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UC3844BD1

UC3844BD1
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For Reference Only

Part Number UC3844BD1
OEMstron Part # UC3844BD1
Manufacturer STMicroelectronics
Category SemiconductorsPower Management ICsVoltage Regulators - DC DC Switching Controllers
Description IC REG CTRLR BST FLYBK ISO 8-SO
Lifecycle Active
RoHS No RoHS Information
EDA/CAD Models UC3844BD1 PCB Footprint and Symbol
Warehouses USA, Europe, China, Hong Kong SAR
Estimated Delivery Apr 30 - May 5 (Choose Expedited Shipping)
Warranty Up to 1 year [Limited-Warranty]*
Payment Wire Transfer, UnionPay, PayPal, Credit Card, Visa, MasterCard, AmericanExpress, Discover, WesternUnion, MoneyGram
Shipping DHL, UPS, FedEx, TNT, EMS, & More Express Delivery

UC3844BD1 Specifications

Part Number UC3844BD1
Brand STMicroelectronics
Lifecycle Active
RoHS No RoHS Information
Product Line Semiconductors
Category Power Management ICs
Subcategory Voltage Regulators - DC DC Switching Controllers
Manufacturer STMicroelectronics
Series -
Output Type Transistor Driver
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive
Topology Boost, Flyback
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 10V ~ 30V
Frequency - Switching Up to 500kHz
Duty Cycle (Max) 48%
Synchronous Rectifier No
Clock Sync No
Serial Interfaces -
Control Features Frequency Control
Operating Temperature 0°C ~ 70°C (TJ)
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO

UC3844BD1 Documents

UC3844BD1, UC3844BD1 Datasheet (Total Pages: 15, Size: 233.69 KB)
E-UC3845BN Datasheet CoverE-UC3845BN Datasheet Page 2E-UC3845BN Datasheet Page 3E-UC3845BN Datasheet Page 4E-UC3845BN Datasheet Page 5E-UC3845BN Datasheet Page 6E-UC3845BN Datasheet Page 7E-UC3845BN Datasheet Page 8E-UC3845BN Datasheet Page 9E-UC3845BN Datasheet Page 10E-UC3845BN Datasheet Page 11E-UC3845BN Datasheet Page 12E-UC3845BN Datasheet Page 13E-UC3845BN Datasheet Page 14
Industry Leaders in Quality

Industry Leaders in Quality

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And trust is based on quality.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number Description Stock

UC3844BD1

D# E02:0323_00205670

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N Tube

RoHS: Compliant
Europe - 7352

UC3844BD1013TR

D# V36:1790_06568304

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

RoHS: Compliant
Americas - 5000

UC3844BD1G

D# P40:2555_14469524

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Tube

RoHS: Compliant
Europe - 5566

UC3844BD1R2G

D# V72:2272_07310857

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R

RoHS: Compliant
Americas - 1913
Part Number Description Stock

UC3844BD1

D# UC3844BD1

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N - Rail/Tube (Alt: UC3844BD1)

Americas - 0

E-UC3844BD1

D# E-UC3844BD1

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N - Rail/Tube (Alt: E-UC3844BD1)

RoHS: Compliant
Americas - 0

E-UC3844BD1013TR

D# E-UC3844BD1013TR

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N T/R - Tape and Reel (Alt: E-UC3844BD1013TR)

RoHS: Compliant
Americas - 0

UC3844BD1013TR

D# UC3844BD1013TR

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N T/R - Tape and Reel (Alt: UC3844BD1013TR)

Americas - 0

UC3844BD1G

D# UC3844BD1G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N Rail - Rail/Tube (Alt: UC3844BD1G)

Americas - 21756

UC3844BD1R2G

D# UC3844BD1R2G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Bulk (Alt: UC3844BD1R2G)

Americas - 493963
Part Number Description Stock

UC3844BD1013TR

D# UC3844BD1013TR

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N T/R (Alt: UC3844BD1013TR)

Asia - 0

UC3844BD1R2G

D# UC3844BD1R2G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3844BD1R2G)

Asia - 0
Part Number Description Stock

UC3844BD1

D# UC3844BD1

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N (Alt: UC3844BD1)

Europe - 100

UC3844BD1013TR

D# UC3844BD1013TR

STMicroelectronics

Current Mode PWM Controller 1A 8-Pin SO N T/R (Alt: UC3844BD1013TR)

Europe - 6200

UC3844BD1G

D# UC3844BD1G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N Rail (Alt: UC3844BD1G)

Europe - 1208

UC3844BD1R2G

D# UC3844BD1R2G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3844BD1R2G)

