UC3845BN

STMicroelectronics
UC3845BN
Volume Production
STMICROELECTRONICS - UC3845BN - PWM CONTROLEUR 3845 DIP8 - Farnell Current Mode PWM Controller 1A 8-Pin Mini-PDIP Tube - Arrow Electronics Switching Controllers 0.5mA Current Mode - Mouser See more descriptions See less descriptions

Case/Package	DIP
Clock Sync	No
Duty Cycle	50%
Fall Time	50ns
Frequency	250kHz
Height	3.32mm
Lead Free	Lead Free
Length	10.92mm
Max Duty Cycle	50%
Max Frequency	500kHz
Max Operating Temperature	150°C
Min Operating Temperature	-40°C
Max Power Dissipation	1.25W
Max Supply Current	17mA
Max Supply Voltage	25V
Min Supply Voltage	12V
Mount	Through Hole
Number of Output Phases	1
Number of Outputs	1
Number of Pins	8
Output Current	1A
Output Voltage	5V
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
Synchronous Rectifier	No
Tolerance	2%
Topology	Boost, Flyback
Width	6.6mm

Verical

Datasheet (pdf, 233.7 KB)

Element14

Datasheet (pdf, 233.7 KB)

Digikey

Datasheet (pdf, 233.7 KB)

Mouser

Datasheet (pdf, 233.7 KB)

