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UC3843BD1

Onsemi

UC3843BD1 by Onsemi

UC3843BD1 by Onsemi is a current-mode switching controller with max output current of 1A and max switching frequency of 500kHz. It operates b/w 0-70°C, suitable for small outline applications in commercial grade environments.

Median Price

$0.832

Lifecycle Status

Suppliers In-Stock

35

In-Stock Inventory

1k+

Distributors (Authorized)

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

Arrow

USA . 12,532 parts In-Stock

1+ parts

$0.601

100+ parts

-

1k+ parts

-

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12,532

$0.601

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Adafruit Industries

USA . 600 parts In-Stock

1+ parts

$0.609

100+ parts

$0.578

1k+ parts

$0.578

10k+ parts

-

600

$0.609

$0.578

$0.578

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Farnell

UK . 1,404 parts In-Stock

1+ parts

$1.050

100+ parts

$0.612

1k+ parts

$0.543

10k+ parts

$0.541

1,404

$1.050

$0.612

$0.543

$0.541

DigiKey

USA . 10,898 parts In-Stock

1+ parts

$1.450

100+ parts

$0.854

1k+ parts

$0.745

10k+ parts

$0.702

10,898

$1.450

$0.854

$0.745

$0.702

Newark

USA . 1,393 parts In-Stock

1+ parts

$1.570

100+ parts

$0.896

1k+ parts

$0.674

10k+ parts

$0.531

1,393

$1.570

$0.896

$0.674

$0.531

Mouser Electronics

USA . 1,815 parts In-Stock

1+ parts

$1.700

100+ parts

$1.010

1k+ parts

$0.880

10k+ parts

$0.795

1,815

$1.700

$1.010

$0.880

$0.795

Element14

Singapore . 1,464 parts In-Stock

1+ parts

$1.800

100+ parts

$0.977

1k+ parts

$0.929

10k+ parts

$0.909

1,464

$1.800

$0.977

$0.929

$0.909

Avnet

USA . 31,900 parts In-Stock

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31,900

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Verical

USA . 8,000 parts In-Stock

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$0.601

8,000

-

-

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$0.601

EBV Elektronik

Germany . 700 parts In-Stock

1+ parts

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700

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Rochester

USA . 308 parts In-Stock

1+ parts

-

100+ parts

$0.614

1k+ parts

$0.510

10k+ parts

$0.455

308

-

$0.614

$0.510

$0.455

Chip1Stop

Japan . 148 parts In-Stock

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$0.431

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148

-

$0.431

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Distributors (In-Stock)

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Nova Conductors

Japan . 29 parts In-Stock

1+ parts

$0.470

100+ parts

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29

$0.470

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Digiode

USA . 2,031 parts In-Stock

1+ parts

$0.479

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2,031

$0.479

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TME

Poland . 1,927 parts In-Stock

1+ parts

$0.920

100+ parts

$0.584

1k+ parts

$0.453

10k+ parts

$0.363

1,927

$0.920

$0.584

$0.453

$0.363

Chip Stock

USA . 94,883 parts In-Stock

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IBS Electronics

USA . 14,700 parts In-Stock

1+ parts

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100+ parts

$0.337

1k+ parts

$0.330

10k+ parts

$0.316

14,700

-

$0.337

$0.330

$0.316

Vyrian

USA . 5,833 parts In-Stock

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5,833

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Semi Source

USA . 3,491 parts In-Stock

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3,491

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R&J Components

USA . 2,194 parts In-Stock

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2,194

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Sunrise Surplus Inc.

USA . 2,142 parts In-Stock

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2,142

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Inventory MP

USA . 2,084 parts In-Stock

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2,084

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Bristol Electronics

USA . 2,084 parts In-Stock

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2,084

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Anansix

USA . 1,204 parts In-Stock

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Flex Direct, LLC

USA . 785 parts In-Stock

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785

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ComSIT Distribution GmbH

Germany . 542 parts In-Stock

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542

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Electronic Expediters

USA . 307 parts In-Stock

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307

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Ashlea Components Ltd

UK . 253 parts In-Stock

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253

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DF Sales Co.

USA . 172 parts In-Stock

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172

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DF Sales Co.

USA . 172 parts In-Stock

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172

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Inland Empire Components Inc.

USA . 129 parts In-Stock

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129

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ACDS - Activité Composants Distribution Service

France . 100 parts In-Stock

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100

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Huijzer Components

Netherlands . 90 parts In-Stock

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90

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PC Components Company LLC

USA . 45 parts In-Stock

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45

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Zilex Electronics Inc.

Canada . 17 parts In-Stock

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17

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Distributors (Availability)

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

Ampacity Inc.

