UC3843BNG

ON Semiconductor
UC3843BNG
Volume Production
IC REG CTRLR FLYBACK 8DIP - Digikey Current Mode PWM Controller 1A 8-Pin PDIP Rail - Arrow Electronics Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max - Mouser See more descriptions See less descriptions

Case/Package	PDIP
Duty Cycle	96%
Fall Time	50ns
Frequency	52kHz
Halogen Free	Halogen Free
Height	3.44mm
Lead Free	Lead Free
Length	10.16mm
Max Duty Cycle	96%
Max Frequency	500kHz
Max Operating Temperature	70°C
Min Operating Temperature	0°C
Max Supply Current	17mA
Max Supply Voltage	30V
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
Radiation Hardening	No
Reach SVHC Compliant	No
Rise Time	50ns
RoHS Compliant	Yes
Switching Frequency	500kHz
Topology	Boost, Flyback
Weight	0.032805oz
Width	6.6mm

Verical

Datasheet (pdf, 405.4 KB)

Avnet

Datasheet (pdf, 409 KB)

Digikey

Datasheet (pdf, 402.2 KB)

Loading indicators

Authorized Distributors

Future Electronics - 7161151

$0.42

Buy

Stock

Break

CA: 425

1	$0.42
10	$0.42
100	$0.41
1000	$0.40

Rochester Electronics - UC3843BNG

$0.5417

Buy

Stock

Break

US: 400

1	$0.5417
10	$0.5417
100	$0.5092
1000	$0.4604

Verical - UC3843BNG

$0.5755

Buy

Stock

Break

US: 18,177

1000

$0.5755

Mouser - 863-UC3843BNG

$1.94

Buy

Stock

Break

US: 3,042

1	$1.94
10	$0.919
100	$0.593
1000	$0.506

Arrow Electronics - UC3843BNG

$0.4568

Buy

Stock

Break

US: 0

100	$0.4568
1000	$0.4229

Newark - 37X9040

$1.80

Buy

Stock

Break

US: 31,566

1	$1.80
10	$0.978
100	$0.873
1000	$0.806

Newark - 45J2381

$1.57

Buy

Stock

Break

US: 552

1	$1.57
10	$0.752
100	$0.646
1000	$0.579

Digikey - UC3843BNGOS-ND

$2.00

Buy

Stock

Break

US: 787

1	$2.00
10	$1.241
100	$0.8209
1000	$0.5874

Flip Electronics - UC3843BNG

Buy

Stock

Break

US: 2,200

Onlinecomponents.com - UC3843BNG

$0.582

Buy

Stock

Break

US: 0

100	$0.582
1000	$0.527

Master Electronics - UC3843BNG

$0.582

Buy

Stock

Break

US: 0

100	$0.582
1000	$0.527

Element14 - 2382335

S$2.13

Buy

Stock

Break

SG: 36,380

1	S$2.13
10	S$1.01
100	S$0.836
1000	S$0.814

Farnell - 2382335

£1.17

Buy

Stock

Break

GB: 30,141

1	£1.17
10	£0.534
100	£0.445
1000	£0.416

Associate Distributors

Microchip USA - UC3843BNG

$6.27

Buy

Stock

Break

US: 2,086

100	$6.27
1000	$6.25

Component Stockers USA - UC3843BNG

$0.43

Buy

Stock

Break

US: 2,738

1	$0.43
10	$0.43
100	$0.41
1000	$0.37

Weyland Electronics Group Pte. Ltd. - UC3843BNG

€0.436

Buy

Stock

Break

SG: 4,088

1	€0.436
10	€0.436
100	€0.436
1000	€0.436

Worldway Electronics - UC3843BNG

$0.2795

Buy

Stock

Break

HK: 12,240

10	$0.2795
100	$0.2709
1000	$0.2567

Heisener Electronics - UC3843BNG

$0.90

Buy

Stock

Break

CN: 289,341

1	$0.90
10	$0.90
100	$0.90
1000	$0.90

Lucentia Tech - UC3843BNG

$0.2992

Buy

Stock

Break

US: 9,079

1	$0.2992
10	$0.2842
100	$0.2693
1000	$1.08

Fmall Co. Limited - UC3843BNG

$0.7366

Buy

Stock

Break

HK: 34,890

1	$0.7366
10	$0.7366
100	$0.689
1000	$0.6494

RX Electronics Limited - UC3843BNG

$0.831

Buy

Stock

Break

CN: 34,140

10	$0.831
100	$0.647
1000	$0.583

Ampacity Systems - UC3843BNG

$0.412

Buy

Stock

Break

MY: 9,274

1	$0.412
10	$0.412
100	$0.412
1000	$0.412

Corohmni - UC3843BNG

$0.4023

