Name: UC3843BDR2
Brand: ON Semiconductor
SKU: UC3843BDR2
Availability: InStock
Rating: 5 (178 reviews)

UC3843BDR2

For Reference Only

Part Number	UC3843BDR2
Manufacturer	ON Semiconductor
Description	IC REG CTRLR FLYBACK 14SOIC
Datasheet	UC3843BDR2 Datasheet UC3843BDR2 Specifications
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	7,200 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # UC3843BDR2 (PMIC - Voltage Regulators - DC DC Switching Controllers) is manufactured by 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 UC3843BDR2 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add UC3843BDR2 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of UC3843BDR2.

UC3843BDR2 Specifications

Manufacturer	ON Semiconductor
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
Series	-
Output Type	Transistor Driver
Function	Step-Up/Step-Down
Output Configuration	Positive, Isolation Capable
Topology	Flyback
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	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package	14-SOIC

UC3843BDR2 Datasheet

UC3843BDR2 Reviews

Joel*****hander

April 9, 2023

★ ★ ★ ★ ★

I always enjoy shopping with Heisener, never disappoint me, most dependable, and no long waiting for deliveries.

Will*****armon

March 21, 2023

★ ★ ★ ★ ★

Works just like the original one and even has the correct connectors installed.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

UC3843BDR2 Packaging

UC3843BDR2 FAQ

1. How to order UC3843BDR2 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 UC3843BDR2 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the UC3843BDR2. All suppliers must pass our qualification reviews before they can publish their products including UC3843BDR2 on Heisener; we pay more attention to the channels and quality of UC3843BDR2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the UC3843BDR2 price and inventory displayed accurate?

The price and inventory of UC3843BDR2 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 UC3843BDR2?

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 UC3843BDR2 we delivered, we will accept the replacement or return of the UC3843BDR2 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 UC3843BDR2.

(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 UC3843BDR2 pin diagram, UC3843BDR2 datasheet?

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

UC3843BDR2 Related Products

ABM10W-23.5120MHZ-4-K2Z-T3	Abracon LLC, CRYSTAL 23.5120MHZ 4PF SMT, 4-SMD, No Lead, -	View
VJ1812A470JBFAT4X	Vishay Vitramon, CAP CER 47PF 2KV NP0 1812, 1812 (4532 Metric), -	View
NVMFS5833NWFT3G	ON Semiconductor, MOSFET N-CH 40V SO8FL, 8-PowerTDFN, -	View
LTC3569IFE#TRPBF	Linear Technology, IC REG BCK ADJ TRPL SYNC 16TSSOP, 16-TSSOP (0.173", 4.40mm Width) Exposed Pad, -	View
200MDP2T2B7M1QEH	E-Switch, SWITCH TOGGLE DPDT 3A 120V, -, -	View
WSK1206R0290FEA18	Vishay Dale, RES SMD 0.029 OHM 1% 1/2W 1206, 1206 (3216 Metric), -	View
HKQ0603W0N7B-T	Taiyo Yuden, FIXED IND 0.7NH 850MA 70 MOHM, 0201 (0603 Metric), -	View
282181-1	TE Connectivity AMP Connectors, FLAG FASTON RCPT .250SRS, -, -	View
HDWM-14-54-G-D-280-SM	Samtec Inc., .050" BOARD SPACERS, -, -	View
PX0575/10/PC	Bulgin, PWR ENT RCPT IEC320-C14 PNL SLDR, -, -	View
MS3101E22-20SY	Amphenol Industrial Operations, ER 9C 9#16 SKT RECP, -, -	View
DTS26W15-19JB	TE Connectivity Deutsch Connectors, CONN PLUG 19POS STRGHT W/SKT, -, -	View

UC3843BDR2 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

UC3843BDR2G

D# V72:2272_07297017

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N T/R

RoHS: Compliant

UC3843BDG

D# V79:2366_22403223

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

D# UC3843BDR2G

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC T/R - Bulk (Alt: UC3843BDR2G)

UC3843BDG

D# UC3843BDG

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC Rail - Rail/Tube (Alt: UC3843BDG)

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

D# UC3843BDR2G

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC T/R (Alt: UC3843BDR2G)

Part Number

Manufacturer

Description

Stock

UC3843BDG

D# UC3843BDG

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC Rail (Alt: UC3843BDG)

UC3843BDR2G

D# UC3843BDR2G

ON Semiconductor

Current Mode PWM Controller 1A 14-Pin SOIC T/R (Alt: UC3843BDR2G)

