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UC3845BN

Onsemi

UC3845BN by Onsemi

UC3845BN by Onsemi is a current-mode switching controller with max output current of 1A and max switching frequency of 275kHz. It operates b/w 0-70°C, suitable for commercial applications like power supplies and voltage regulators. Package style is in-line with 8 terminals and dimensions of 9.78mm x 7.62mm x 4.45mm (LxWxH).

Median Price

$0.818

Lifecycle Status

Suppliers In-Stock

36

In-Stock Inventory

1k+

Distributors (Authorized)

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

Farnell

UK . 3,561 parts In-Stock

1+ parts

$0.799

100+ parts

$0.463

1k+ parts

$0.400

10k+ parts

$0.352

3,561

$0.799

$0.463

$0.400

$0.352

DigiKey

USA . 1,374 parts In-Stock

1+ parts

$0.900

100+ parts

$0.513

1k+ parts

$0.442

10k+ parts

$0.414

1,374

$0.900

$0.513

$0.442

$0.414

Mouser Electronics

USA . 3,065 parts In-Stock

1+ parts

$1.050

100+ parts

$0.603

1k+ parts

$0.522

10k+ parts

$0.463

3,065

$1.050

$0.603

$0.522

$0.463

Element14

Singapore . 3,577 parts In-Stock

1+ parts

$1.300

100+ parts

$0.734

1k+ parts

$0.646

10k+ parts

$0.551

3,577

$1.300

$0.734

$0.646

$0.551

Adafruit Industries

USA . 1,000 parts In-Stock

1+ parts

$23.190

100+ parts

$22.031

1k+ parts

$22.031

10k+ parts

-

1,000

$23.190

$22.031

$22.031

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Avnet

USA . 11,200 parts In-Stock

1+ parts

-

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11,200

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Arrow

USA . 10,000 parts In-Stock

1+ parts

-

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10k+ parts

$0.371

10,000

-

-

-

$0.371

Verical

USA . 10,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

$0.371

10,000

-

-

-

$0.371

EBV Elektronik

Germany . 3,150 parts In-Stock

1+ parts

-

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3,150

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Distrelec

Netherlands . 170 parts In-Stock

1+ parts

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170

-

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Rochester

USA . 41 parts In-Stock

1+ parts

-

100+ parts

$0.225

1k+ parts

$0.186

10k+ parts

$0.166

41

-

$0.225

$0.186

$0.166

RS (Exports)

UK . 20 parts In-Stock

1+ parts

-

100+ parts

$0.818

1k+ parts

$0.700

10k+ parts

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20

-

$0.818

$0.700

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Chip1Stop

Japan . 3 parts In-Stock

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3

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Distributors (In-Stock)

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Digiode

USA . 1,263 parts In-Stock

1+ parts

$0.175

100+ parts

-

1k+ parts

-

10k+ parts

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1,263

$0.175

-

-

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Maritex

Poland . 1,987 parts In-Stock

1+ parts

$0.361

100+ parts

$0.228

1k+ parts

$0.189

10k+ parts

$0.172

1,987

$0.361

$0.228

$0.189

$0.172

Nova Conductors

Japan . 100 parts In-Stock

1+ parts

$0.492

100+ parts

-

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100

$0.492

-

-

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TME

Poland . 1,059 parts In-Stock

1+ parts

$0.690

100+ parts

$0.505

1k+ parts

$0.383

10k+ parts

$0.295

1,059

$0.690

$0.505

$0.383

$0.295

Ozdisan Elektronik

Türkiye . 53 parts In-Stock

1+ parts

$19.043

100+ parts

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53

$19.043

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Chip Stock

USA . 212,500 parts In-Stock

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Cyclops Electronics Ltd

UK . 6,000 parts In-Stock

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Vyrian

USA . 4,262 parts In-Stock

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J2 Sourcing AB

Sweden . 4,000 parts In-Stock

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Bristol Electronics

USA . 2,424 parts In-Stock

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Atlantic Semiconductor

USA . 2,424 parts In-Stock

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2,424

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ABC Electronics Ltd.

UK . 2,000 parts In-Stock

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Schukat

Germany . 1,275 parts In-Stock

1+ parts

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100+ parts

$0.322

1k+ parts

$0.275

10k+ parts

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1,275

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$0.322

$0.275

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Anansix

USA . 1,151 parts In-Stock

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1,151

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Q Components

USA . 1,100 parts In-Stock

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IBS Electronics

USA . 450 parts In-Stock

1+ parts

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$0.337

1k+ parts

$0.330

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450

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$0.337

$0.330

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Jameco Electronics

USA . 421 parts In-Stock

1+ parts

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421

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LWI Electronics Inc

India . 105 parts In-Stock

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105

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LittleDiode

UK . 49 parts In-Stock

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49

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Zilex Electronics Inc.

