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

UC3844BNG - ON Semiconductor

ON SEMICONDUCTOR UC3844BNG PWM Controller, 25V-12V supply, 250 kHz, 13.4V/200mA out, DIP-8

Technical Details

Case/Package	PDIP
Duty Cycle	48%
Fall Time	50ns
Frequency	250kHz
Halogen Free	Halogen Free
Height	3.44mm
Input Bias Current	-2uA
Lead Free	Lead Free
Length	10.16mm
Max Duty Cycle	48%
Max Frequency	275kHz
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
Power Dissipation	1.25W
Radiation Hardening	No
Reach SVHC Compliant	No
Rise Time	50ns
RoHS Compliant	Yes
Switching Frequency	500kHz
Threshold Voltage	17.5V
Topology	Boost, Flyback
Width	6.6mm

Compliance

RoHS : Compliant

Radiation Hardening : No

Images

ON Semiconductor UC3844BNG | Rochester Electronics

Rochester Electronics

ON Semiconductor UC3844BNG | LCSC

LCSC

Datasheets

Verical

UC3844BNG datasheet (pdf, 393.6 KB)

Element14

UC3844BNG datasheet (pdf, 402.7 KB)

Digikey

UC3844BNG datasheet (pdf, 393.6 KB)

Avnet

UC3844BNG datasheet (pdf, 393.6 KB)

Lifecycle Status Indicator

Volume Production

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
Texas Instruments	MSP-EXP430G2	Obsolete
Texas Instruments	TL3845P	Volume Production
Texas Instruments	UC2844AN	Volume Production
Texas Instruments	UC3845AN	Volume Production
STMicroelectronics	UC3845BN	Volume Production
Texas Instruments	UC3845N	Volume Production
Texas Instruments	UC3845NG4	Volume Production
ON Semiconductor	UC3845BNG	Volume Production
Microsemi	SG2844M	Volume Production
Microsemi	SG2845M	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

Avnet

US: 0

$

0.4378

0.426

0.3905

0.3905

Rochester Electronics

US: 122,122

$

0.5417

0.5417

0.5309

0.5092

0.4604

0.4604

RS (Formerly Allied Electronics)

US: 2

$

1.64

1.55

1.47

1.39

1.39

1.39

Verical

US: 58,950

$

0.5755

0.5755

Arrow Electronics

US: 1,350

$

0.8239

0.6654

0.5846

0.4879

Mouser

US: 1,130

$

1.82

1.15

0.921

0.765

0.569

0.489

Newark

US: 400

$

1.75

0.998

0.998

0.761

0.645

0.645

Newark

US: 0

$

1.02

0.761

0.645

0.645

Onlinecomponents.com

US: 0

$

0.582

0.582

0.527

0.4743

Digikey

US: 493

$

2.00

1.241

0.9226

0.8209

0.5874

0.4891

Master Electronics

US: 0

$

0.582

0.582

0.527

0.4743

Future Electronics

AMER: 0

$

0.445

0.445

0.445

0.435

0.415

0.395

Element14

SG: 20

$

1.7984

1.0017

0.8727

0.7429

0.6177

0.6056

Farnell

GB: 0

$

1.7419

0.9689

0.8465

0.7226

0.6709

0.6709

Associate Distributors

Distributor

SKU

Stock

USD

1

10

50

100

1000

10000

Buy

Microchip USA

US: 1,818

$

6.46

6.44

6.42

Component Stockers USA

US: 447,723

$

0.43

0.42

0.42

0.41

0.37

0.37

Win Source

CN: 71,500

$

0.316

0.283

Worldway Electronics

HK: 8,488

$

0.2275

0.2275

0.2205

0.2089

0.2089

Heisener Electronics

CN: 80,526

$

0.9522

0.9522

0.9522

0.9522

0.9522

0.9522

Lucentia Tech

US: 18,921

$

0.3179

0.302

0.302

0.2861

1.08

1.08

RX Electronics Limited

CN: 37,042

$

1.036

1.036

0.801

0.731

0.731

Fmall Co. Limited

HK: 20,440

$

0.7366

0.7366

0.7366

0.689

0.6494

0.594

Ampacity Systems

MY: 19,008

$

0.461

0.461

0.461

0.461

0.461

0.461

Aztech

IT: 1,066

$

20.2546

20.2546

20.2546

20.2546

20.2546

20.2546

Corohmni

US: 65

$

0.2518

0.2518

0.2518

0.2518

0.2518

0.2518

Chipsmall Limited

CN: 64,106

$

1.86

1.24

1.24

0.744

0.62

0.62

SHENGYU ELECTRONICS

CN: 32,370

$

1.0395

1.0187

1.0187

0.9875

0.9563

0.9148

Bettlink

HK: 26,644

$

0.5068

0.4607

0.4607

0.4227

0.3658

0.3658

Lixinc

CN: 17,197

$

0.78

0.78

0.6567

0.6567

0.6567

0.6567

YIC International

HK: 14,000

$

0.421

0.421

0.421

0.421

0.421

0.421

CXDA Electronics

HK: 10,005

$

0.47

0.47

0.427

0.371

0.328

RC Electronics

CN: 9,000

$

0.55

0.50

0.50

0.49

0.47

0.46

Semicontronic

US: 1,193

$

12.872

12.872

12.872

12.872

12.872

12.872

Vigor Components

SG: 877

$

0.78

0.78

0.78

0.78

0.78

0.78

LZChips

CN: 709

$

0.786

0.709

0.709

0.674

0.64

0.608

TME

14: 7

$

1.349

1.134

0.896

0.803

0.599

0.589

Origin Data Global Limited

CN: 9,900

$

0.451

0.434

0.417

Bison Technologies

UC3844BNG-160211

CN: 2,200

$

0.23

0.23

0.23

Classic Components

US: 766

$

Quest

US: 1

$

1.26

1.26

1.26

1.26

1.26

1.26

Decca Corp

PL: 1,000

$

XingHuan International

CN: 3,659

$

Lingto Electronic Ltd.

CN: 49,043

$

0.91

0.8645

0.8645

0.819

0.8099

0.8008

Sourcengine

US: 82,000

$

Sourceability

US: 3,880

$

Eastek

TW: 2,250

$

AAA CHIPS

HK: 594

$

0.3389

0.3289

0.3289

0.319

0.319

0.319

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