UC3843D - Texas Instruments - Price, Inventory & Datasheets | Heisener.com
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UC3843D

hot UC3843D

UC3843D

For Reference Only

Part Number

UC3843D

Manufacturer

Texas Instruments

Description

IC REG CTRLR MULT TOP 14SOIC

Package

14-SOIC (0.154", 3.90mm Width)

ECAD

In Stock

274,392 piece(s)

Unit Price

$ 1.6759 *

Lead Time

Can Ship Immediately

Estimated Delivery Time

Dec 27 - Jan 1 ( Choose Expedited Shipping)

Request for Quotation

Payment Methods
Delivery Services

Quick Inquiry

UC3843D

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Certified Quality

View the Certificates+

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO 9001 ISO 14001 DUNS Registered Award 1 Award 3 Award 5 Award 4 Special Dealer Enterprises Reference 1 Reference 2 Nation Certificate
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Do you have any question about UC3843D?

Part Number # UC3843D (PMIC - Voltage Regulators - DC DC Switching Controllers) is manufactured by Texas Instrumentsand distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For UC3843Dspecifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add UC3843D with quantity into BOM. Heisener.com does NOT require any registration to request a quote of UC3843D.

UC3843D Specifications

Manufacturer Texas Instruments
Category Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package 14-SOIC (0.154", 3.90mm Width)
ECAD Technical cover
Series -
Output Type Transistor Driver
Function Step-Up, Step-Down, Step-Up/Step-Down
Output Configuration Positive, Isolation Capable
Topology Buck, Boost, Flyback, Forward Converter
Number of Outputs 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 7.6 V ~ 30 V
Frequency - Switching 500kHz
Duty Cycle (Max) 97%
Synchronous Rectifier No
Clock Sync No
Serial Interfaces -
Control Features Frequency Control
Operating Temperature 0°C ~ 70°C (TA)
Package / Case 14-SOIC (0.154", 3.90mm Width)
Supplier Device Package 14-SOIC

UC3843D Reviews

Ricky *****amurthy

April 8, 2023

You guys and girls I can trust and rely on. Thank You All!

Harm*****Davila

March 31, 2023

Excellent company. Product as described. Usually fast and well packed.Very nice.

Mai***** Wu

March 12, 2023

Best organized online supplier, excellent service personnel.

Ley*****Dewan

February 27, 2023

Does what it says. As with this this type of device it is important to have it mounted so that heat can dissipate. The higher the amperage the hotter the device.

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UC3843D FAQ

1. How to order UC3843D on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market,
and our agent will prompt you to finish the order if you accept our offers.

2. How does Heisener guarantee that UC3843D is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test theUC3843D. All suppliers must pass our qualification reviews before they can publish their products including UC3843D on Heisener;we pay more attention to the channels and quality of UC3843Dproducts than any other customer. We strictly implement supplier audits, so you can purchase with confidence.

3. Are the UC3843D price and inventory displayed accurate?

The price and inventory of UC3843D fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.
Warm Tips: Some orders in certain payment forms may require handling fee.

5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.
Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.
Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6.What is the process for return or replacement of UC3843D?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the UC3843D we delivered, we will accept the replacement or return of the UC3843D only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery ofUC3843D.
(3)The PartNo is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations

7.How to contact us to get technical supports, such as UC3843D pin diagram, UC3843D datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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UC3843D Guarantees

Service Guarantee

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantee

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

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Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number Manufacturer Description Stock

UC3843D8TR

D# V72:2272_07428537

Texas Instruments

Current Mode PWM Controller 200mA 500kHz 8-Pin SOIC T/R

RoHS: Compliant
0

UC3843D

D# V36:1790_07428531

Texas Instruments

Current Mode PWM Controller 200mA 500kHz 14-Pin SOIC Tube

RoHS: Compliant
0

UC3843D8G4

D# V36:1790_07428535

Texas Instruments

Current Mode PWM Controller 200mA 500kHz 8-Pin SOIC Tube

RoHS: Compliant
0

UC3843D8

D# V36:1790_07428532

Texas Instruments

Current Mode PWM Controller 200mA 500kHz 8-Pin SOIC Tube

RoHS: Compliant
0

UC3843DTR

D# V72:2272_07428544

Texas Instruments

Current Mode PWM Controller 200mA 500kHz 14-Pin SOIC T/R

RoHS: Compliant
0
Part Number Manufacturer Description Stock

UC3843D

D# UC3843D

Texas Instruments

Current Mode PWM Controller 1A 14-Pin SOIC Tube (Alt: UC3843D)