Buy

Stock

Break

US: 265

1	$0.4023
10	$0.4023
100	$0.4023
1000	$0.4023

Aztech - UC3843BNG

$4.7716

Buy

Stock

Break

IT: 169

1	$4.7716
10	$4.7716
100	$4.7716
1000	$4.7716

LCSC - C5290

¥6.7501

Buy

Stock

Break

CN: 110

1	¥6.7501
10	¥5.416
100	¥4.0819
1000	¥3.4825

Chipsmall Limited - UC3843BNG

$1.5147

Buy

Stock

Break

CN: 82,588

1	$1.5147
10	$1.0098
100	$0.6059
1000	$0.5049

SHENGYU ELECTRONICS - UC3843BNG

$1.0494

Buy

Stock

Break

CN: 29,446

1	$1.0494
10	$1.0284
100	$0.9969
1000	$0.9654

CXDA Electronics - UC3843BNG

$0.93

Buy

Stock

Break

HK: 29,152

10	$0.93
100	$0.845
1000	$0.762

Bettlink - UC3843BNG

$0.6379

Buy

Stock

Break

HK: 28,447

1	$0.6379
10	$0.5799
100	$0.532
1000	$0.4604

ZTZ Technology Limited - UC3843BNG

$0.248

Buy

Stock

Break

CN: 23,657

1	$0.248
10	$0.228
100	$0.208
1000	$0.169

YIC International - UC3843BNG

$0.471

Buy

Stock

Break

HK: 10,050

1	$0.471
10	$0.471
100	$0.471
1000	$0.471

Lixinc - UC3843BNG

$0.78

Buy

Stock

Break

CN: 8,266

1	$0.78
10	$0.78
100	$0.6567
1000	$0.6567

Vigor Components - UC3843BNG

$0.78

Buy

Stock

Break

SG: 5,894

1	$0.78
10	$0.78
100	$0.78
1000	$0.78

Cytech Systems - UC3843BNG

$1.164

Buy

Stock

Break

CN: 5,000

1	$1.164
10	$1.0942
100	$1.036
1000	$0.9778

J3 - UC3843BNG

$11.819

Buy

Stock

Break

US: 100

1	$11.819
10	$11.819
100	$11.819
1000	$11.819

Semicontronic - UC3843BNG

$17.643

Buy

Stock

Break

US: 6

1	$17.643
10	$17.643
100	$17.643
1000	$17.643

TME - UC3843BNG

$1.25

Buy

Stock

Break

14: 131

1	$1.25
10	$1.05
100	$0.73
1000	$0.56

Origin Data Global Limited - UC3843BNG

$0.831

Buy

Stock

Break

CN: 4,000

100	$0.831
1000	$0.799

Classic Components - UC3843BNG

Buy

Stock

Break

US: 3,966

Bison Technologies - UC3843BNG-159433

$0.23

Buy

Stock

Break

CN: 3,300

100	$0.23
1000	$0.23

Bison Technologies - UC3843BNG-112714

$0.23

Buy

Stock

Break

CN: 479

100	$0.23
1000	$0.23

NAC Semi - UC3843BNG

$0.631

Buy

Stock

Break

US: 1,200

1000

$0.631

Quest - UC3843BNG

$1.25

Buy

Stock

Break

US: 22

1	$1.25
10	$1.00
100	$0.625
1000	$0.625

Decca Corp - UC3843BNG

Buy

Stock

Break

PL: 50

XingHuan International - UC3843BNG

Buy

Stock

Break

CN: 6,356

IBS Electronics - UC3843BNG

$0.4722

Buy

Stock

Break

US: 0

100	$0.4722
1000	$0.4522

Lingto Electronic Ltd. - UC3843BNG

$0.91

Buy

Stock

Break

CN: 25,051

1	$0.91
10	$0.8645
100	$0.819
1000	$0.8099

Abacus Technologies - UC3843BNG

Buy

Stock

Break

US: 44

Sourceability - UC3843BNG

Buy

Stock

Break

US: 4,330

Eastek - UC3843BNG_H

Buy

Stock

Break

TW: 1,100

Sourcengine - UC3843BNG

Buy

Stock

Break

US: 425

AAA CHIPS - UC3843BNG

$0.2998

Buy

Stock

Break

HK: 575

1	$0.2998
10	$0.291
100	$0.2822
1000	$0.2822

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ON Semiconductor UC3843BVNG	Obsolete
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Texas Instruments UCC3804D	Obsolete
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STMicroelectronics UC2845BN	Volume Production
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Texas Instruments TL3842BP	Obsolete
Texas Instruments TL3843BP	Volume Production

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