Name: UC3843AN
Brand: Fairchild/ON Semiconductor
SKU: UC3843AN
Price: 1.4911 USD
Availability: InStock
Rating: 5 (178 reviews)

UC3843AN

For Reference Only

Part Number	UC3843AN
Manufacturer	Fairchild/ON Semiconductor
Description	IC REG CTRLR 8DIP
Datasheet	UC3843AN Datasheet UC3843AN Specifications
Package	8-DIP (0.300", 7.62mm)
ECAD
In Stock	670,008 piece(s)
Unit Price	$ 1.4911 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 22 - May 27 (Choose Expedited Shipping)
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Part Number # UC3843AN (PMIC - Voltage Regulators - DC DC Switching Controllers) is manufactured by Fairchild/ON Semiconductor 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 UC3843AN specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add UC3843AN with quantity into BOM. Heisener.com does NOT require any registration to request a quote of UC3843AN.

UC3843AN Specifications

Manufacturer	Fairchild/ON Semiconductor
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package	8-DIP (0.300", 7.62mm)
ECAD
Series	-
Output Type	Transistor Driver
Function	-
Output Configuration	Positive
Topology	-
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	7.6 V ~ 30 V
Frequency - Switching	Up to 500kHz
Duty Cycle (Max)	96%
Synchronous Rectifier	Yes
Clock Sync	No
Serial Interfaces	-
Control Features	-
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	8-DIP (0.300", 7.62mm)
Supplier Device Package	8-DIP

UC3843AN Datasheet

UC3843AN Reviews

Saylo*****thews

March 30, 2023

★ ★ ★ ★ ★

Absolutely the best source for wire, connectors, terminal strips, panel lights, etc. for model railroaders. Web site is the best in the business.

Mia*****arvey

March 18, 2023

★ ★ ★ ★ ★

Diodes okay. Shipped quick and received with well - packed

Barb*****Wali

March 7, 2023

★ ★ ★ ★ ★

I love your products are well organized. You make it easy to spend $$$! Lol. Keep up the good work folks!

Ros*****armar

March 5, 2023

★ ★ ★ ★ ★

fast delivery and good product, very happy

Sai*****Simon

March 3, 2023

★ ★ ★ ★ ★

Very user friendly to find part and specs. Easy to deal with the transaction for different payment types. Thanks!

Luci*****anch

February 27, 2023

★ ★ ★ ★ ★

The order process is easy and user friendly, very helpful customer service, always fast shipping.

Brig*****offman

February 22, 2023

★ ★ ★ ★ ★

Serves its purpose. All that's needed.

Emel*****anner

February 20, 2023

★ ★ ★ ★ ★

The order has arrived ahead of time, we appreciate it very much!! Thanks

Lei*****rtega

February 19, 2023

★ ★ ★ ★ ★

Fast, Friendly Service. Item as described. Good Communications. Thank You!

Write a Review

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UC3843AN Packaging

UC3843AN FAQ

1. How to order UC3843AN 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 UC3843AN is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the UC3843AN. All suppliers must pass our qualification reviews before they can publish their products including UC3843AN on Heisener; we pay more attention to the channels and quality of UC3843AN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the UC3843AN price and inventory displayed accurate?

The price and inventory of UC3843AN 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 UC3843AN?

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 UC3843AN we delivered, we will accept the replacement or return of the UC3843AN 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 UC3843AN.

(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 UC3843AN pin diagram, UC3843AN datasheet?

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

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UC3843AN 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

UC3843AN

D# V99:2348_07428526

Texas Instruments

Current Mode PWM Controller 5V 1A 500kHz 8-Pin PDIP Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3843AN2

D# UC3843AN2

ON Semiconductor

- Bulk (Alt: UC3843AN2)

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

UC3843AN

ON Semiconductor

Part Number	Manufacturer	Description	Stock
UC3843ANG	Texas Instruments	CURRENT MODE PWM CONTR - PBFREE	0
UC3843AN	Motorola Mobility LLC	Min Qty 7	785
UC3843ANG4	Texas Instruments	CURRENT MODE PWM CONTR - PBFREE	0

Part Number

Manufacturer

Description

Stock

UC3843AN

D# C1S746202185669

Texas Instruments

UCx84xA Current-Mode PWM Controller

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Tube

267

Part Number

Manufacturer

Description

Stock

UC3843AN

Texas Instruments

DIP-8 Switching Controllers RoHS

907

Part Number

Manufacturer

Description

Stock

UC3843AN

Motorola Semiconductor Products

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
UC3843ANG4 D# 2156-UC3843ANG4-ND	Rochester Electronics LLC	UC3843 CURRENT-MODE PWM CONTROLL	191
UC3843AN D# 296-11285-5-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8DIP	470
UC3843AN2 D# 2156-UC3843AN2-ND	Rochester Electronics LLC	SWITCHING CONTROLLER	50
UC3843ANG D# UC3843ANGOS-ND	ON Semiconductor	IC REG CTRLR BUCK 8DIP	0

Part Number

Manufacturer

Description

Stock

UC3843AN

ON Semiconductor

In stock shipping within 2days

12260

Part Number

Manufacturer

Description

Stock

UC3843AN

D# 3008564

Texas Instruments

IC, CURRENT MODE PWM CTRL, 30V, PDIP-8

RoHS: Compliant

Min Qty: 1

Container: Each

738

Part Number	Manufacturer	Description	Stock
UC3843ANG		NEW AND ORGINAL. ISRAEL W.HOUSE	1034
UC3843ANG4		NEW AND ORGINAL. ISRAEL W.HOUSE	1034
UC3843AN		NEW AND ORGINAL. ISRAEL W.HOUSE	1034

