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

UC3845AN - Texas Instruments

TEXAS INSTRUMENTS UC3845AN Input Voltage:25V

Datasheet at TI.com

Technical Details

Case/Package	P
Duty Cycle	50%
Fall Time	50ns
Frequency	450kHz
Input Current	11mA
Lead Free	Lead Free
Max Duty Cycle	50%
Max Frequency	500kHz
Max Input Voltage	25V
Max Operating Temperature	70°C
Min Operating Temperature	0°C
Max Output Current	1A
Max Power Dissipation	1W
Max Supply Voltage	30V
Min Supply Voltage	12V
Number of Outputs	1
Number of Pins	8
Output Current	1A
Output Type	TOTEM POLE
Output Voltage	5.1V
Package Quantity	50
Packaging	Rail/Tube
Power Dissipation	1W
Quiescent Current	11mA
Radiation Hardening	No
Reach SVHC Compliant	No
Rise Time	50ns
RoHS Compliant	Yes
Switching Frequency	500kHz
Termination	Through Hole
Topology	Buck-Boost, Flyback
Weight	0.018646oz

Compliance

RoHS : Compliant

Radiation Hardening : No

Images

Texas Instruments UC3845AN | Mouser

Mouser

Texas Instruments UC3845AN | Newark

Newark

Texas Instruments UC3845AN | Element14

Element14

Texas Instruments UC3845AN | Farnell

Farnell

Datasheets

Texas Instruments

Official datasheet

Official datasheet

Official datasheet

Official datasheet

Element14

UC3845AN datasheet (pdf, 434 KB)

UC3845AN datasheet (pdf, 4.1 MB)

UC3845AN datasheet (pdf, 4.1 MB)

Arrow Electronics

UC3845AN datasheet (pdf)

Verical

UC3845AN datasheet (pdf)

Conrad

UC3845AN datasheet (pdf)

Farnell

UC3845AN datasheet (pdf)

Lifecycle Status Indicator

Volume Production

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Symbol

UC3845AN Symbol - Texas Instruments

Footprint

UC3845AN Footprint - Texas Instruments

Alternatives (Possible Substitutes)

Manufacturer	Manufacturer Part No.	Lifecycle Status Indicator	Confidence
Texas Instruments	TL3845P	Volume Production
Texas Instruments	UC2844AN	Volume Production
Texas Instruments	UC2844ANG4	Volume Production
Texas Instruments	UC2844NG4	Volume Production
Texas Instruments	UC2845ANG4	Volume Production
Texas Instruments	UC3844NG4	Obsolete
STMicroelectronics	UC3845BN	Volume Production
Texas Instruments	UC3845N	Volume Production
Texas Instruments	UC3845NG4	Volume Production
STMicroelectronics	UC3844BN	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

Mouser

US: 2,147

$

1.24

0.896

0.76

0.717

0.688

0.568

Texas Instruments

US: 37,185

$

1.055

1.055

1.055

0.811

0.427

0.427

Rochester Electronics

US: 79

$

0.5931

0.5931

0.5812

0.5575

0.5041

0.5041

Arrow Electronics

US: 0

$

0.5353

0.5124

Digikey

US: 1,015

$

1.24

0.896

0.7598

0.7175

0.6239

0.5864

Associate Distributors

Distributor

SKU

Stock

USD

1

10

50

100

1000

10000

Buy

Weyland Electronics Group Pte. Ltd.

SG: 3,034

$

0.497

0.497

0.497

0.497

0.497

0.497

Win Source

CN: 42,818

$

0.8933

0.5956

0.5956

Heisener Electronics

CN: 167,689

$

1.5833

1.5833

1.5833

1.5833

1.5833

1.5833

FlyWing Technology

HK: 455

$

1.2496

1.1194

1.1194

1.0627

0.8729

0.8729

Lucentia Tech

US: 3,443

$

0.50

0.48

0.48

0.45

1.08

1.08

Easev

HK: 3,345

$

0.4871

0.4871

0.4871

0.4627

0.4237

0.3507

Fmall Co. Limited

HK: 30,340

$

1.0565

1.0565

1.0565

0.9883

0.9315

0.852

RX Electronics Limited

CN: 7,451

$

0.135

0.135

0.108

0.083

0.073

Aztech

IT: 3,017

$

10.5301

10.5301

10.5301

10.5301

10.5301

10.5301

Corohmni

US: 21

$

5.901

5.901

5.901

5.901

5.901

5.901

Tactical IC USA

US: 26,316

$

0.38

SHENGYU ELECTRONICS

CN: 25,387

$

1.6614

1.6282

1.6282

1.5783

1.5285

1.462

ZTZ Technology Limited

CN: 23,337

$

0.713

0.656

0.656

0.599

0.485

0.485

Lixinc

CN: 17,449

$

1.66

1.4813

1.4813

1.4813

1.4813

1.4813

Chipsmall Limited

CN: 15,000

$

1.3923

0.9282

0.9282

0.5569

0.4641

0.4641

YIC International

HK: 2,418

$

0.521

0.521

0.521

0.521

0.521

0.521

Vigor Components

SG: 621

$

1.66

1.66

1.66

1.66

1.66

1.66

TME

14: 178

$

1.35

1.19

0.99

0.85

0.75

0.75

Origin Data Global Limited

CN: 3,000

$

0.542

0.521

0.50

NAC Semi

US: 622

$

1.39

1.39

Quest

US: 6

$

1.2624

1.052

1.052

1.052

1.052

1.052

Classic Components

US: 3

$

XingHuan International

CN: 5,766

$

Lingto Electronic Ltd.

CN: 43,065

$

1.42

1.349

1.349

1.278

1.2638

1.2496

Sourcengine

US: 195

$

Sourceability

US: 173

$

Farnell

GB: 0

$

4.2459

2.8034

2.8034

2.0821

1.2928

1.2928

Farnell

GB: 0

$

2.1366

1.4697

1.4697

1.007

0.8696

0.7049

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