0
Part Number Manufacturer Description Stock

UC3843D

UNIT

336

UC3843DTR

Unitrode Corporation

4995

UC3843D8

Unitrode Corporation

370
Part Number Manufacturer Description Stock

UC3843DTRG4

Texas Instruments

IC REG CTRLR PWM CM 14SOIC

0

UC3843DG4

Texas Instruments

PWM CONTROLLER CURRENT MODE, SOIC14, Input Voltage:25V, Output Voltage:13.5V, Output Current:1A, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:14, Frequency:500kHz, Operating Temperature , RoHS Compliant: Yes

382

UC3843D

Fairchild Semiconductor Corporation

N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 SOP-14

810

UC3843DX

Fairchild Semiconductor Corporation

N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 SOP-14

810

UC3843D8TRG4

Texas Instruments

(T/R) CUR MODE PWM CONT - Tape and Reel

0

UC3843DTR

Texas Instruments

IC REG CTRLR PWM CM 14SOIC

0

UC3843D8G4

Texas Instruments

IC REG CTRLR PWM CM 8SOIC

0

UC3843D8TR

Texas Instruments

CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:25V, Output Voltage:13.5V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8, Frequency:450kHz , RoHS Compliant: Yes

0

UC3843D8

Texas Instruments

CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:25V, Output Voltage:13.5V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8, Frequency:450kHz , RoHS Compliant: Yes

0
Part Number Manufacturer Description Stock

UC3843D1X

Fairchild Semiconductor Corporation

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

RoHS: Compliant
0
Part Number Manufacturer Description Stock

UC3843DX

D# UC3843DX-ND

ON Semiconductor

IC REG CTRLR 14SOIC

0

UC3843DG4

D# UC3843DG4-ND

Texas Instruments

IC REG CTRLR MULT TOP 14SOIC

0

UC3843D8

D# 296-11287-5-ND

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

681

UC3843DTR

D# 296-46261-1-ND

Texas Instruments

IC REG CTRLR MULT TOP 14SOIC

12

UC3843D8TR

D# 296-46260-1-ND

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

4399

UC3843D8TRG4

D# UC3843D8TRG4-ND

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

0

UC3843D

D# 2156-UC3843D-FS-ND

Rochester Electronics LLC

SWITCHING CONTROLLER

12903

UC3843DR-8

D# 2156-UC3843DR-8-ND

Rochester Electronics LLC

SWITCHING CONTROLLER

22500

UC3843D8G4

D# UC3843D8G4-ND

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

0
Part Number Manufacturer Description Stock

UC3843D013TR

STMicroelectronics

In stock shipping within 2days

5260

UC3843DR

-

In stock shipping within 2days

120

UC3843D8

Texas Instruments

In stock shipping within 2days

342

UC3843D

N

In stock shipping within 2days

4662
Part Number Manufacturer Description Stock

UC3843D8

D# 3008565

Texas Instruments

PWM CONTROLLER, SMD, 3843, SOIC8

RoHS: Compliant
Min Qty: 1
Container: Each
359

UC3843D

D# 1505584

ON Semiconductor

IC, PWM CONTROLLER

RoHS: Compliant
Min Qty: 4860
Container: Each
0
Part Number Manufacturer Description Stock