Canada . 40 parts In-Stock

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40

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Semi Source

USA . 33 parts In-Stock

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33

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Huijzer Components

Netherlands . 25 parts In-Stock

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25

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ACDS - Activité Composants Distribution Service

France . 16 parts In-Stock

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16

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Distributors (Availability)

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

Corphita

USA . 3,514 parts In-Stock

1+ parts

$0.166

100+ parts

-

1k+ parts

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10k+ parts

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3,514

$0.166

-

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Semicontronic

India . 5,009 parts In-Stock

1+ parts

$0.340

100+ parts

$0.332

1k+ parts

$0.330

10k+ parts

-

5,009

$0.340

$0.332

$0.330

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Ampacity Inc.

Singapore . 4,559 parts In-Stock

1+ parts

$0.340

100+ parts

-

1k+ parts

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10k+ parts

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4,559

$0.340

-

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Argo Parts USA

USA . 2,469 parts In-Stock

1+ parts

$0.489

100+ parts

-

1k+ parts

-

10k+ parts

$0.474

2,469

$0.489

-

-

$0.474

Netroflash

USA . 1,000 parts In-Stock

1+ parts

$0.492

100+ parts

-

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10k+ parts

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1,000

$0.492

-

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Continental Prestige Electronics

USA . 7,510 parts In-Stock

1+ parts

$0.809

100+ parts

$0.622

1k+ parts

$0.394

10k+ parts

$0.365

7,510

$0.809

$0.622

$0.394

$0.365

Vigor

Singapore . 383 parts In-Stock

1+ parts

$0.920

100+ parts

-

1k+ parts

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10k+ parts

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383

$0.920

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Component Stockers USA

USA . 1,625 parts In-Stock

1+ parts

$0.970

100+ parts

$0.680

1k+ parts

$0.440

10k+ parts

-

1,625

$0.970

$0.680

$0.440

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Microchip USA

USA . 2,507 parts In-Stock

1+ parts

$1.170

100+ parts

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2,507

$1.170

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Andel Nordic

Denmark . 40 parts In-Stock

1+ parts

$1.230

100+ parts

-

1k+ parts

$0.858

10k+ parts

$0.858

40

$1.230

-

$0.858

$0.858

Corohmni

South Africa . 344 parts In-Stock

1+ parts

$1.403

100+ parts

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344

$1.403

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IDEA Electronic Components Group

UK . 137 parts In-Stock

1+ parts

$14.779

100+ parts

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1k+ parts

$13.301

10k+ parts

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137

$14.779

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$13.301

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Aztec Data Supply Inc.

USA . 3,053 parts In-Stock

1+ parts

$21.240

100+ parts

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3,053

$21.240

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Advanced Electronics

New Zealand . 1,000 parts In-Stock

1+ parts

$23.190

100+ parts

$22.031

1k+ parts

$22.031

10k+ parts

-

1,000

$23.190

$22.031

$22.031

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MKK Technologies

India . 73 parts In-Stock

1+ parts

$27.791

100+ parts

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73

$27.791

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DigiPath Technology Company

USA . 73 parts In-Stock

1+ parts

$27.791

100+ parts

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73

$27.791

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Infinite Electronics LLP (Excess)

. 59,893 parts In-Stock

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59,893

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Perfect Parts

USA . 52,558 parts In-Stock

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52,558

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Eastek

USA . 19,800 parts In-Stock

1+ parts

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19,800

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GreenTree Electronics

Israel . 19,800 parts In-Stock

1+ parts

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19,800

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A-Z Elektronik GmbH

Germany . 10,602 parts In-Stock

1+ parts

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10,602

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Kepictronics

USA . 8,000 parts In-Stock

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8,000

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TANS Electronics

Latvia . 7,097 parts In-Stock

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7,097

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Epart123

USA . 6,000 parts In-Stock

1+ parts

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$0.313

6,000

-

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$0.313

Formix International (Excess)

India . 6,000 parts In-Stock

1+ parts

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6,000

-

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SupplyDigital Components

Austria . 4,368 parts In-Stock

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4,368

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Glotronic Ltd.

UK . 3,605 parts In-Stock

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3,605

-

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Lixinc

USA . 3,400 parts In-Stock

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3,400

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Authorized Procurement Solutions

USA . 3,200 parts In-Stock

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3,200

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Futuretech Components

Singapore . 3,000 parts In-Stock

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3,000

-

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iodParts Technologies Inc.