Singapore . 6,014 parts In-Stock

1+ parts

$0.174

100+ parts

-

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6,014

$0.174

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Argo Parts USA

USA . 3,372 parts In-Stock

1+ parts

$0.445

100+ parts

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1k+ parts

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10k+ parts

$0.432

3,372

$0.445

-

-

$0.432

Corphita

USA . 1,684 parts In-Stock

1+ parts

$0.454

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1,684

$0.454

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Bastille Electronics

Australia . 215 parts In-Stock

1+ parts

$0.470

100+ parts

$0.446

1k+ parts

$0.424

10k+ parts

$0.418

215

$0.470

$0.446

$0.424

$0.418

Corohmni

South Africa . 874 parts In-Stock

1+ parts

$0.591

100+ parts

-

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874

$0.591

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Advanced Electronics

New Zealand . 600 parts In-Stock

1+ parts

$0.609

100+ parts

$0.578

1k+ parts

$0.578

10k+ parts

-

600

$0.609

$0.578

$0.578

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Semicontronic

India . 6,416 parts In-Stock

1+ parts

$0.630

100+ parts

$0.614

1k+ parts

$0.611

10k+ parts

-

6,416

$0.630

$0.614

$0.611

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Vigor

Singapore . 2,297 parts In-Stock

1+ parts

$0.830

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2,297

$0.830

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Continental Prestige Electronics

USA . 2,425 parts In-Stock

1+ parts

$0.971

100+ parts

$0.553

1k+ parts

$0.356

10k+ parts

$0.340

2,425

$0.971

$0.553

$0.356

$0.340

Aztec Data Supply Inc.

USA . 4,262 parts In-Stock

1+ parts

$4.374

100+ parts

-

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4,262

$4.374

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IDEA Electronic Components Group

UK . 1,452 parts In-Stock

1+ parts

$16.656

100+ parts

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1k+ parts

$14.990

10k+ parts

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1,452

$16.656

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$14.990

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MKK Technologies

India . 1,502 parts In-Stock

1+ parts

$31.320

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1,502

$31.320

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DigiPath Technology Company

USA . 1,502 parts In-Stock

1+ parts

$31.320

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1,502

$31.320

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Authorized Procurement Solutions

USA . 43,588 parts In-Stock

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43,588

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Perfect Parts

USA . 41,440 parts In-Stock

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41,440

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GreenTree Electronics

Israel . 39,688 parts In-Stock

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39,688

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Eastek

USA . 35,788 parts In-Stock

1+ parts

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$0.314

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35,788

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$0.314

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QUARKTWIN TECHNOLOGY LTD

USA . 26,191 parts In-Stock

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26,191

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RC Electronics

USA . 20,000 parts In-Stock

1+ parts

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100+ parts

$0.580

1k+ parts

$0.550

10k+ parts

$0.530

20,000

-

$0.580

$0.550

$0.530

Lixinc

USA . 12,079 parts In-Stock

1+ parts

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12,079

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Microchip USA

USA . 4,122 parts In-Stock

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4,122

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Kulean Microsystems

USA . 4,052 parts In-Stock

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4,052

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Problanco Electronics

Mexico . 2,300 parts In-Stock

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2,300

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SupplyDigital Components

Austria . 1,601 parts In-Stock

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1,601

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TANS Electronics

Latvia . 1,427 parts In-Stock

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1,427

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Infinite Electronics LLP (Excess)

. 1,005 parts In-Stock

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1,005

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Parana Technologies

USA . 819 parts In-Stock

1+ parts

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100+ parts

$19.914

1k+ parts

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819

-

$19.914

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A-Z Elektronik GmbH

Germany . 750 parts In-Stock

1+ parts

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750

-

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UHIMA Technologies

Türkiye . 524 parts In-Stock

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524

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S.R.D Solutions

India . 500 parts In-Stock

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500

-

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Metaverse IC Inc.

Canada . 320 parts In-Stock

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320

-

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Computer Components Inc. - USA

USA . 171 parts In-Stock

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171

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Cyclops Electronics Ltd (Excess)

UK . 100 parts In-Stock

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100

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Glotronic Ltd.

UK . 80 parts In-Stock

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80

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Assy Fe

Spain . 46 parts In-Stock

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46

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Overview

Experience superior performance and reliability with the UC3843BD1 by Onsemi, a leading manufacturer in the field of Switching Regulators & Controllers. This versatile product offers unmatched efficiency and precision control, making it ideal for a wide range of applications. From power supplies to motor drives, this innovative controller ensures optimal performance and stability, giving you peace of mind knowing your equipment is in good hands. Trust Onsemi and elevate your projects with the UC3843BD1.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The use of plastic/epoxy material in the package body makes this product lightweight and durable, ideal for portable devices.

