Name: UC3843D8
Brand: Texas Instruments
SKU: UC3843D8
Price: 1.7469 USD
Availability: InStock
Rating: 5 (75 reviews)

UC3843D8

For Reference Only

Part Number	UC3843D8
Manufacturer	Texas Instruments
Description	IC REG CTRLR MULT TOPOLOGY 8SOIC
Datasheet	UC3843D8 Specifications
Package	8-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	477,540 piece(s)
Unit Price	$ 1.7469 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 2 - May 7 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # UC3843D8 (PMIC - Voltage Regulators - DC DC Switching Controllers) is manufactured by Texas Instruments and 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 UC3843D8 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add UC3843D8 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of UC3843D8.

UC3843D8 Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package	8-SOIC (0.154", 3.90mm Width)
ECAD
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	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC

UC3843D8 Reviews

Kay*****Palla

April 9, 2023

★ ★ ★ ★ ★

Excellent service and product arrives in reasonable shipping rates. Well done!

Aria*****Mckay

March 14, 2023

★ ★ ★ ★ ★

To be honest, I think you are doing an outstanding job.

Prisci*****lentine

March 3, 2023

★ ★ ★ ★ ★

Absolutely the finest source for electric components, connectors, terminal strips, panel lights, etc. The website online ordering system makes a easy business.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

UC3843D8 Packaging

UC3843D8 FAQ

1. How to order UC3843D8 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 UC3843D8 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the UC3843D8. All suppliers must pass our qualification reviews before they can publish their products including UC3843D8 on Heisener; we pay more attention to the channels and quality of UC3843D8 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the UC3843D8 price and inventory displayed accurate?

The price and inventory of UC3843D8 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 UC3843D8?

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 UC3843D8 we delivered, we will accept the replacement or return of the UC3843D8 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 of UC3843D8.

(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 UC3843D8 pin diagram, UC3843D8 datasheet?

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

UC3843D8 Related Products

2225J1K50122KXR	Knowles Syfer, CAP CER 2225, -, -	View
SR155A151FAATR1	AVX Corporation, CAP CER 150PF 50V NP0 RADIAL, Radial, -	View
LM4132BMF-3.0/NOPB	Texas Instruments, IC VREF SERIES 3V SOT23-5, SC-74A, SOT-753, -	View
LTC6915IGN#PBF	Linear Technology, IC OPAMP INSTR 200KHZ RRO 16SSOP, 16-SSOP (0.154", 3.90mm Width), -	View
MA1.5KE82AE3	Microsemi Corporation, TVS DIODE 70.1VWM 113VC DO204AR, DO-204AR, Axial, -	View
3KP100C	Littelfuse Inc., TVS DIODE 100VWM 170.1VC AXIAL, P600, Axial, -	View
IEGH66-27889-3-V	Sensata Technologies/Airpax, CIR BRKR MAG-HYDR LEVER, -, -	View
PPT0010GRF2VA	Honeywell Microelectronics & Precision Sensors, PRESSURE TRANSDUCER, Module Cube, -	View
CMF55265K00BEEA	Vishay Dale, RES 265K OHM 1/2W 0.1% AXIAL, Axial, -	View
PAT0603E3830BST1	Vishay Thin Film, RES SMD 383 OHM 0.1% 0.15W 0603, 0603 (1608 Metric), -	View
FTSH-150-02-F-MT	Samtec Inc., .050'' X .050 TERMINAL STRIP, -, -	View
10123982-101LF	Amphenol FCI, ARRAY FEMALE 320POS GOLD SMD, -, -	View

UC3843D8 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

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

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.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
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
UC3843D8TR D# V72:2272_07428537	Texas Instruments	Current Mode PWM Controller 200mA 500kHz 8-Pin SOIC T/R RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

UC3843D8

Unitrode Corporation

370

Part Number	Manufacturer	Description	Stock
UC3843D8TRG4	Texas Instruments	(T/R) CUR MODE PWM CONT - Tape and Reel	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
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
UC3843D8 D# 296-11287-5-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8SOIC	681
UC3843D8TRG4 D# UC3843D8TRG4-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8SOIC	0
UC3843DG4 D# UC3843DG4-ND	Texas Instruments	IC REG CTRLR MULT TOP 14SOIC	0
UC3843D8G4 D# UC3843D8G4-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8SOIC	0
UC3843D8TR D# 296-46260-1-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8SOIC	4399

Part Number

Manufacturer

Description

Stock

UC3843D8

Texas Instruments

In stock shipping within 2days

342

Part Number

Manufacturer

Description

Stock

UC3843D8

D# 3008565

Texas Instruments

PWM CONTROLLER, SMD, 3843, SOIC8

RoHS: Compliant

Min Qty: 1

Container: Each

359

Part Number	Manufacturer	Description	Stock
UC3843D8TR	TI Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	4605
UC3843D8SMD	N/A	OEM/CM QUOTES ONLY \| NO BROKERS	2509
UC3843D8	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	4033
UC3843D8TRG4	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	5950

