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Digiode

USA . 790 parts In-Stock

1+ parts

-

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790

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Anansix

USA . 610 parts In-Stock

1+ parts

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610

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-

Distributors (Availability)

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

IDEA Electronic Components Group

UK . 52 parts In-Stock

1+ parts

$6.952

100+ parts

-

1k+ parts

$6.256

10k+ parts

-

52

$6.952

-

$6.256

-

Microchip USA

USA . 184 parts In-Stock

1+ parts

$8.034

100+ parts

-

1k+ parts

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10k+ parts

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184

$8.034

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-

-

MKK Technologies

India . 1,886 parts In-Stock

1+ parts

$13.072

100+ parts

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10k+ parts

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1,886

$13.072

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DigiPath Technology Company

USA . 1,886 parts In-Stock

1+ parts

$13.072

100+ parts

-

1k+ parts

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10k+ parts

-

1,886

$13.072

-

-

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AZTECH Wire

Italy . 1,205 parts In-Stock

1+ parts

$19.630

100+ parts

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1,205

$19.630

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Vigor

Singapore . 4,986 parts In-Stock

1+ parts

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4,986

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Corphita

USA . 4,801 parts In-Stock

1+ parts

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4,801

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Parana Technologies

USA . 1,803 parts In-Stock

1+ parts

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100+ parts

$8.312

1k+ parts

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10k+ parts

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1,803

-

$8.312

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Overview

Elevate your designs with the LK112SM55TR from STMicroelectronics, a trusted leader in innovative semiconductor solutions. This high-performance fixed positive LDO regulator excels in efficiency and reliability, offering stable voltage regulation for a range of applications—from consumer electronics to industrial systems. With its compact package and exceptional thermal performance, this product ensures longevity and optimal operation, delivering unmatched value and peace of mind for engineers and designers alike.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy in the body material ensures durability and reliability, making it suitable for various applications.

Maximum Dropout Voltage: 1.5 V

A relatively low maximum dropout voltage allows for efficient operation, minimizing power loss and enhancing performance.

Surface Mount: YES

Surface mount technology enables easier integration into modern PCBs, saving space and improving assembly efficiency.

Operating Temperature (TJ-Max): 125 °C

The high maximum operating temperature indicates robustness and thermal resilience, suitable for demanding applications.

Technology: BIPOLAR

Bipolar technology typically provides higher output current capability and better noise performance, making it a reliable choice.

Package Shape: RECTANGULAR

The rectangular shape is conducive to efficient space utilization on the circuit board.

Terminal Form: GULL WING

Gull wing terminals facilitate easier soldering and ensure good electrical contact.

Operating Temperature (TJ-Min): -40 °C

The wide operating temperature range ensures reliable performance in extreme environmental conditions.

Packing Method: TR

Tape and reel packing allows for automated assembly processes, increasing efficiency in manufacturing.

Minimum Output Voltage: 5.39 V

This minimum output allows flexibility in applications, ensuring a steady voltage supply under varying load conditions.

Maximum Voltage Tolerance: 2 %

The low voltage tolerance ensures precise voltage regulation, enhancing overall device performance.

Nominal Output Voltage: 5.5 V

A stable nominal output voltage is suitable for a wide range of electronic devices, ensuring compatibility and reliability.

No. of Terminals: 5

Having five terminals allows for versatile connections and integration options in circuit designs.

Package Style (Meter): SMALL OUTLINE, LOW PROFILE, SHRINK PITCH

The small outline and low-profile design save space on the PCB, making it ideal for compact devices.

Adjustability: FIXED

A fixed output voltage simplifies the design process and ensures consistent performance across various applications.

Terminal Pitch: 0.95 mm

The finer terminal pitch can accommodate higher density layouts, allowing for more components in a smaller area.

Maximum Line Regulation: 0.02 %

Excellent line regulation guarantees minimal output voltage variations regardless of input voltage fluctuations.

Regulator Type: FIXED POSITIVE SINGLE OUTPUT LDO REGULATOR

As a fixed positive LDO, this regulator delivers stable outputs ideal for sensitive loads.

Terminal Finish: TIN

Tin finish provides good solderability and corrosion resistance, enhancing reliability over time.

Terminal Position: DUAL

Dual terminal positioning allows for flexible design layout options, facilitating easier PCB routing.

Maximum Output Voltage: 5.61 V

This maximum output voltage capability ensures it can handle various application requirements effectively.

Maximum Seated Height: 1.45 mm

The low seated height contributes to the low-profile design, accommodating designs with height restrictions.

Width: 1.625 mm

A compact width allows for integration into space-constrained environments.

Maximum Load Regulation: 0.09 %

Excellent load regulation ensures output stability, essential for maintaining performance across varying loads.

Minimum Input Voltage: 6.5 V

A minimum input voltage of 6.5 V ensures compatibility with typical power supply voltages in various applications.

Maximum Output Current: 0.2 A

Supporting an output current of 0.2 A makes this regulator suitable for many standard consumer electronics.

Nominal Dropout Voltage: 0.35 V

A low nominal dropout voltage enhances efficiency, especially in battery-powered applications.

Length: 2.9 mm

A short length helps save space, beneficial for compact electronic designs.

Maximum Input Voltage: 11.5 V

Capable of handling an input voltage up to 11.5 V, this regulator is versatile in accommodating various power sources.

Maximum Input Voltage Absolute: 16 V

An absolute maximum input voltage of 16 V ensures that the regulator can withstand voltage transients without damage.

Technical Specifications

Fixed Regulators - Positive Single Output LDO LK112SM55TR attributes and parameters. Explore more Fixed Regulators - Positive Single Output LDO devices from STMicroelectronics

Specs

Adjustability:

FIXED

Maximum Dropout Voltage-1:

.5 V

Nominal Dropout Voltage-1:

.35 V

Maximum Input Voltage Absolute:

Maximum Input Voltage:

11.5 V

Minimum Input Voltage:

6.5 V

JESD-30 Code:

R-PDSO-G5

JESD-609 Code:

e3

Length:

2.9 mm

Maximum Line Regulation:

.02 %

Maximum Load Regulation:

.09 %

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:

.2 A

Maximum Output Voltage-1:

5.61 V

Minimum Output Voltage-1:

5.39 V

Nominal Output Voltage-1:

5.5 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

Qualification Status:

Not Qualified

Maximum Seated Height:

1.45 mm

Sub-Category:

Other Regulators

Surface Mount:

YES

Technology:

BIPOLAR

Terminal Finish:

TIN

Terminal Form:

Terminal Pitch:

.95 mm

Terminal Position:

DUAL

Maximum Voltage Tolerance:

2 %

Width:

1.625 mm

Trade Compliance

LK112SM55TR Regulators trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

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

SiC wafer/EPI Fab

Fabrication

Fab Initiation

2023

Italy

Catania

Wafer Capacity

2023

SiC Device Fab

Fabrication

Fab Initiation

2025

Italy

Catania

Wafer Capacity

2025

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