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UC3844AD1

STMicroelectronics

UC3844AD1 by STMicroelectronics

UC3844AD1 by STMicroelectronics is a current-mode switching controller in a compact 8-terminal SO package. It operates with a nominal input voltage of 15V, max output current of 1A, and supports switching frequencies up to 500kHz. Ideal for power supply applications, it ensures efficient energy management.

Median Price

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Lifecycle Status

Suppliers In-Stock

6

In-Stock Inventory

1k+

Distributors (In-Stock)

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

Vyrian

USA . 5,039 parts In-Stock

1+ parts

-

100+ parts

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5,039

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Specialty Parts & Electronic Components, Inc. (S.P.E.C.)

USA . 2,370 parts In-Stock

1+ parts

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2,370

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Anansix

USA . 1,692 parts In-Stock

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1,692

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Digiode

USA . 1,186 parts In-Stock

1+ parts

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1,186

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Semi Source

USA . 325 parts In-Stock

1+ parts

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325

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LWI Electronics Inc

India . 75 parts In-Stock

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75

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Distributors (Availability)

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

Microchip USA

USA . 381 parts In-Stock

1+ parts

$3.420

100+ parts

$3.420

1k+ parts

$3.420

10k+ parts

$3.420

381

$3.420

$3.420

$3.420

$3.420

IDEA Electronic Components Group

UK . 330 parts In-Stock

1+ parts

$16.911

100+ parts

-

1k+ parts

$15.220

10k+ parts

-

330

$16.911

-

$15.220

-

Advanced Electronics

New Zealand . 100 parts In-Stock

1+ parts

$19.563

100+ parts

$19.367

1k+ parts

$18.585

10k+ parts

-

100

$19.563

$19.367

$18.585

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AZTECH Wire

Italy . 176 parts In-Stock

1+ parts

$22.130

100+ parts

-

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176

$22.130

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MKK Technologies

India . 2,136 parts In-Stock

1+ parts

$31.801

100+ parts

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2,136

$31.801

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DigiPath Technology Company

USA . 2,136 parts In-Stock

1+ parts

$31.801

100+ parts

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2,136

$31.801

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QUARKTWIN TECHNOLOGY LTD

USA . 2,590 parts In-Stock

1+ parts

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2,590

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Vigor

Singapore . 2,500 parts In-Stock

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2,500

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Parana Technologies

USA . 2,136 parts In-Stock

1+ parts

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100+ parts

$20.220

1k+ parts

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2,136

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$20.220

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Corphita

USA . 836 parts In-Stock

1+ parts

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836

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Assy Fe

Spain . 13 parts In-Stock

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13

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Overview

Elevate your designs with the UC3844AD1 from STMicroelectronics, a trusted name in high-performance electronic solutions. This cutting-edge switching controller offers unmatched reliability and efficiency, perfect for a variety of applications ranging from power supply units to LED drivers. With its compact footprint and robust temperature range, it delivers exceptional performance while saving space and energy. Choose the UC3844AD1 for quality you can count on and innovation that drives your projects forward!

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The durable plastic/epoxy material ensures reliability and protection of the components, making it suitable for various environments.

Surface Mount: YES

Surface mount compatibility allows for compact designs and efficient manufacturing processes, saving space on PCBs.

Package Shape: RECTANGULAR

The rectangular shape provides an efficient layout for circuit design, facilitating easier component placement and routing.

No. of Terminals: 8

Having 8 terminals ensures versatile connectivity options for various circuit configurations.

Package Style (Meter): SMALL OUTLINE

The small outline package style is favorable for space-constrained applications, ideal for modern compact circuits.

Maximum Operating Temperature: 70 °C

Operating up to 70 °C indicates resilience in warmer environments, making it suitable for industrial applications.

Control Mode: CURRENT-MODE

Current-mode control enhances stability and response time of the regulator, improving overall performance.

Minimum Operating Temperature: 0 °C

A minimum operating temperature of 0 °C allows for deployment in a wide range of conditions, enhancing versatility.

Terminal Finish: TIN LEAD

Tin-lead terminal finish ensures reliable soldering performance, improving overall connection integrity in assemblies.

Terminal Position: DUAL

Dual terminal positioning aids in easier layout designs, optimizing space and improving circuit designs.

Maximum Seated Height: 1.75 mm

A low seated height contributes to a low profile design, beneficial in slim electronic devices.

Width: 3.9 mm

The compact width allows for high-density placement on the PCB, maximizing the use of available space.

Other IC type: SWITCHING CONTROLLER

As a switching controller, it is efficient in power management, reducing wasted energy in power supply applications.

Nominal Input Voltage: 15 V

A nominal input voltage of 15V aligns well with standard operating conditions, simplifying system design.

Length: 4.9 mm

The compact length contributes to space-saving designs, ideal for modern electronic applications.

Temperature Grade: COMMERCIAL

The commercial temperature grade indicates suitability for a wide range of standard applications without extreme conditions.

Maximum Switching Frequency: 500 kHz

A high switching frequency allows for more efficient power conversion, enhancing the overall performance of the circuit.

Maximum Output Current: 1 A

An output current of 1 A provides sufficient power for many applications, supporting a variety of system designs.

Technology: BIPOLAR

Bipolar technology often provides better linearity and stability in performance, enhancing reliability in variable loads.

Terminal Form: GULL WING

Gull wing terminal form ensures excellent solder joint reliability, which is crucial for long-lasting electronic performance.

Control Technique: PULSE WIDTH MODULATION

Pulse Width Modulation is an efficient control technique for precise regulation and improved power efficiency of power supplies.

Switcher Config: SINGLE

A single switcher configuration simplifies the design and minimizes component count, reducing costs and complexity.

Terminal Pitch: 1.27 mm

A terminal pitch of 1.27 mm is standard for many PCB designs, enhancing compatibility with existing layouts.

Minimum Input Voltage: 11.5 V

The capability to operate down to 11.5 V expands usage scenarios and enhances system reliability during variable input conditions.

Maximum Input Voltage: 30 V

Supporting up to 30 V input allows flexibility in system designs, accommodating a wide range of applications.

Technical Specifications

Switching Regulators & Controllers UC3844AD1 attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics

Specs

Other IC type:

Control Mode:

CURRENT-MODE

Control Technique:

PULSE WIDTH MODULATION

Maximum Input Voltage:

30 V

Minimum Input Voltage:

11.5 V

Nominal Input Voltage:

15 V

JESD-30 Code:

R-PDSO-G8

JESD-609 Code:

e0

Length:

4.9 mm

No. of Functions:

1

No. of Terminals:

8

Maximum Operating Temperature:

70 Cel

Minimum Operating Temperature:

0 Cel

Maximum Output Current:

1 A

Package Body Material:

PLASTIC/EPOXY

Package Code:

SOP

Package Equivalence Code:

SOP8,.25

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Qualification:

Not Qualified

Maximum Seated Height:

1.75 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

YES

Switcher Config:

SINGLE

Maximum Switching Frequency:

500 kHz

Technology:

BIPOLAR

Temperature Grade:

Terminal Finish:

TIN LEAD

Terminal Form:

GULL WING

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Width (mm):

3.9 mm

Trade Compliance

UC3844AD1 Other Function Semiconductors 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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