Integrated Circuits (ICs) > Power Management ICs > Voltage Regulators - Switching

UC3842BN - STMicroelectronics

STMICROELECTRONICS UC3842BN IC, CURRENT MODE PWM CTRL, 25V, 8-DIP

Technical Details

Case/Package	DIP
Duty Cycle	100%
Fall Time	50ns
Frequency	250kHz
Height	3.32mm
Lead Free	Lead Free
Length	10.92mm
Max Duty Cycle	100%
Max Frequency	500kHz
Max Operating Temperature	70°C
Min Operating Temperature	-40°C
Max Power Dissipation	1.25W
Max Supply Current	17mA
Max Supply Voltage	25V
Min Supply Voltage	12V
Mount	Through Hole
Number of Outputs	1
Number of Pins	8
Output Current	1A
Output Voltage	5.1V
Package Quantity	50
Packaging	Rail/Tube
Power Dissipation	1.25W
Quiescent Current	12mA
Radiation Hardening	No
Reach SVHC Compliant	No
Reference Voltage	5V
Rise Time	50ns
RoHS Compliant	Yes
Switching Frequency	500kHz
Tolerance	1%
Topology	Boost, Flyback
Weight	0.032805oz
Width	6.6mm

Compliance

RoHS : Compliant

Radiation Hardening : No

Images

STMicroelectronics UC3842BN | Verical

Verical

STMicroelectronics UC3842BN | Distrelec

Distrelec

STMicroelectronics UC3842BN | Newark

Newark

STMicroelectronics UC3842BN | Element14

Element14

Datasheets

Distrelec

UC3842BN datasheet (pdf, 228.8 KB)

Verical

UC3842BN datasheet (pdf, 233.7 KB)

Element14

UC3842BN datasheet (pdf, 233.7 KB)

UC3842BN datasheet (pdf, 233.7 KB)

Newark

UC3842BN datasheet (pdf, 233.7 KB)

Digikey

UC3842BN datasheet (pdf, 233.7 KB)

Avnet

UC3842BN datasheet (pdf, 233.7 KB)

Lifecycle Status Indicator

Volume Production

Loading indicators

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
TE Connectivity	2-1571586-2	Volume Production
Harwin	D2608-42	Volume Production
STMicroelectronics	E-UC3843BN	Obsolete
Texas Instruments	MSP-EXP430G2	Obsolete
Texas Instruments	UC3842N	Volume Production
ON Semiconductor	UC3842BNG	Volume Production
Microsemi	UC2842AM	Volume Production
STMicroelectronics	UC2842BN	Volume Production
STMicroelectronics	UC3843BN	Volume Production
STMicroelectronics	UC2843BN	Volume Production

See more alternatives See less alternatives

Related Parts

See more related parts See less related parts

Authorized Distributors

Distributor

SKU

History

Stock

USD

1

10

50

100

1000

10000

Buy

Verical

US: 2,756

$

0.4826

0.4549

0.3741

0.3151

Arrow Electronics

US: 16,000

$

0.3066

Mouser

US: 1,384

$

0.81

0.578

0.486

0.457

0.393

0.33

Digikey

US: 2,072

$

0.81

0.578

0.4852

0.4564

0.3926

0.367

TME

14: 467

$

0.68

0.68

0.63

0.553

0.367

0.336

Newark

US: 48

$

0.805

0.577

0.577

0.53

0.505

0.428

Future Electronics

CA: 0

$

0.315

0.315

0.315

0.315

0.30

0.28

Avnet

US: 0

$

0.2839

Avnet

US: 0

$

0.739

0.575

0.575

0.515

0.482

0.482

Element14

SG: 98

$

0.7429

0.5122

0.5122

0.4599

0.4136

0.368

Farnell

GB: 58

$

0.7743

0.5185

0.5185

0.4654

0.4368

0.3702

Anglia

GB: 0

$

0.3348

0.3035

0.2735

0.2735

Associate Distributors

Distributor

SKU

Stock

USD

1

10

50

100

1000

10000

Buy

Tactical IC USA

US: 33,333

$

0.30

Fmall Co. Limited

HK: 19,740

$

0.7291

0.7291

0.7291

0.6821

0.6429

0.588

Corohmni

US: 611

$

17.567

17.567

17.567

17.567

17.567

17.567

Epart123

CN: 40,300

$

0.225

LCSC

CN: 201

$

0.4302

0.3389

0.3002

0.2522

0.2306

0.2182

ZTZ Technology Limited

CN: 32,254

$

0.309

0.284

0.284

0.26

0.21

0.21

SHENGYU ELECTRONICS

CN: 31,639

$

0.4017

0.3936

0.3936

0.3816

0.3695

0.3535

Cytech Systems

CN: 28,900

$

1.80

1.692

1.692

1.602

1.512

1.422

Bettlink

HK: 20,987

$

0.4817

0.4379

0.4379

0.4018

0.3477

0.3477

YIC International

HK: 10,020

$

6.012

6.012

6.012

6.012

6.012

6.012

Chipsmall Limited

CN: 10,000

$

0.4896

0.3264

0.3264

0.1958

0.1632

0.1632

Lixinc

CN: 5,066

$

0.81

0.81

0.6732

0.6732

0.6732

0.6732

Vigor Components

SG: 4,167

$

0.81

0.81

0.81

0.81

0.81

0.81

LZChips

CN: 3,035

$

0.794

0.717

0.717

0.681

0.647

0.614

Semicontronic

US: 398

$

17.567

17.567

17.567

17.567

17.567

17.567

Classic Components

US: 3,080

$

Bison Technologies

UC3842BN-112671

CN: 200

$

0.23

0.23

0.23

Bison Technologies

UC3842BN-270132

CN: 170

$

0.23

0.23

0.23

Bison Technologies

UC3842BN-185979

CN: 111

$

0.23

0.23

0.23

Bison Technologies

UC3842BN-247746

CN: 15

$

0.23

0.23

0.23

Decca Corp

PL: 2,000

$

XingHuan International

CN: 17,558

$

ComSIT Distribution GmbH

DE: 696

$

IBS Electronics

US: 0

$

0.419

Robosynatics

US: 900

$

Lingto Electronic Ltd.

CN: 20,915

$

0.89

0.8455

0.8455

0.801

0.7921

0.7832

Eastek

TW: 4,350

$

Eastek

TW: 1,450

$

Sourceability

US: 2,780

$

Chip One Stop

JP: 40

$

0.615

0.509

0.424

0.257

0.257

Conrad

DE: In stock

$

1.0108

1.0108

1.0108

1.0108

1.0108

1.0108

AAA CHIPS

HK: 2,918

$

0.1261

0.1224

0.1224

0.1187

0.1187

0.1187

Schukat

DE: 550

$

0.3909

0.3198

0.2844

0.2844

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