Europe - 0
Part Number Description Stock

UC3844BD1

STMicroelectronics

27

UC3844BD1013TR

STMicroelectronics

50
Part Number Description Stock

UC3844BD1

ON Semiconductor

N/A 1 A SWITCHING CONTROLLER, 275 kHz SWITCHING FREQ-MAX, PDSO8 SOIC-8

880

E-UC3844BD1

STMicroelectronics

IC REG CTRLR BST FLYBK ISO 8SOIC

Contact Us

UC3844BD1013TR

STMicroelectronics

Min Qty 393

5000

UC3844BD1G

ON Semiconductor

ANA SMPS PWM CONTROLLER

4508

UC3844BD1R2

ON Semiconductor

IC REG CTRLR PWM CM 8-SOIC

2500

UC3844BD1R2G

ON Semiconductor

- Tape and Reel

5000
Part Number Description Stock

UC3844BD1G

D# C1S541900428098

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N Tube

RoHS: Compliant
pbFree: Yes
Min Qty: 5
Container: Bulk
1364
Part Number Description Stock

UC3844BD1013TR

STMicroelectronics

SOIC-8_150mil Switching Controllers RoHS

114268

UC3844BD1R2G

ON Semiconductor

Converter Offline Flyback Topology Up to 500kHz 8-SOIC

8
Part Number Description Stock

UC3844BD1013TR

STMicroelectronics

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO8

RoHS: Not Compliant
Europe - 215
Part Number Description Stock

UC3844BD1

D# 497-18661-ND

STMicroelectronics

IC REG CTRLR BST FLYBK ISO 8-SO

3652 In Stock

E-UC3844BD1

D# E-UC3844BD1-ND

STMicroelectronics

IC REG CTRLR BST FLYBK ISO 8SOIC

Limited Supply - Call

UC3844BD1013TR

D# 497-3682-2-ND

STMicroelectronics

IC REG CTRLR BST FLYBK ISO 8SOIC

Temporarily Out of Stock

UC3844BD1G

D# UC3844BD1GOS-ND

ON Semiconductor

IC REG CTRLR PWM CM 8-SOIC

208 In Stock

UC3844BD1R2

D# UC3844BD1R2-ND

ON Semiconductor

IC REG CTRLR PWM CM 8-SOIC

Limited Supply - Call

UC3844BD1R2G

D# UC3844BD1R2GOSCT-ND

ON Semiconductor

IC REG CTRLR PWM CM 8-SOIC

57 In Stock
Part Number Description Stock

UC3844BD1

STMicroelectronics

In stock shipping within 2days

1962

UC3844BD1013TR

STMicroelectronics

In stock shipping within 2days

25525

UC3844BD1G

ON Semiconductor

In stock shipping within 2days

508

UC3844BD1R2

In stock shipping within 2days

2500
Part Number Description Stock

UC3844BD1

D# 3132656

STMicroelectronics

PWM CONTROLLER, 500KHZ, 0 TO 70DEG C

RoHS: Compliant
Min Qty: 1
Container: Each
2721

UC3844BD1013TR

D# 2849825

STMicroelectronics

PWM CONT, CURRENT MODE, 500KHZ, SOIC-8

RoHS: Compliant
Min Qty: 5
Container: Each
1974

UC3844BD1G

D# 1211129

ON Semiconductor

IC, CURRENT MODE CNTRL, 25V, SOIC-8

RoHS: Compliant
Min Qty: 1
Container: Each
2088

UC3844BD1R2G

D# 2845220RL

ON Semiconductor

PWM CONT, CURRENT MODE, 52KHZ, SOIC-8

RoHS: Compliant
Min Qty: 5
Container: Reel
0
Part Number Description Stock

UC3844BD1

STMicroelectronics

UC3844B Series 250 kHz High Performance Current Mode PWM Controller - SOIC-8

RoHS: Compliant
pbFree: Yes
0 Tube

UC3844BD1013TR

STMicroelectronics

UC3844B Series 250 kHz High Performance Current Mode PWM Controller - SOIC-8

RoHS: Compliant
pbFree: Yes
2200 Cut Type/Mini-Reel

UC3844BD1G

ON Semiconductor

UC3844B Series 36 V 275 kHz High Performance Current Mode Controller - SOIC-8

RoHS: Compliant
pbFree: Yes
58 Tube

UC3844BD1R2G

ON Semiconductor

UC3844B Series 17 mA 275 kHz High Performance Current Mode Controller - SOIC-8

RoHS: Compliant
pbFree: Yes
28900 Cut Type/Mini-Reel
Part Number Description Stock

