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

UC2843BN - STMicroelectronics

IC REG CTRLR BST/FLYBK 8-MINIDIP

Technical Details

Case/Package	PDIP
Clock Sync	No
Duty Cycle	100%
Fall Time	50ns
Lead Free	Lead Free
Max Duty Cycle	100%
Max Frequency	500kHz
Max Operating Temperature	150°C
Min Operating Temperature	-25°C
Max Supply Current	17mA
Max Supply Voltage	30V
Mount	Through Hole
Number of Output Phases	1
Number of Outputs	1
Number of Pins	8
Output Current	1A
Output Voltage	5.05V
Packaging	Rail/Tube
Quiescent Current	12mA
Radiation Hardening	No
Rise Time	50ns
RoHS Compliant	Yes
Switching Frequency	500kHz
Synchronous Rectifier	No
Topology	Boost, Flyback
Weight	0.032805oz

Compliance

RoHS : Compliant

Radiation Hardening : No

Images

STMicroelectronics UC2843BN | Arrow Electronics

Arrow Electronics

Datasheets

Verical

UC2843BN datasheet (pdf, 233.7 KB)

Avnet

UC2843BN datasheet (pdf, 233.7 KB)

Digikey

UC2843BN datasheet (pdf, 233.7 KB)

Lifecycle Status Indicator

Volume Production

Loading indicators

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
Multicomp	2227MC-08-03-18-F1	Volume Production
STMicroelectronics	E-UC3843BN	Obsolete
Texas Instruments	MSP-EXP430G2	Obsolete
STMicroelectronics	UC3842BN	Volume Production
Texas Instruments	UC3842NG4	Volume Production
Microsemi	UC2842AM	Volume Production
STMicroelectronics	UC2842BN	Volume Production
STMicroelectronics	UC3843BN	Volume Production
Microsemi	SG3843M	Obsolete
Texas Instruments	TL3842BPE4	Volume Production

See more alternatives See less alternatives

Related Parts

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Authorized Distributors

Distributor

SKU

History

Stock

USD

1

10

50

100

1000

10000

Buy

Arrow Electronics

US: 8,000

$

0.399

Verical

US: 8,000

$

0.399

Mouser

US: 1,611

$

0.87

0.625

0.53

0.504

0.409

0.387

Future Electronics

CA: 42,800

$

0.365

0.365

0.345

0.325

Future Electronics

CA: 4

$

0.37

0.37

0.37

0.36

0.35

0.325

TME

14: 222

$

0.556

0.477

0.429

0.382

0.303

0.303

Digikey

US: 1,932

$

0.90

0.646

0.5434

0.5116

0.4412

0.4131

Newark

US: 0

$

1.02

0.669

0.669

0.604

0.567

0.506

Avnet

US: 0

$

0.3348

Anglia

GB: 698

$

0.3634

0.3634

0.3293

0.2967

0.2967

0.2967

Element14

SG: 56

$

0.9789

0.5904

0.5904

0.5198

0.453

0.4166

Farnell

GB: 56

$

0.9717

0.5865

0.5865

0.5171

0.4763

0.4219

Associate Distributors

Distributor

SKU

Stock

USD

1

10

50

100

1000

10000

Buy

Component Stockers USA

US: 5,909

$

0.46

0.51

0.51

0.45

0.44

0.44

Worldway Electronics

HK: 20,846

$

0.1168

0.1168

0.1132

0.1072

0.1072

Heisener Electronics

CN: 958,477

$

0.246

0.246

0.246

0.246

0.246

0.246

FlyWing Technology

HK: 3,927

$

0.5192

0.5192

0.5192

0.5192

0.5192

0.5192

Tactical IC USA

US: 120

$

9.56

9.56

9.56

RX Electronics Limited

CN: 37,023

$

0.882

0.882

0.70

0.638

0.638

Fmall Co. Limited

HK: 34,670

$

0.9598

0.9598

0.9598

0.8978

0.8462

0.774

Corohmni

US: 609

$

17.448

17.448

17.448

17.448

17.448

17.448

LCSC

CN: 120

$

0.6059

0.4897

0.4324

0.375

0.3223

0.3223

Bettlink

HK: 49,475

$

0.4098

0.3726

0.3726

0.3418

0.2958

0.2958

CXDA Electronics

HK: 36,425

$

0.224

0.224

0.203

0.182

0.156

Suntronic

CN: 33,253

$

0.83

0.83

0.659

0.60

0.60

SHENGYU ELECTRONICS

CN: 23,912

$

0.649

0.636

0.636

0.6165

0.5971

0.5711

Chipsmall Limited

CN: 10,000

$

0.6795

0.453

0.453

0.2718

0.2265

0.2265

Lixinc

CN: 3,888

$

0.97

0.97

0.8238

0.8238

0.8238

0.8238

LZChips

CN: 3,768

$

1.071

0.967

0.967

0.918

0.872

0.829

Vigor Components

SG: 1,692

$

0.97

0.97

0.97

0.97

0.97

0.97

YIC International

HK: 1,443

$

0.281

0.281

0.281

0.281

0.281

0.281

ALLICDATA ELECTRONICS

HK: 606

$

0.63

0.6111

0.6111

0.5985

0.5859

0.567

Bison Technologies

UC2843BN-131602

CN: 28,000

$

0.53

0.53

0.53

Bison Technologies

CN: 23,950

$

0.53

0.53

0.53

Bison Technologies

UC2843BN-186198

CN: 172

$

0.53

0.53

0.53

Bison Technologies

UC2843BN-255965

CN: 67

$

0.53

0.53

0.53

Classic Components

US: 1,540

$

Quest

US: 18

$

0.8889

0.7408

0.7408

0.7408

0.7408

0.7408

Decca Corp

PL: 1,000

$

XingHuan International

CN: 19,713

$

IBS Electronics

US: 0

$

0.2793

Lingto Electronic Ltd.

CN: 15,499

$

1.17

1.1115

1.1115

1.053

1.0413

1.0296

Abacus Technologies

US: 26

$

Eastek

TW: 8,450

$

Eastek

TW: 1,400

$

Sourceability

US: 758

$

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