India . 2,499 parts In-Stock

1+ parts

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1k+ parts

$0.414

10k+ parts

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2,499

-

-

$0.414

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S.R.D Solutions

India . 2,000 parts In-Stock

1+ parts

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2,000

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Parana Technologies

USA . 1,654 parts In-Stock

1+ parts

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100+ parts

$17.670

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1,654

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$17.670

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Kulean Microsystems

USA . 1,549 parts In-Stock

1+ parts

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1,549

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UHIMA Technologies

Türkiye . 885 parts In-Stock

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885

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Problanco Electronics

Mexico . 594 parts In-Stock

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594

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Assy Fe

Spain . 53 parts In-Stock

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53

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ChipstoGo Electronic ltd

UK . 22 parts In-Stock

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22

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Overview

Unlock the power of efficient energy management with the UC3845BN by Onsemi. As a trusted manufacturer in the industry of Switching Regulators & Controllers, Onsemi delivers top-quality products that meet the demands of modern technology. The UC3845BN offers a reliable and cost-effective solution for a wide range of applications, providing customers with the peace of mind that comes with superior performance and durability. Experience the benefits of this cutting-edge product and elevate your projects to new heights.

Feature Benefit Bullets

Package Body Material:

PLASTIC/EPOXY - Provides durability and reliability for long-term use.

Package Shape:

RECTANGULAR - Allows for easy integration and compact design in various applications.

No. of Terminals:

8 - Offers flexibility for connecting to other components in the circuit.

Package Style (Meter):

IN-LINE - Facilitates easy installation and maintenance in different setups.

Maximum Operating Temperature:

70 °C - Ensures stable performance even in high-temperature environments.

Control Mode:

CURRENT-MODE - Enables precise control and efficient power management.

Minimum Operating Temperature:

0 °C - Ensures reliable operation in a wide range of operating conditions.

Terminal Finish:

TIN LEAD - Provides good solderability and conductivity for effective connections.

Terminal Position:

DUAL - Offers multiple options for connecting external components.

Maximum Seated Height:

4.45 mm - Ideal for space-constrained applications where height is a concern.

Width (mm):

7.62 mm - Compact size allows for easy placement on PCBs with limited space.

Other IC type:

SWITCHING CONTROLLER - Offers advanced features for better power regulation and efficiency.

Nominal Input Voltage:

15 V - Suitable for a wide range of input voltage requirements in different systems.

Peak Reflow Temperature °C:

235 - Ensures secure and reliable soldering during assembly processes.

Length:

9.78 mm - Optimal length for fitting into various designs without compromising performance.

Temperature Grade:

COMMERCIAL - Meets industry standards for performance and reliability in commercial applications.

Maximum Switching Frequency:

275 kHz - Provides fast response and efficient power delivery for smooth operation.

Maximum Output Current:

1 A - Supports current requirements for various electronic devices and applications.

Technology:

BIPOLAR - Offers enhanced efficiency and stability in power management.

Terminal Form:

THROUGH-HOLE - Facilitates easy and secure mounting on PCBs for reliable connections.

Control Technique:

PULSE WIDTH MODULATION - Provides precise control over output voltage for efficient power delivery.

Switcher Config:

SINGLE - Simplifies design and implementation for straightforward power management solutions.

Terminal Pitch:

2.54 mm - Allows for easy integration with standard PCB layouts and components.

Minimum Input Voltage:

12 V - Handles low input voltage requirements while ensuring steady power supply.

Maximum Input Voltage:

25 V - Accommodates higher input voltage levels for versatility in various applications.

Technical Specifications

Switching Regulators & Controllers UC3845BN 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-PDIP-T8

JESD-609 Code:

e0

Length:

9.78 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:

DIP

Package Equivalence Code:

DIP8,.3

Package Shape:

Package Style (Meter):

IN-LINE

Peak Reflow Temperature (C):

235

Qualification:

Not Qualified

Maximum Seated Height:

4.45 mm

Sub-Category:

Switching Regulator or Controllers

Surface Mount:

NO

Switcher Config:

SINGLE

Maximum Switching Frequency:

275 kHz

Technology:

BIPOLAR

Temperature Grade:

Terminal Finish:

TIN LEAD

Terminal Form:

THROUGH-HOLE

Terminal Pitch:

2.54 mm

Terminal Position:

DUAL

Width (mm):

7.62 mm

Trade Compliance

UC3845BN 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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