UC3844BD1R2GG

ON Semiconductor

OEM/CM QUOTES ONLY | NO BROKERS

5920

UC3844BD1

STMICROELECTRONICS

OEM/CM QUOTES ONLY | NO BROKERS

4998

2UC3844BD1013TR

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

7876

UC3844BD1013TR

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

91330

UC3844BD1G

ON Semiconductor

OEM/CM QUOTES ONLY | NO BROKERS

5301

UC3844BD1R2

ON Semiconductor

OEM/CM QUOTES ONLY | NO BROKERS

32491

UC3844BD1GR

N/A

OEM/CM QUOTES ONLY | NO BROKERS

165

EUC3844BD1

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

101

EUC3844BD1013TR

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

1030

UC3844BD13TR

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

251

UC3844BD1R2G

ON Semiconductor

OEM/CM QUOTES ONLY | NO BROKERS

19814
Part Number Description Stock

UC3844BD1TR5LF

Texas Instruments

OEM/CM ONLY

317

UC3844BD1R2GUC3844D8TRG4

Texas Instruments

OEM/CM ONLY

949
Part Number Description Stock

UC3844BD1013TR

D# C10640

STMicroelectronics

114258

UC3844BD1R2G

D# C7117

ON Semiconductor

7068
Part Number Description Stock

UC3844BD1

ON Semiconductor

in stock - can ship the same day

392
Part Number Description Stock

UC3844BD1

STMicroelectronics

OEM/CM Immediate delivery

1754

UC3844BD1013TR

STMicroelectronics

OEM/CM Immediate delivery

35624

UC3844BD1G

ON Semiconductor

OEM/CM Immediate delivery

2213

UC3844BD1R2

ON Semiconductor

OEM/CM Immediate delivery

1899

UC3844BD1R2G

ON Semiconductor

OEM/CM Immediate delivery

22750
Part Number Description Stock

UC3844BD1

D# 511-UC3844BD1

STMicroelectronics

Switching Controllers PWM CONTROLLER

RoHS: Compliant
6123

UC3844BD1013TR

D# 511-UC3844BD1013TR

STMicroelectronics

Switching Controllers 0.5mA Current Mode

RoHS: Compliant
2244

UC3844BD1G

D# 863-UC3844BD1G

ON Semiconductor

Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max

RoHS: Compliant
1121

UC3844BD1R2G

D# 863-UC3844BD1R2G

ON Semiconductor

Switching Controllers 52kHz 1A Current PWM w/48% Duty Cycle Max

RoHS: Compliant
2021
Part Number Description Stock

UC3844BD1

D# XSFP00000195331

STMicroelectronics

UC3844B Series 250 kHz High Performance Current Mode PWM Controller - SOIC-8

1500

UC3844BD1013TR

D# XSFP00000156031

STMicroelectronics

UC3844B Series 250 kHz High Performance Current Mode PWM Controller - SOIC-8

1188

UC3844BD1G

D# XSKDRABV0029529

ON SEMICONDUCTOR

UC3844B Series 36 V 275 kHz High Performance Current Mode Controller - SOIC-8

1012

UC3844BD1R2G

D# XSFP00000078617

ON SEMICONDUCTOR

UC3844B Series 17 mA 275 kHz High Performance Current Mode Controller - SOIC-8

23256
Part Number Description Stock

UC3844BD1

D# 64AH9079

STMicroelectronics

PWM CONTROLLER, 500KHZ, 0 TO 70DEG C, Input Voltage:30V, Output Voltage:-, Output Current:1A, Supply Voltage Min:-, Supply Voltage Max:-, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:500kHz, Operating Temperature RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 5
Container: Bulk
2688

UC3844BD1013TR

D# 51AC9706

STMicroelectronics

PWM CONT, CURRENT MODE, 500KHZ, SOIC-8, Input Voltage:15V, Output Voltage:5V, Output Current:1A, Supply Voltage Min:-, Supply Voltage Max:-, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:500kHz, Operating Temperature RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 5
Container: Bulk
1974

UC3844BD1G

D# 45J2384

ON Semiconductor

CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:-, Output Voltage:13.4V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:52kHz, Product Range:-RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Bulk
16

UC3844BD1G.

D# 30AC2252

ON Semiconductor

CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:-, Output Voltage:13.4V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:52kHz, Product Range:-RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 2058
Container: Bulk
0

UC3844BD1R2G

D# 45J2385

ON Semiconductor

IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,SOP,8PIN,PLASTIC ROHS COMPLIANT: YES

RoHS: Compliant
Min Qty: 2500
Container: TAPE & REEL - FULL
0
Part Number Description Stock

UC3844BD1

D# NS-UC3844BD1

ON Semiconductor

OEM/CM ONLY

8139

UC3844BD1013TR

D# NS-UC3844BD1013TR

STMicroelectronics

OEM/CM ONLY

17575

UC3844BD1G

D# NS-UC3844BD1G

ON Semiconductor

OEM/CM ONLY

2608

UC3844BD1R2

D# NS-UC3844BD1R2

ON Semiconductor

OEM/CM ONLY

7874

UC3844BD1R2G

D# NS-UC3844BD1R2G

ON Semiconductor

OEM/CM ONLY

2663
Part Number Description Stock

UC3844BD1

Motorola Semiconductor Products

Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 8 Pin, Plastic, SOP

83

UC3844BD1013TR

STMicroelectronics

1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO8

2874
Part Number Description Stock

UC3844BD1G

D# 0463464

ON Semiconductor

ON Semiconductor UC3844BD1G, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin SOIC, PK

