UC3844BD1R2G

ON Semiconductor
UC3844BD1R2G
Volume Production
IC REG CTRLR PWM CM 8-SOIC - Digikey Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Arrow Electronics UC384*B Boost Flyback Tape & Reel (TR) e3 DC to DC switching controller 50ns 17mA 1.5mm 5V - Mouser See more descriptions See less descriptions

Case/Package	SOIC
Clock Sync	No
Duty Cycle	48%
Fall Time	50ns
Halogen Free	Halogen Free
Height	1.5mm
Lead Free	Lead Free
Length	5mm
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
Mount	Surface Mount
Number of Output Phases	1
Number of Outputs	1
Number of Pins	8
Output Current	1A
Output Voltage	5.1V
Package Quantity	1
Packaging	Tape and Reel
Radiation Hardening	No
Rise Time	50ns
RoHS Compliant	Yes
Switching Frequency	500kHz
Synchronous Rectifier	No
Topology	Boost, Flyback
Width	4mm

Digikey

Datasheet (pdf, 393.6 KB)

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Authorized Distributors

Arrow Electronics - UC3844BD1R2G

$0.2293

Buy

Stock

Break

US: 2,768

1	$0.2293
10	$0.2293
100	$0.2293
1000	$0.2293

Rochester Electronics - UC3844BD1R2G

$0.2608

Buy

Stock

Break

US: 222,563

1	$0.2608
10	$0.2608
100	$0.2452
1000	$0.2217

Mouser - 863-UC3844BD1R2G

$1.20

Buy

Stock

Break

US: 5,568

1	$1.20
10	$0.643
100	$0.429
1000	$0.31

Verical - UC3844BD1R2G

Buy

Stock

Break

US: 2,500

Newark - 50AC7423

$0.629

Buy

Stock

Break

US: 3,646

1	$0.629
10	$0.624
100	$0.514
1000	$0.479

Newark - 45J2385

Buy

Stock

Break

US: 0

Digikey - UC3844BD1R2GOSCT-ND

$1.20

Buy

Stock

Break

US: 5,510

1	$1.20
10	$0.732
100	$0.4702
1000	$0.3245

Digikey - UC3844BD1R2GOSDKR-ND

$1.20

Buy

Stock

Break

US: 5,510

1	$1.20
10	$0.732
100	$0.4702
1000	$0.3245

Digikey - UC3844BD1R2GOSTR-ND

Buy

Stock

Break

US: 4,988

Onlinecomponents.com - UC3844BD1R2G

Buy

Stock

Break

US: 0

RS (Formerly Allied Electronics) - 70341626

$0.56

Buy

Stock

Break

US: 0

1	$0.56
10	$0.56
100	$0.56
1000	$0.56

Avnet - UC3844BD1R2G

Buy

Stock

Break

US: 0

Future Electronics - 4159981

Buy

Stock

Break

CA: 0

Master Electronics - UC3844BD1R2G

Buy

Stock

Break

US: 0

Element14 - 2845220

S$0.631

Buy

Stock

Break

SG: 3,761

1	S$0.631
10	S$0.624
100	S$0.482
1000	S$0.398

Element14 - 2845220RL

S$0.482

Buy

Stock

Break

SG: 3,761

100	S$0.482
1000	S$0.398

Farnell - 2845220

£0.373

Buy

Stock

Break

GB: 3,646

1	£0.373
10	£0.369
100	£0.285
1000	£0.235

Farnell - 2845220RL

£0.285

Buy

Stock

Break

GB: 3,646

100	£0.285
1000	£0.235

Associate Distributors

Microchip USA - UC3844BD1R2G

$1.95

Buy

Stock

Break

US: 4,896

1000

$1.95

Component Stockers USA - UC3844BD1R2G

$0.28

Buy

Stock

Break

US: 205,642

1	$0.28
10	$0.28
100	$0.26
1000	$0.22

Weyland Electronics Group Pte. Ltd. - UC3844BD1R2G

€0.184

Buy

Stock

Break

SG: 7,539

1	€0.184
10	€0.184
100	€0.184
1000	€0.184

Win Source - UC3844BD1R2G

$0.2731

Buy

Stock

Break

CN: 39,990

1000

$0.2731

Worldway Electronics - UC3844BD1R2G

$0.1262

Buy

Stock

Break

HK: 6,465

10	$0.1262
100	$0.1224
1000	$0.1159

Heisener Electronics - UC3844BD1R2G

$0.7895

Buy

Stock

Break

CN: 1,460,241

1	$0.7895
10	$0.7895
100	$0.7895
1000	$0.7895

FlyWing Technology - UC3844BD1R2G

$0.143

Buy

Stock

Break

HK: 6,164

1	$0.143
10	$0.1388
100	$0.1346
1000	$0.1293

Utmel Electronic - 1807-UC3844BD1R2G

$0.2625

Buy

Stock

Break

HK: 430

1	$0.2625
10	$0.2476
100	$0.2336
1000	$0.2079

Jak Electronics - UC3844BD1R2G

$0.2037

Buy

Stock

Break

HK: 2,728

1	$0.2037
10	$0.1922
100	$0.1813
1000	$0.1613

Lucentia Tech - UC3844BD1R2G

$0.2202

Buy

Stock

Break

US: 49,831

1	$0.2202
10	$0.2092
100	$0.1982
1000	$1.08

RX Electronics Limited - UC3844BD1R2G