Surface Mount: YES

Being surface mountable makes this product easy to integrate onto circuit boards, saving space and simplifying assembly processes.

Package Shape: RECTANGULAR

The rectangular package shape allows for efficient utilization of PCB real estate, making it suitable for compact designs.

No. of Terminals: 8

With 8 terminals, this product offers versatility in connecting to external components, providing flexibility in circuit configurations.

Package Style (Meter): SMALL OUTLINE

The small outline package style enables a low-profile design, making it suitable for applications with space constraints.

Maximum Operating Temperature: 70 °C

With a maximum operating temperature of 70°C, this product can perform reliably in various environmental conditions.

Control Mode: CURRENT-MODE

The current-mode control technique offers improved transient response and stability, enhancing overall performance.

Minimum Operating Temperature: 0 °C

The minimum operating temperature of 0°C ensures the product can operate effectively even in colder environments.

Terminal Finish: TIN LEAD

The tin lead terminal finish provides good solderability and ensures reliable electrical connections.

Terminal Position: DUAL

The dual terminal position allows for convenient and secure connections, reducing the risk of shorts or disconnections.

Technical Specifications

Switching Regulators & Controllers UC3843BD1 attributes and parameters. Explore more Switching Regulators & Controllers devices from Onsemi

Specs

Other IC type:

Control Mode:

CURRENT-MODE

Control Technique:

PULSE WIDTH MODULATION

Maximum Input Voltage:

25 V

Minimum Input Voltage:

12 V

Nominal Input Voltage:

15 V

JESD-30 Code:

R-PDSO-G8

JESD-609 Code:

e0

Length:

4.9 mm

Moisture Sensitivity Level (MSL):

1

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

Peak Reflow Temperature (C):

235

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

UC3843BD1 Other Function Semiconductors trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

PCN

Manufacturer Highlights

Onsemi

Established in 1999, Onsemi is a leading global provider of power and image-sensing technologies. They are dedicated to building a better future for the automotive, industrial, cloud, medical, and IoT markets. Onsemi's core technologies include analog, digital, and mixed-signal products that offer innovative solutions for advanced automotive systems; highly reliable power management products for industrial applications; low-cost imaging solutions for medical equipment and consumer electronics; and robust communication architectures for the Internet of Things (IoT).

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Management team

President, CEO

Hassane El-Khoury

Executive VP, CFO, Treasurer

Thad Trent

Senior VP

Ross F. Jatou

Manufacturer fab locations 15

Fab name Location Fab Initiation Wafer Capacity

Aizu Fab

Fabrication

Fab Initiation

1995

Japan

Aizu Wakamatsu

Wafer Capacity

52,000

1995

52,000

Si/EPI Fab

Fabrication

Fab Initiation

2018

Czech Republic

Rožnov pod Radhoštěm

Wafer Capacity

10,000

2018

10,000

Expansion Phase 1 for SiC / EPI

Fabrication

Fab Initiation

2019

Czech Republic

Rožnov pod Radhoštěm

Wafer Capacity

14,500

2019

14,500

Expansion Phase 2 for SiC / EPI

Fabrication

Fab Initiation

2024

Czech Republic

Rožnov pod Radhoštěm

Wafer Capacity

2024

SiC Fab

Fabrication

Fab Initiation

2022

USA

Hudson

Wafer Capacity

2022

Bucheon

Fabrication

Fab Initiation

2013

South Korea

Bucheon

Wafer Capacity

61,000

2013

61,000

ISMF - Malaysia

Fabrication

Fab Initiation

1990

Malaysia

Seremban

Wafer Capacity

95,000

1990

95,000

Roznov Device Fab

Fabrication

Fab Initiation

1987

Czech Republic

Rožnov pod Radhoštěm

Wafer Capacity

80,000

1987

80,000

Fab 10

Fabrication

Fab Initiation

2002

USA

East Fishkill

Wafer Capacity

15,000

2002

15,000

Burlington

Fabrication

Fab Initiation

1986

Canada

Burlington

Wafer Capacity

1986

Gresham

Fabrication

Fab Initiation

1998

USA

Gresham

Wafer Capacity

45,000

1998

45,000

Bucheon 150mm

Fabrication

Fab Initiation

2000

South Korea

Bucheon

Wafer Capacity

50,000

2000

50,000

Rochester

Fabrication

Fab Initiation

1983

USA

Rochester

Wafer Capacity

10,000

1983

10,000

Nampa

Fabrication

Fab Initiation

1995

USA

Nampa

Wafer Capacity

1995

Pennsylvania

Fabrication

Fab Initiation

1997

USA

Mountain Top

Wafer Capacity

36,000

1997

36,000

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