Part Number	Manufacturer	Description	Stock
UC3843D8SOIC8	Texas Instruments	OEM/CM ONLY	849
TIUC3843D8	Texas Instruments	OEM/CM ONLY	6022
UC3843D8TRG4	Texas Instruments	OEM/CM ONLY	902
UC3843DG4	Texas Instruments	OEM/CM ONLY	1081
UC3843D8G4	Texas Instruments	OEM/CM ONLY	242
UC3843D8TRG	Texas Instruments	OEM/CM ONLY	910
UC3843D8C	Texas Instruments	OEM/CM ONLY	391
UC3843D8PR	Texas Instruments	OEM/CM ONLY	871

Part Number

Manufacturer

Description

Stock

UC3843D8TR

Texas Instruments

OEM/CM Immediate delivery

1667

UC3843D8

Texas Instruments

OEM/CM Immediate delivery

180

Part Number	Manufacturer	Description	Stock
UC3843D8 D# 595-UC3843D8	Texas Instruments	Switching Controllers Current Mode RoHS: Compliant	651
UC3843D8TR D# 595-UC3843D8TR	Texas Instruments	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	4009
UC3843D8TRG4 D# 595-UC3843D8TRG4	Texas Instruments	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	144
UC3843D8G4 D# 595-UC3843D8G4	Texas Instruments	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	600
UC3843DG4 D# 595-UC3843DG4	Texas Instruments	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	372

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

UC3843D8

D# 29AH8389

Texas Instruments

RoHS: Compliant

Min Qty: 1

Container: Bulk

359

Part Number	Manufacturer	Description	Stock
UC3843D8 D# NS-UC3843D8	Texas Instruments	OEM/CM ONLY	1874
UC3843D8TRG4 D# NS-UC3843D8TRG4	Texas Instruments	OEM/CM ONLY	4138
UC3843DG4 D# NS-UC3843DG4	Texas Instruments	OEM/CM ONLY	5539
UC3843D8G4 D# NS-UC3843D8G4	Texas Instruments	OEM/CM ONLY	6232
UC3843D8TR D# NS-UC3843D8TR	Texas Instruments	OEM/CM ONLY	7416

Part Number

Manufacturer

Description

Stock

UC3843D8TR

Unitrode Corporation

429

UC3843D8

Texas Instruments

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

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

Part Number	Manufacturer	Description	Stock
UC3843D8	Texas Instruments	UC3843 Current-Mode PWM Controller RoHS: Compliant	18159
UC3843D8G4	Texas Instruments	UC3843 Current-Mode PWM Controller RoHS: Compliant	40
UC3843D8TR	Texas Instruments	UC3843 Current-Mode PWM Controller RoHS: Compliant	24208

Part Number	Manufacturer	Description	Stock
UC3843D8	Texas Instruments	OEM/CM ONLY	3099
UC3843D8TRG4	Texas Instruments	OEM/CM ONLY	5011
UC3843D8SMD		OEM/CM ONLY	2124
UC3843D8TR	Texas Instruments	OEM/CM ONLY	3886

Part Number

Manufacturer

Description

Stock

UC3843D8

Texas Instruments

IN stock Immediate delivery

175

UC3843D8TR

Texas Instruments

IN stock Immediate delivery

1682

Part Number

Manufacturer

Description

Stock

UC3843D8TR

Texas Instruments

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

106

UC3843D8

Texas Instruments

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

Part Number

Manufacturer

Description

Stock

UC3843D8TR

Texas Instruments

shipping today

12496

UC3843D8

Texas Instruments

shipping today

6109

Part Number	Manufacturer	Description	Stock
UC3843DG4	Texas Instruments	RFQ	1774
UC3843D8G4	Texas Instruments	RFQ	3723
UC3843D8	Texas Instruments	RFQ	223
UC3843D8 TI	Texas Instruments	RFQ	9365
UC3843D-8	Texas Instruments	RFQ	4824
UC3843D8TR	Texas Instruments	RFQ	8024

Part Number

Manufacturer

Description

Stock

UC3843D8TR

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

14282

UC3843D8

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

870

Part Number

Manufacturer

Description

Stock

UC3843D8

D# 3008565

Texas Instruments

PWM CONTROLLER, SMD, 3843, SOIC8

RoHS: Compliant

Min Qty: 1

Container: Each

359

Quick Inquiry

UC3843D8

Certified Quality

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.

ISO9001:2015, ICAS, IAF, UKAS