$0.601

Buy

Stock

Break

CN: 52,390

10	$0.601
100	$0.482
1000	$0.388

Fmall Co. Limited - UC3844BD1R2G

$0.2083

Buy

Stock

Break

HK: 13,220

1	$0.2083
10	$0.2083
100	$0.1949
1000	$0.1837

Aztech - UC3844BD1R2G

$20.8495

Buy

Stock

Break

IT: 1,301

1	$20.8495
10	$20.8495
100	$20.8495
1000	$20.8495

Corohmni - UC3844BD1R2G

$0.2393

Buy

Stock

Break

US: 344

1	$0.2393
10	$0.2393
100	$0.2393
1000	$0.2393

Epart123 - UC3844BD1R2G

Buy

Stock

Break

CN: 60,000

LCSC - C7117

¥2.8853

Buy

Stock

Break

CN: 4,679

1	¥2.8853
10	¥2.318
100	¥1.8217
1000	¥1.5666

CXDA Electronics - UC3844BD1R2G

$0.448

Buy

Stock

Break

HK: 54,305

10	$0.448
100	$0.407
1000	$0.357

SHENGYU ELECTRONICS - UC3844BD1R2G

$0.814

Buy

Stock

Break

CN: 49,066

1	$0.814
10	$0.7977
100	$0.7733
1000	$0.7489

Lixinc - UC3844BD1R2G

$0.62

Buy

Stock

Break

CN: 18,514

1	$0.62
10	$0.62
100	$0.62
1000	$0.62

Chipsmall Limited - UC3844BD1R2G

$0.7014

Buy

Stock

Break

CN: 15,000

1	$0.7014
10	$0.4676
100	$0.2806
1000	$0.2338

Bettlink - UC3844BD1R2G

$0.2858

Buy

Stock

Break

HK: 11,100

1	$0.2858
10	$0.2598
100	$0.2383
1000	$0.2063

Antdic Electronics - UC3844BD1R2G

$0.2416

Buy

Stock

Break

CN: 10,664

1	$0.2416
10	$0.2296
100	$0.2175
1000	$0.1933

ALLICDATA ELECTRONICS - UC3844BD1R2G

$0.2708

Buy

Stock

Break

HK: 2,500

1	$0.2708
10	$0.2347
100	$0.1896
1000	$0.1806

Cytech Systems - UC3844BD1R2G

$0.936

Buy

Stock

Break

CN: 2,500

1	$0.936
10	$0.8798
100	$0.833
1000	$0.7862

YIC International - UC3844BD1R2G

$0.15

Buy

Stock

Break

HK: 2,282

1	$0.15
10	$0.15
100	$0.15
1000	$0.15

ZTZ Technology Limited - UC3844BD1R2G

$0.177

Buy

Stock

Break

CN: 1,699

1	$0.177
10	$0.163
100	$0.149
1000	$0.12

Vigor Components - UC3844BD1R2G

$0.62

Buy

Stock

Break

SG: 1,186

1	$0.62
10	$0.62
100	$0.62
1000	$0.62

Semicontronic - UC3844BD1R2G

$17.159

Buy

Stock

Break

US: 151

1	$17.159
10	$17.159
100	$17.159
1000	$17.159

Bison Technologies - UC3844BD1R2G-158278

$0.17

Buy

Stock

Break

CN: 16,350

100	$0.17
1000	$0.17

Bison Technologies - UC3844BD1R2G-270127

$0.17

Buy

Stock

Break

CN: 2,552

100	$0.17
1000	$0.17

NAC Semi - UC3844BD1R2G

Buy

Stock

Break

US: 10,000

Origin Data Global Limited - UC3844BD1R2G

$0.226

Buy

Stock

Break

CN: 10,000

1000

$0.226

Classic Components - UC3844BD1R2G

Buy

Stock

Break

US: 3,850

Decca Corp - UC3844BD1R2G

Buy

Stock

Break

PL: 2,000

XingHuan International - UC3844BD1R2G

Buy

Stock

Break

CN: 17,660

Ampacity Systems - UC3844BD1R2G

Buy

Stock

Break

MY: 3,878

IBS Electronics - UC3844BD1R2G

Buy

Stock

Break

US: 0

Lingto Electronic Ltd. - UC3844BD1R2G

$0.64

Buy

Stock

Break

CN: 21,345

1	$0.64
10	$0.608
100	$0.576
1000	$0.5696

TME - UC3844BD1R2G

$0.464

Buy

Stock

Break

14: 0

1	$0.464
10	$0.464
100	$0.366
1000	$0.28

Sourceability - UC3844BD1R2G

Buy

Stock

Break

US: 3,291

Sourcengine - UC3844BD1R2G

Buy

Stock

Break

US: 2,500

Eastek - UC3844BD1R2G_H

Buy

Stock

Break

TW: 2,500

Abacus Technologies - UC3844BD1R2G

Buy

Stock

Break

US: 0

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Texas Instruments TL2845DG4-8	Not Recommended for New Design
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Texas Instruments UC3844D8G4	Volume Production
Texas Instruments UC2845AQD8	Obsolete
STMicroelectronics E-UC2844BD1	Obsolete
STMicroelectronics E-UC3844BD1	Obsolete
STMicroelectronics E-UC3844BD1013TR	Obsolete
STMicroelectronics UC3845AD1	End of Life
STMicroelectronics UC2844AD1	End of Life
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Texas Instruments UC3845AD8	Obsolete
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