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Authorized Distributors

Arrow Electronics - UC3845BN

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US: 8,000

Verical - UC3845BN

$0.3884

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US: 3,336

100	$0.3884
1000	$0.3884

Mouser - 511-UC3845BN

$0.67

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Stock

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US: 3,027

1	$0.67
10	$0.533
100	$0.456
1000	$0.392

Future Electronics - 2145932

$0.405

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Stock

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CA: 2,950

1	$0.405
10	$0.405
100	$0.395
1000	$0.39

TME - UC3845BN

$0.494

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14: 578

1	$0.494
10	$0.385
100	$0.299
1000	$0.25

Digikey - 497-14808-5-ND

$0.91

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Stock

Break

US: 678

1	$0.91
10	$0.652
100	$0.5164
1000	$0.4455

Newark - 24M1676

$0.805

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Stock

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US: 0

1	$0.805
10	$0.552
100	$0.541
1000	$0.52

Avnet - UC3845BN

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US: 0

Anglia - UC3845BN

£0.223

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Stock

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GB: 400

100	£0.223
1000	£0.201

Farnell - 9882928

£0.558

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Stock

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GB: 4,200

1	£0.558
10	£0.353
100	£0.344
1000	£0.327

Element14 - 9882928

S$1.01

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Stock

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SG: 4,200

1	S$1.01
10	S$0.638
100	S$0.619
1000	S$0.579

Associate Distributors

Component Stockers USA - UC3845BN

$0.19

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Stock

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US: 8,956

1	$0.19
10	$0.19
100	$0.38
1000	$0.40

Weyland Electronics Group Pte. Ltd. - UC3845BN

€0.161

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Stock

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SG: 10,037

1	€0.161
10	€0.161
100	€0.161
1000	€0.161

Win Source - UC3845BN

$0.2114

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Stock

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CN: 82,650

1000

$0.2114

Tactical IC USA - UC3845BN

$6.13

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Stock

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US: 1,530

100	$6.13
1000	$6.13

RX Electronics Limited - UC3845BN

$0.429

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Stock

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CN: 58,550

10	$0.429
100	$0.338
1000	$0.31

Fmall Co. Limited - UC3845BN

$0.8035

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Stock

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HK: 16,810

1	$0.8035
10	$0.8035
100	$0.7517
1000	$0.7085

Corohmni - UC3845BN

$1.403

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Stock

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US: 344

1	$1.403
10	$1.403
100	$1.403
1000	$1.403

LCSC - C5175

¥3.3217

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Stock

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CN: 26,177

1	¥3.3217
10	¥2.5841
100	¥1.8794
1000	¥1.7113

Epart123 - UC3845BN

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Stock

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CN: 6,000

Suntronic - UC3845BN

$0.404

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Stock

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CN: 50,389

10	$0.404
100	$0.318
1000	$0.292

CXDA Electronics - UC3845BN

$0.396

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Stock

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HK: 48,573

10	$0.396
100	$0.36
1000	$0.322

Chipsmall Limited - UC3845BN

$0.5355

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Stock

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CN: 40,000

1	$0.5355
10	$0.357
100	$0.2142
1000	$0.1785

SHENGYU ELECTRONICS - UC3845BN

$0.4455

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Stock

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CN: 31,076

1	$0.4455
10	$0.4366
100	$0.4232
1000	$0.4099

Lixinc - UC3845BN

$0.92

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Stock

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CN: 17,609

1	$0.92
10	$0.92
100	$0.7574
1000	$0.7574

Bettlink - UC3845BN

$0.2747

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Stock

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HK: 8,597

1	$0.2747
10	$0.2497
100	$0.2291
1000	$0.1982

LZChips - UC3845BN

$0.918

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Stock

Break

CN: 1,382

1	$0.918
10	$0.828
100	$0.787
1000	$0.748

J3 - UC3845BN

$8.07

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Stock

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US: 1,000

1	$8.07
10	$8.07
100	$8.07
1000	$8.07

Jameco - 2308247

$0.35

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Stock

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US: 419

1	$0.35
10	$0.25
100	$0.19
1000	$0.19

Vigor Components - UC3845BN

$0.92

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Stock

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SG: 383

1	$0.92
10	$0.92
100	$0.92
1000	$0.92

Semicontronic - UC3845BN

$12.224

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Stock

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US: 282

1	$12.224
10	$12.224
100	$12.224
1000	$12.224

ALLICDATA ELECTRONICS - UC3845BN

$0.5481

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Stock

Break

HK: 195

1	$0.5481
10	$0.5101
100	$0.4611
1000	$0.3828

Cytech Systems - UC3845BN

$1.296

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Stock

Break

CN: 50

1	$1.296
10	$1.2182
100	$1.1534
1000	$1.0886

Origin Data Global Limited - UC3845BN

$0.212

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Stock

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CN: 102,700

1000

$0.212

Bison Technologies - UC3845BN-197903

$0.21

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Stock

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CN: 2,212

100	$0.21
1000	$0.21

Bison Technologies - UC3845BN-255971

$0.21

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Stock

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CN: 2,160

100	$0.21
1000	$0.21

Bison Technologies - UC3845BN-186703

$0.21

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Stock

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CN: 518

100	$0.21
1000	$0.21

Classic Components - UC3845BN

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Stock

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US: 424

Decca Corp - UC3845BN

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Stock

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PL: 500

XingHuan International - UC3845BN

Buy

Stock

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CN: 8,380

IBS Electronics - UC3845BN

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Stock

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US: 0

Lingto Electronic Ltd. - UC3845BN

$0.98

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Stock

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CN: 15,380

1	$0.98
10	$0.931
100	$0.882
1000	$0.8722

Eastek - UC3845BN_H

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Stock

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TW: 19,500

Eastek - UC3845BN_G

Buy

Stock

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TW: 4,050

Sourceability - UC3845BN

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Stock

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US: 6,236

Chip One Stop - UC3845BN

¥3.6725

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Stock

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JP: 6,500

100	¥3.6725
1000	¥2.4634

Conrad - 3028019

€0.82

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Stock

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DE: In stock

1	€0.82
10	€0.82
100	€0.82
1000	€0.82

AAA CHIPS - UC3845BN

$0.1404

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Stock

Break

HK: 2,386

1	$0.1404
10	$0.1363
100	$0.1322
1000	$0.1322

Schukat - UC3845N

€0.2996

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Stock

Break

DE: 1,125

100	€0.2996
1000	€0.2664

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