Name: UC3843AD8
Brand: Texas Instruments
SKU: UC3843AD8
Price: 1.1986 USD
Availability: InStock
Rating: 5 (71 reviews)

UC3843AD8

For Reference Only

Part Number	UC3843AD8
Manufacturer	Texas Instruments
Description	IC REG CTRLR MULT TOPOLOGY 8SOIC
Datasheet	UC3843AD8 Specifications
Package	8-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	377,076 piece(s)
Unit Price	$ 1.1986 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
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Part Number # UC3843AD8 (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 UC3843AD8 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add UC3843AD8 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of UC3843AD8.

UC3843AD8 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)	96%
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

UC3843AD8 Reviews

Cla*****rias

March 21, 2023

★ ★ ★ ★ ★

The specs range is wide for a selection and the customer service is great.

Bost*****oyal

March 18, 2023

★ ★ ★ ★ ★

Completely satisfied of UC3843AD8 , I always find what I need. The site is easy to get the components .

East*****annan

March 13, 2023

★ ★ ★ ★ ★

Awesome selection! Great service for whatever electronic parts you want! Prices are competitive as well. Thank you!

Amay*****lass

March 7, 2023

★ ★ ★ ★ ★

Purchased this in May and didn't use it until last week. worked and all was good.

Adeli*****llard

March 6, 2023

★ ★ ★ ★ ★

Very good, fast shipping, super reliable seller.

Rica*****Leach

February 25, 2023

★ ★ ★ ★ ★

Perfect! Nice components, professional service!

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UC3843AD8 Packaging

UC3843AD8 FAQ

1. How to order UC3843AD8 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 UC3843AD8 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the UC3843AD8. All suppliers must pass our qualification reviews before they can publish their products including UC3843AD8 on Heisener; we pay more attention to the channels and quality of UC3843AD8 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the UC3843AD8 price and inventory displayed accurate?

The price and inventory of UC3843AD8 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 UC3843AD8?

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 UC3843AD8 we delivered, we will accept the replacement or return of the UC3843AD8 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 UC3843AD8.

(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 UC3843AD8 pin diagram, UC3843AD8 datasheet?

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

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UC3843AD8 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
UC3843AD8TR D# V72:2272_07428516	Texas Instruments	Current Mode PWM Controller 5V 1A 500kHz 8-Pin SOIC T/R RoHS: Compliant	0
UC3843AD8 D# V36:1790_07428510	Texas Instruments	Current Mode PWM Controller 5V 1A 500kHz 8-Pin SOIC Tube RoHS: Compliant	0
UC3843ADG4 D# V36:1790_07428520	Texas Instruments	UCx84xA Current-Mode PWM Controller RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

UC3843AD8TR

Texas Instruments

2473

UC3843AD8

Unitrode Corporation

228

Part Number	Manufacturer	Description	Stock
UC3843AD8TRG4	Texas Instruments	(T/R) CUR MODE PWM CONT - Tape and Reel	0
UC3843AD8	Texas Instruments	Min Qty 5	1190
UC3843AD8TR	Texas Instruments	Min Qty 5	1190
UC3843ADG4	Texas Instruments	CURRENT MODE PWM CONTR - PBFREE	0
UC3843AD8G4	Texas Instruments	CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:25V, Output Voltage:15V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8, Frequency:450kHz, Packaging:Each , RoHS Compliant: Yes	0

Part Number	Manufacturer	Description	Stock
UC3843ADG4 D# 296-36172-5-ND	Texas Instruments	IC REG CTRLR MULT TOP 14SOIC	555
UC3843AD8TR D# 296-27152-1-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8SOIC	8378
UC3843AD8 D# 296-11284-5-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8SOIC	756
UC3843AD8G4 D# UC3843AD8G4-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8SOIC	0
UC3843AD8TRG4 D# UC3843AD8TRG4-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8SOIC	0

Part Number

Manufacturer

Description

Stock

UC3843AD8

In stock shipping within 2days

762

UC3843AD8TR

Texas Instruments

In stock shipping within 2days

1402

Part Number

Manufacturer

Description

Stock

UC3843AD8TR

D# 3008562RL

Texas Instruments

IC, CURRENT MODE PWM CTRL, 25V, 8-SOIC

RoHS: Compliant

Min Qty: 1

Container: Reel

UC3843AD8

D# 3123548

Texas Instruments

PWM CONTROLLER, SMD, 3843, SOIC8

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number	Manufacturer	Description	Stock
UC3843AD8TRG4	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	45
UC3843ADG4	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	595
UC3843AD8G4	UNITRODE INTEGRATED CIRCU	OEM/CM QUOTES ONLY \| NO BROKERS	179
UC3843AD8	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	2107
UC3843AD8TR	TI / UNITRODE	OEM/CM QUOTES ONLY \| NO BROKERS	10294

Part Number	Manufacturer	Description	Stock
UC3843AD8TRG4	Texas Instruments	OEM/CM ONLY	315
UC3843AD8TRTI	Texas Instruments	OEM/CM ONLY	756
UC3843AD8TRDC0501	Texas Instruments	OEM/CM ONLY	746
UC3843ADG4	Texas Instruments	OEM/CM ONLY	1096
UC3843AD8TG	Microchip Technology Inc	OEM/CM ONLY	314
UC3843AD8G4	Texas Instruments	OEM/CM ONLY	182