Part Number	Manufacturer	Description	Stock
UC3843ANPXAA	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	60
UC3843ANG	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	595
UC3843AN	MOTO	OEM/CM QUOTES ONLY \| NO BROKERS	12852
UC3843AN2	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	60
UC3843ANST	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	114

Part Number	Manufacturer	Description	Stock
UC3843AN2	Texas Instruments	OEM/CM ONLY	261
UC3843ANTI	Texas Instruments	OEM/CM ONLY	346
TL3843PUC3843AND	Texas Instruments	OEM/CM ONLY	949
TL3843PUC3843ANDIP8	Texas Instruments	OEM/CM ONLY	542
UC3843ANG4	Texas Instruments	OEM/CM ONLY	926

Part Number

Manufacturer

Description

Stock

UC3843AN

ON Semiconductor

In stock

Part Number

Manufacturer

Description

Stock

UC3843AN

D# C111742

Texas Instruments

907

Part Number

Manufacturer

Description

Stock

UC3843AN

Fairchild Semiconductor Corporation

in stock - can ship the same day

300

Part Number

Manufacturer

Description

Stock

UC3843AN/UC3843B/U

STMicroelectronics

OEM/CM Immediate delivery

8000

UC3843AN

XBL

OEM/CM Immediate delivery

88580

Part Number

Manufacturer

Description

Stock

UC3843ANG4

D# 595-UC3843ANG4

Texas Instruments

Switching Controllers Current-Mode PWM Controller

RoHS: Compliant

288

UC3843AN

D# 595-UC3843AN

Texas Instruments

Switching Controllers Current Mode

RoHS: Compliant

693

Part Number

Manufacturer

Description

Stock

UC3843AN

D# 28AH6383

Texas Instruments

IC, CURRENT MODE PWM CTRL, 30V, PDIP-8, Input Voltage:25V, Output Voltage:15V, Output Current:1A, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:DIP, No. of Pins:8Pins, Frequency:500kHz, Operating RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

718

Part Number	Manufacturer	Description	Stock
UC3843AN2 D# NS-UC3843AN2	ON Semiconductor	OEM/CM ONLY	7136
UC3843AN2G D# NS-UC3843AN2G	ON Semiconductor	OEM/CM ONLY	1634
UC3843ANG D# NS-UC3843ANG	VARIOUS	OEM/CM ONLY	6246
UC3843ANG4 D# NS-UC3843ANG4	Texas Instruments	OEM/CM ONLY	8817
UC3843AN D# NS-UC3843AN	Texas Instruments	OEM/CM ONLY	1103

Part Number

Manufacturer

Description

Stock

UC3843ANG

ON Semiconductor

SWITCHING CONTROLLER, CURRENT-MODE, 1A, 500KHZ SWITCHING FREQ-MAX, BIPOLAR, PDIP8

500

UC3843AN

ON Semiconductor

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

276

Part Number

Manufacturer

Description

Stock

UC3843AN

D# UC3843AN

Motorola Semiconductor Products

Semiconductor

Part Number

Manufacturer

Description

Stock

UC3843AN

D# 0526842

Texas Instruments

Texas Instruments UC3843AN, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin PDIP, PK

Min Qty: 5

Container: Package

105

Part Number	Manufacturer	Description	Stock
UC3843ANG4	Texas Instruments	UC3843 Current-Mode PWM Controller RoHS: Compliant	191
UC3843AN	Texas Instruments	UC3843 Current-Mode PWM Controller RoHS: Compliant	16919
UC3843AN2	ON Semiconductor	UC3843 Current-Mode PWM Controller RoHS: Not Compliant	50

Part Number	Manufacturer	Description	Stock
UC3843ANST	STMicroelectronics	OEM/CM ONLY	112
UC3843AN PXAA	Motorola Semiconductor Products	OEM/CM ONLY	66
UC3843ANG	ON Semiconductor	OEM/CM ONLY	550
UC3843AN	Texas Instruments	OEM/CM ONLY	9190

Part Number

Manufacturer

Description

Stock

UC3843AN/UC3843B/U

STMicroelectronics

IN stock Immediate delivery

8015

UC3843AN

XBL

IN stock Immediate delivery

88565

Part Number

Manufacturer

Description

Stock

UC3843AN

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

UC3843AN

Motorola Mobility LLC

shipping today

52222

Part Number

Manufacturer

Description

Stock

UC3843AN

D# 53360399

Texas Instruments

Current Mode PWM Controller 5V 1A 500kHz 8-Pin PDIP Tube

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
UC3843AN	Texas Instruments	RFQ	12959
UC3843AN-TI	Texas Instruments	RFQ	7996
UC3843ANG4	Texas Instruments	RFQ	1627

Part Number

Manufacturer

Description

Stock

UC3843AN

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8DIP

2474

Part Number

Manufacturer

Description

Stock

UC3843AN

D# 3008564

Texas Instruments

IC, CURRENT MODE PWM CTRL, 30V, PDIP-8

RoHS: Compliant

Min Qty: 1

Container: Each

738

Quick Inquiry

UC3843AN

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