Min Qty: 10
Container: Package
730
Part Number Description Stock

UC3844BD1G

ON Semiconductor

UC3844 Current-Mode PWM Controller

RoHS: Compliant
9330

UC3844BD1R2G

ON Semiconductor

UC3844 Current-Mode PWM Controller

RoHS: Compliant
493963
Part Number Description Stock

UC3844BD1013TR

D# ICPWM8435

STMicroelectronics

SMPS SO-8 SMD

RoHS: Compliant
Stock DE - 7500 Stock HK - 0 Stock US - 0
Part Number Description Stock

UC3844BD1R2GG

ON Semiconductor

OEM/CM ONLY

4986

UC3844BD1

SGS Semiconductor Ltd

OEM/CM ONLY

1266

2UC3844BD1013TR

STMicroelectronics

OEM/CM ONLY

7065

UC3844BD1013TR

STMicroelectronics

OEM/CM ONLY

27687

UC3844BD1G

ON Semiconductor

OEM/CM ONLY

297

UC3844BD1R2

ON Semiconductor

OEM/CM ONLY

27319

UC3844BD1GR

N/A

OEM/CM ONLY

155

EUC3844BD1

STMicroelectronics

OEM/CM ONLY

104

EUC3844BD1013TR

STMicroelectronics

OEM/CM ONLY

1005

UC3844BD13TR

STMicroelectronics

OEM/CM ONLY

227

UC3844BD1R2G

ON Semiconductor

OEM/CM ONLY

25016
Part Number Description Stock

UC3844BD1

STMicroelectronics

IN stock Immediate delivery

1769

UC3844BD1013TR

STMicroelectronics

IN stock Immediate delivery

35609

UC3844BD1G

ON Semiconductor

IN stock Immediate delivery

2228

UC3844BD1R2

ON Semiconductor

IN stock Immediate delivery

1914

UC3844BD1R2G

ON Semiconductor

IN stock Immediate delivery

22735
Part Number Description Stock

UC3844BD1

STMicroelectronics

shipping today

199696

UC3844BD1013TR

STMicroelectronics

shipping today

12496

UC3844BD1G

ON Semiconductor

shipping today

61

UC3844BD1R2

ON Semiconductor

shipping today

5450

UC3844BD1R2G

ON Semiconductor

shipping today

147559
Part Number Description Stock

UC3844BD1

D# 53535870

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N Tube

RoHS: Compliant
Americas - 7352

UC3844BD1013TR

D# 36354976

STMicroelectronics

Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R

RoHS: Compliant
Americas - 5000

UC3844BD1G

D# 26621953

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Tube

RoHS: Compliant
Americas - 18522

UC3844BD1R2G

D# 51435862

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R

RoHS: Compliant
Americas - 17500
Part Number Description Stock

UC3844BD1013TR

mfr

RFQ

97

UC3844BD1G

ON Semiconductor

RFQ

405
Part Number Description Stock

UC3844BD1

STMicroelectronics

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

1390

UC3844BD1013TR

STMicroelectronics

IC REG CTRLR BST FLYBK ISO 8SOIC

217313

UC3844BD1G

ON Semiconductor

IC REG CTRLR PWM CM 8-SOIC

3400

UC3844BD1R2G

ON Semiconductor

IC REG CTRLR PWM CM 8-SOIC

202410
Part Number Description Stock

UC3844BD1

D# 3132656

STMicroelectronics

PWM CONTROLLER, 500KHZ, 0 TO 70DEG C

RoHS: Compliant
Min Qty: 5
Container: Each
2688

UC3844BD1013TR

D# 2849825

STMicroelectronics

PWM CONT, CURRENT MODE, 500KHZ, SOIC-8

RoHS: Compliant
Min Qty: 1
Container: Each
1974

UC3844BD1G

D# 1211129

ON Semiconductor

IC, CURRENT MODE CNTRL, 25V, SOIC-8

RoHS: Compliant
Min Qty: 1
Container: Each
2186

UC3844BD1R2G

D# 2845220

ON Semiconductor

PWM CONT, CURRENT MODE, 52KHZ, SOIC-8

RoHS: Compliant
Min Qty: 5
Container: Cut Tape
9

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Pricing (USD)

Qty.Unit PriceExt. Price
1$ 0.0000$ 0.0000
100$ 0.0000$ 0.0000
500$ 0.0000$ 0.0000
1000$ 0.0000$ 0.0000
2500$ 0.0000$ 0.0000

OEMstron will offer the most competitive prices for you, please refer to the quotations.

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