UC3843D

STMicroelectronics

Stock

320
Part Number Manufacturer Description Stock

UC3843D

STMICR

OEM/CM QUOTES ONLY | NO BROKERS

53550

UC3843D013

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

1767

UC3843DW

UNI

OEM/CM QUOTES ONLY | NO BROKERS

21791

UC3843DB

ORIGINAL

OEM/CM QUOTES ONLY | NO BROKERS

45

UC3843DTR

251

OEM/CM QUOTES ONLY | NO BROKERS

5950

UC3843DR8

Rochester Electronics LLC

OEM/CM QUOTES ONLY | NO BROKERS

26775

UC3843D8SMD

N/A

OEM/CM QUOTES ONLY | NO BROKERS

2509

UC3843D013TR1

STMicroelectronics

OEM/CM QUOTES ONLY | NO BROKERS

2975

UC3843D8

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

4033

UC3843D8TR

TI Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

4605

UC3843D8TRG4

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

5950

UC3843D1X

Fairchild Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

1660

UC3843D013TR

OEM/CM QUOTES ONLY | NO BROKERS

14875

UC3843DR

Texas Instruments

OEM/CM QUOTES ONLY | NO BROKERS

8925

UC3843DX

FAIR

OEM/CM QUOTES ONLY | NO BROKERS

3570
Part Number Manufacturer Description Stock

UC3843D8G4

Texas Instruments

OEM/CM ONLY

242

UC3843D8TRG

Texas Instruments

OEM/CM ONLY

910

UC3843D8SOIC8

Texas Instruments

OEM/CM ONLY

849

UC3843D8C

Texas Instruments

OEM/CM ONLY

391

UC3843D14

Texas Instruments

OEM/CM ONLY

110

TIUC3843D8

Texas Instruments

OEM/CM ONLY

6022

UC3843DTRG4

Texas Instruments

OEM/CM ONLY

230

UC3843DFAIR

Texas Instruments

OEM/CM ONLY

1774

UC3843DG4

Texas Instruments

OEM/CM ONLY

1081

UC3843DB

Texas Instruments

OEM/CM ONLY

598

UC3843DSOP14

Texas Instruments

OEM/CM ONLY

1100

UC3843D1R2G

Texas Instruments

OEM/CM ONLY

4600

UC3843D8TRG4

Texas Instruments

OEM/CM ONLY

902

UC3843D8PR

Texas Instruments

OEM/CM ONLY

871

UC3843DRSOIC14

Texas Instruments

OEM/CM ONLY

656
Part Number Manufacturer Description Stock

UC3843DTR

Texas Instruments

Boost, Buck, Buck-Boost, Flyback, Forward Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down - DC-DC Controller IC 14-SOIC

RoHS: Compliant
2795
Part Number Manufacturer Description Stock

UC3843D

Unitrode Corporation

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

20
Part Number Manufacturer Description Stock

UC3843D

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

36530

UC3843DB

UC

OEM/CM Immediate delivery

855

UC3843DTR

Texas Instruments

OEM/CM Immediate delivery

2795

UC3843DX

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

36530

UC3843D8

Texas Instruments

OEM/CM Immediate delivery

180

UC3843D8TR

Texas Instruments

OEM/CM Immediate delivery

1667

UC3843D013TR

STMicroelectronics

OEM/CM Immediate delivery

30000
Part Number Manufacturer Description Stock

UC3843D8TR

D# 595-UC3843D8TR

Texas Instruments

Switching Controllers Current-Mode PWM Controller

RoHS: Compliant
4009

UC3843DG4

D# 595-UC3843DG4

Texas Instruments

Switching Controllers Current-Mode PWM Controller

RoHS: Compliant
372

UC3843D8TRG4

D# 595-UC3843D8TRG4

Texas Instruments

Switching Controllers Current-Mode PWM Controller

RoHS: Compliant
144

UC3843D

D# 595-UC3843D

Texas Instruments

Switching Controllers Current Mode

RoHS: Compliant
854

UC3843D8G4

D# 595-UC3843D8G4

Texas Instruments

Switching Controllers Current-Mode PWM Controller

RoHS: Compliant
600

UC3843D8

D# 595-UC3843D8

Texas Instruments

Switching Controllers Current Mode

RoHS: Compliant
651

UC3843DTR

D# 595-UC3843DTR

Texas Instruments

Switching Controllers Current-Mode PWM Controller

RoHS: Compliant
771
Part Number Manufacturer Description Stock

UC3843D8 .

D# 20M7804

Texas Instruments

PWM CONTROLLER, SMD, 3843, SOIC8, Input Voltage:15V, Output Voltage:5V, Output Current:1A, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:450kHz, Operating Temperature RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Bulk
4

UC3843D8

D# 29AH8389

Texas Instruments

PWM CONTROLLER, SMD, 3843, SOIC8, Input Voltage:15V, Output Voltage:5V, Output Current:1A, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:450kHz, Operating Temperature RoHS Compliant: Yes

RoHS: Compliant
Min Qty: 1
Container: Bulk
359
Part Number Manufacturer Description Stock

UC3843DTR

D# NS-UC3843DTR

Texas Instruments

OEM/CM ONLY

3675

UC3843D8G4

D# NS-UC3843D8G4

Texas Instruments

OEM/CM ONLY

6232

UC3843D8TR

D# NS-UC3843D8TR

Texas Instruments

OEM/CM ONLY

7416

UC3843D8

D# NS-UC3843D8

Texas Instruments

OEM/CM ONLY

1874

UC3843DTRG4

D# NS-UC3843DTRG4

Texas Instruments

OEM/CM ONLY

2712

UC3843D1

D# NS-UC3843D1

VARIOUS

OEM/CM ONLY

7370

UC3843DG4

D# NS-UC3843DG4

Texas Instruments

OEM/CM ONLY

5539

UC3843DX

D# NS-UC3843DX

Fairchild Semiconductor Corporation

OEM/CM ONLY

4322

UC3843D

D# NS-UC3843D

Texas Instruments

OEM/CM ONLY

1636

UC3843D8TRG4

D# NS-UC3843D8TRG4

Texas Instruments

OEM/CM ONLY

4138
Part Number Manufacturer Description Stock

UC3843DR

Texas Instruments

Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP

551

UC3843D

Unitrode Corporation

Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 14 Pin, Plastic, SOP

10

UC3843DTR

Unitrode Corporation

1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14

3996

UC3843D8TR

Unitrode Corporation

429

UC3843D8

Texas Instruments

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

46
Part Number Manufacturer Description Stock

UC3843D

D# UC3843D

Texas Instruments

Semiconductor

197
Part Number Manufacturer Description Stock

UC3843D8

D# 6615336P

Texas Instruments

Texas Instruments UC3843D8, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin SOIC, TU