Part Number

Manufacturer

Description

Stock

UC3843AD8

Unitrode Corporation

In stock

228

UC3843AD8TR

Texas Instruments

In stock

2473

Part Number

Manufacturer

Description

Stock

UC3843AD8TR

Texas Instruments

Boost, Buck, Flyback, Forward Regulator Positive, Isolation Capable Output Step-Up, Step-Down, Step-Up/Step-Down - DC-DC Controller IC 8-SOIC

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3843AD8

Texas Instruments

OEM/CM Immediate delivery

1771

UC3843AD8TR

Texas Instruments

OEM/CM Immediate delivery

2437

Part Number	Manufacturer	Description	Stock
UC3843AD8G4 D# 595-UC3843AD8G4	Texas Instruments	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	415
UC3843AD8TR D# 595-UC3843AD8TR	Texas Instruments	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	3650
UC3843AD8 D# 595-UC3843AD8	Texas Instruments	Switching Controllers Current Mode RoHS: Compliant	488
UC3843ADG4 D# 595-UC3843ADG4	Texas Instruments	Switching Controllers Current-Mode PWM Controller RoHS: Compliant	312

Part Number

Manufacturer

Description

Stock

UC3843AD8

D# 77C3303

Texas Instruments

CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:25V, Output Voltage:5V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:500kHz, Product Range:-RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 600

Container: Bulk

UC3843AD8TR

D# 17AH9453

Texas Instruments

IC, CURRENT MODE PWM CTRL, 25V, 8-SOIC, Input Voltage:25V, Output Voltage:15V, Output Current:1A, Supply Voltage Min:7.6V, Supply Voltage Max:30V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:500kHz, Operating RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2815

Part Number	Manufacturer	Description	Stock
UC3843ADG4 D# NS-UC3843ADG4	Texas Instruments	OEM/CM ONLY	1674
UC3843AD8TR D# NS-UC3843AD8TR	Texas Instruments	OEM/CM ONLY	16692
UC3843AD8 D# NS-UC3843AD8	Texas Instruments	OEM/CM ONLY	3162
UC3843AD8G4 D# NS-UC3843AD8G4	Texas Instruments	OEM/CM ONLY	9997
UC3843AD8TRG4 D# NS-UC3843AD8TRG4	Texas Instruments	OEM/CM ONLY	2547

Part Number

Manufacturer

Description

Stock

UC3843AD8

Texas Instruments

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

Part Number

Manufacturer

Description

Stock

UC3843AD8TR

D# UC3843AD8TR

Texas Instruments

Semiconductor

2468

Part Number

Manufacturer

Description

Stock

UC3843AD8

D# 6615333P

Texas Instruments

Texas Instruments UC3843AD8, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin SOIC, TU

Min Qty: 5

Container: Tube

125

Part Number

Manufacturer

Description

Stock

UC3843AD8

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant

119

UC3843AD8TR

Texas Instruments

UC3843 Current-Mode PWM Controller

RoHS: Compliant

162

Part Number	Manufacturer	Description	Stock
UC3843AD8G4	Texas Instruments	OEM/CM ONLY	185
UC3843AD8	Texas Instruments	OEM/CM ONLY	1872
UC3843AD8TR	Texas Instruments	OEM/CM ONLY	56162
UC3843AD8TRG4	Texas Instruments	OEM/CM ONLY	54
UC3843ADG4	Texas Instruments	OEM/CM ONLY	511

Part Number

Manufacturer

Description

Stock

UC3843AD8

Texas Instruments

IN stock Immediate delivery

1786

UC3843AD8TR

Texas Instruments

IN stock Immediate delivery

2452

Part Number

Manufacturer

Description

Stock

UC3843AD8TR

Texas Instruments

30-V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0°C to 70°C

UC3843AD8

Texas Instruments

30-V, 1A, 500KHz current mode PWM controller with 8.4V/7.6V UVLO 100% duty cycle 0°C to 70°C

Part Number	Manufacturer	Description	Stock
UC3843ADG4	Texas Instruments	shipping today	86
UC3843AD8	Texas Instruments	shipping today	7696
UC3843AD8TR	Texas Instruments	shipping today	5996

Part Number

Manufacturer

Description

Stock

UC3843AD8TR

D# 53677816

Texas Instruments

Current Mode PWM Controller 5V 1A 500kHz 8-Pin SOIC T/R

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3843AD8G4

Texas Instruments

RFQ

6824

UC3843ADG4

Texas Instruments

RFQ

9539

Part Number

Manufacturer

Description

Stock

UC3843AD8TR

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

15058

UC3843AD8

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8SOIC

900

Part Number

Manufacturer

Description

Stock

UC3843AD8TR

D# 3008562

Texas Instruments

IC, CURRENT MODE PWM CTRL, 25V, 8-SOIC

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2824

UC3843AD8

D# 3123548

Texas Instruments

PWM CONTROLLER, SMD, 3843, SOIC8

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

UC3843AD8

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