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

ON Semiconductor

1599

UC3843BDG

ON Semiconductor

323

Part Number	Manufacturer	Description	Stock
UC3843BDR2G	ON Semiconductor	IC REG CTRLR PWM CM 14-SOIC	0
UC3843BDR2	ON Semiconductor	IC REG CTRLR PWM CM 14-SOIC	0
UC3843BDG	ON Semiconductor	IC, CURRENT MODE PWM CTRL, 25V, SOIC-14	1980

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

ON Semiconductor

High Performance Current Mode Controllers

2426

Part Number

Manufacturer

Description

Stock

UC3843BDR2

ON Semiconductor

N/A (ship within 1day) - D/C 2005

Part Number	Manufacturer	Description	Stock
UC3843BDG D# UC3843BDGOS-ND	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	691
UC3843BDR2 D# UC3843BDR2-ND	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	0
UC3843BDR2G D# UC3843BDR2GOSCT-ND	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	889

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

ON Semiconductor

In stock shipping within 2days

1660

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

D# 2845219RL

ON Semiconductor

PWM CONT, CURRENT MODE, 500KHZ, SOIC-14

RoHS: Compliant

Min Qty: 5

Container: Reel

UC3843BDG

D# 2318548

ON Semiconductor

PWM CNTRL, 30V, 250KHZ, 5VREF, 14SOIC

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

ON Semiconductor

UC3843B Series 5.25 V 275 kHz High Performance Current Mode Controller - SOIC-14

RoHS: Compliant

pbFree: Yes

10000

Part Number	Manufacturer	Description	Stock
UC3843BDR2	ON SEMICONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	113
UC3843BDR2G	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	10887
UC3843BDG	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	5950

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

ON Semiconductor

OEM/CM Immediate delivery

1660

UC3843BDG

ON Semiconductor

OEM/CM Immediate delivery

Part Number

Manufacturer

Description

Stock

UC3843BDG

D# 863-UC3843BDG

ON Semiconductor

Switching Controllers ANA SMPS PWM CNTRL

RoHS: Compliant

1152

Part Number

Manufacturer

Description

Stock

UC3843BDG

D# XSKDRABV0039065

ON SEMICONDUCTOR

ANA SMPS PWM CONTROLLER

605

UC3843BDR2G

D# XSFP00000067877

ON SEMICONDUCTOR

UC3843B Series 5.25 V 275 kHz High Performance Current Mode Controller - SOIC-14

15000

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

D# 38AH3119

ON Semiconductor

ANA SMPS PWM CONTROLLER ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 2500

Container: TAPE & REEL - FULL

UC3843BDG

D# 90W0907

ON Semiconductor

PWM CTRL, 500KHZ, 0 TO 70DEG C, 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:14Pins, Frequency:500kHz, Product Range:- RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

Part Number	Manufacturer	Description	Stock
UC3843BDR2 D# NS-UC3843BDR2	ON Semiconductor	OEM/CM ONLY	9449
UC3843BDR2G D# NS-UC3843BDR2G	ON Semiconductor	OEM/CM ONLY	1810
UC3843BDG D# NS-UC3843BDG	ON Semiconductor	OEM/CM ONLY	1449

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

ON Semiconductor

2000

UC3843BDR2

ON Semiconductor

Part Number

Manufacturer

Description

Stock

UC3843BDG

ON Semiconductor

UC3843 Current-Mode PWM Controller

RoHS: Compliant

2820

UC3843BDR2G

ON Semiconductor

UC3843 Current-Mode PWM Controller

RoHS: Compliant

27741

Part Number	Manufacturer	Description	Stock
UC3843BDG	ON Semiconductor	OEM/CM ONLY	449
UC3843BDR2G	ON Semiconductor	OEM/CM ONLY	5016
UC3843BDR2	ON Semiconductor	OEM/CM ONLY	111

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

ON Semiconductor

IN stock Immediate delivery

1675

UC3843BDG

ON Semiconductor

IN stock Immediate delivery

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

ON Semiconductor

shipping today

2836

Part Number

Manufacturer

Description

Stock

UC3843BDG

D# 25633090

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

mfr

RFQ

8721

UC3843BDG

ON Semiconductor

RFQ

2313

Part Number	Manufacturer	Description	Stock
UC3843BDR2G	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	10000
UC3843BDG	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	2268
UC3843BDR2	ON Semiconductor	High Performance Current Mode Controllers \| IC REG CTRLR FLYBACK 14SOIC	3400

Part Number

Manufacturer

Description

Stock

UC3843BDR2G

D# 2845219

ON Semiconductor

PWM CONT, CURRENT MODE, 500KHZ, SOIC-14

RoHS: Compliant

Min Qty: 5

Container: Cut Tape

UC3843BDG

D# 2318548

ON Semiconductor

PWM CNTRL, 30V, 250KHZ, 5VREF, 14SOIC

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

UC3843BDR2

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