Min Qty: 5
Container: Tube
15
Part Number Manufacturer Description Stock

UC3843D8

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant
18159

UC3843DTR

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant
10982

UC3843D8TR

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant
24208

UC3843D

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant
12903

UC3843DR-8

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant
22500

UC3843D8G4

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant
40
Part Number Manufacturer Description Stock

UC3843D8TRG4

Texas Instruments

OEM/CM ONLY

5011

UC3843DX

Fairchild Semiconductor Corporation

OEM/CM ONLY

3016

UC3843D

Fairchild Semiconductor Corporation

OEM/CM ONLY

69422

UC3843D013TR

SGS Semiconductor Ltd

OEM/CM ONLY

12516

UC3843DTR

Texas Instruments

OEM/CM ONLY

10011

UC3843DR

Texas Instruments

OEM/CM ONLY

8205

UC3843D8TR

Texas Instruments

OEM/CM ONLY

3886

UC3843D8

Texas Instruments

OEM/CM ONLY

3099

UC3843D013

STMicroelectronics

OEM/CM ONLY

1501

UC3843D1

Fairchild Semiconductor Corporation

OEM/CM ONLY

115

UC3843DW

Texas Instruments

OEM/CM ONLY

18328

UC3843D8SMD

OEM/CM ONLY

2124

UC3843DB

ORIGINAL

OEM/CM ONLY

54

UC3843D1X

Fairchild Semiconductor Corporation

OEM/CM ONLY

1411
Part Number Manufacturer Description Stock

UC3843DTR

Texas Instruments

IN stock Immediate delivery

2810

UC3843D8TR

Texas Instruments

IN stock Immediate delivery

1682

UC3843D8

Texas Instruments

IN stock Immediate delivery

175

UC3843DB

UC

IN stock Immediate delivery

850

UC3843D

Fairchild Semiconductor Corporation

IN stock Immediate delivery

36515

UC3843DX

Fairchild Semiconductor Corporation

IN stock Immediate delivery

36515

UC3843D013TR

STMicroelectronics

IN stock Immediate delivery

29985
Part Number Manufacturer Description Stock

UC3843DTR

Texas Instruments

Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C

1

UC3843D8TR

Texas Instruments

Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C

106

UC3843D

Texas Instruments

Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C

7

UC3843D8

Texas Instruments

Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle, 0C to 70C

9
Part Number Manufacturer Description Stock

UC3843D8

Texas Instruments

shipping today

6109

UC3843D8TR

Texas Instruments

shipping today

12496

UC3843D013TR

UC

shipping today

558

UC3843D

UC

shipping today

1456

UC3843DR

Texas Instruments

shipping today

2349
Part Number Manufacturer Description Stock

UC3843DTR

D# 36439000

Texas Instruments

Current Mode PWM Controller 200mA 500kHz 14-Pin SOIC T/R

RoHS: Compliant
0
Part Number Manufacturer Description Stock

UC3843D8G4

Texas Instruments

RFQ

3723

UC3843D

Texas Instruments

RFQ

13181

UC3843D8TR

Texas Instruments

RFQ

8024

UC3843D8

Texas Instruments

RFQ

223

UC3843D8 TI

Texas Instruments

RFQ

9365

UC3843D1

Fairchild Semiconductor Corporation

RFQ

7009

UC3843DG4

Texas Instruments

RFQ

1774

UC3843D-8

Texas Instruments

RFQ

4824

UC3843D013TR-1

STMicroelectronics

RFQ

7520

UC3843DB

UC

RFQ

3585
Part Number Manufacturer Description Stock

UC3843D8

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

870

UC3843D8TR

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

14282

UC3843D

Texas Instruments

IC REG CTRLR MULT TOP 14SOIC

4600
Part Number Manufacturer Description Stock

UC3843D8

D# 3008565

Texas Instruments

PWM CONTROLLER, SMD, 3843, SOIC8

RoHS: Compliant
Min Qty: 1
Container: Each
359

UC3843D Tags

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