Name: UC3845N
Brand: ON Semiconductor
SKU: UC3845N_1D8
Price: 1.677 USD
Availability: InStock
Rating: 5 (186 reviews)

UC3845N

For Reference Only

Part Number	UC3845N
Manufacturer	ON Semiconductor
Description	IC REG CTRLR BOOST/FLYBACK 8DIP
Datasheet	UC3845N Specifications
Package	8-DIP (0.300", 7.62mm)
ECAD
In Stock	223,524 piece(s)
Unit Price	$ 1.6770 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 12 - Jun 17 (Choose Expedited Shipping)
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Part Number # UC3845N (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 UC3845N specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add UC3845N with quantity into BOM. Heisener.com does NOT require any registration to request a quote of UC3845N.

UC3845N Specifications

Manufacturer	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	Step-Up, Step-Up/Step-Down
Output Configuration	Positive or Negative, Isolation Capable
Topology	Boost, Flyback
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	7.6 V ~ 30 V
Frequency - Switching	500kHz
Duty Cycle (Max)	48%
Synchronous Rectifier	No
Clock Sync	No
Serial Interfaces	-
Control Features	Frequency Control
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	8-DIP (0.300", 7.62mm)
Supplier Device Package	8-PDIP

UC3845N Reviews

Domi*****Lester

April 1, 2023

★ ★ ★ ★ ★

Item came in time and looks as described.

Lind*****Vaughn

March 30, 2023

★ ★ ★ ★ ★

I bought this for myself, and liked it so much. I also bought one for a friend.

Cas*****atla

March 15, 2023

★ ★ ★ ★ ★

Fast shipping. Got it in few dayss from Hong Kong

Camer*****ander

March 9, 2023

★ ★ ★ ★ ★

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.

Dar***** Bera

March 5, 2023

★ ★ ★ ★ ★

All of the components worked, and are still working. So even though the price is amazingly low, the diodes really do work!

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UC3845N Packaging

UC3845N FAQ

1. How to order UC3845N 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 UC3845N is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the UC3845N. All suppliers must pass our qualification reviews before they can publish their products including UC3845N on Heisener; we pay more attention to the channels and quality of UC3845N products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the UC3845N price and inventory displayed accurate?

The price and inventory of UC3845N 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 UC3845N?

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 UC3845N we delivered, we will accept the replacement or return of the UC3845N 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 UC3845N.

(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 UC3845N pin diagram, UC3845N datasheet?

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

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UC3845N 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

UC3845N

D# V99:2348_07428644

Texas Instruments

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3845NG4

D# UC3845NG4

Texas Instruments

Current Mode PWM Controller 1A 8-Pin PDIP Tube - Rail/Tube (Alt: UC3845NG4)

Part Number

Manufacturer

Description

Stock

UC3845NG4

UNIT

280

UC3845N

STMicroelectronics

365

Part Number	Manufacturer	Description	Stock
UC3845NG	ON Semiconductor	N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8 LEAD FREE, PLASTIC, DIP-8	130
UC3845N	Fairchild Semiconductor Corporation	N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDIP8 PLASTIC, DIP-8	12189
UC3845NG4	Texas Instruments	PWM CONTROLLER CURRENT MODE, PDIP8	277

Part Number

Manufacturer

Description

Stock

UC3845N

Fairchild Semiconductor Corporation

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

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
UC3845N D# 296-11620-5-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8DIP	695
UC3845NG D# UC3845NGOS-ND	ON Semiconductor	IC REG CTRLR BOOST/FLYBACK 8DIP	0
UC3845NG4 D# UC3845NG4-ND	Texas Instruments	IC REG CTRLR MULT TOPOLOGY 8DIP	0

Part Number	Manufacturer	Description	Stock
UC3845NG	ON Semiconductor	In stock shipping within 2days	519
UC3845N	Texas Instruments	In stock shipping within 2days	13260
UC3845NG4	N	In stock shipping within 2days	128

Part Number

Manufacturer

Description

Stock

UC3845N .

D# 1652444

Texas Instruments

IC, CONTROLLER, PWM

RoHS: Compliant

Min Qty: 1

Container: Each

719

UC3845N

D# 3123562

Texas Instruments

IC, CONTROLLER, PWM

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number	Manufacturer	Description	Stock
UC3845N8	UNI	OEM/CM QUOTES ONLY \| NO BROKERS	14
UC3845N	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	19854
UC3845N93	DIP	OEM/CM QUOTES ONLY \| NO BROKERS	231
UC3845NG4	UNIT	OEM/CM QUOTES ONLY \| NO BROKERS	333
UC3845NG	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	119

Part Number	Manufacturer	Description	Stock
UC3845NG4	Texas Instruments	OEM/CM ONLY	956
UC3845N8	NXP Semiconductors	OEM/CM ONLY	112
UC3845NTI	Texas Instruments	OEM/CM ONLY	321
UC3845NONDIP8P	Texas Instruments	OEM/CM ONLY	108
UC3845NF	Texas Instruments	OEM/CM ONLY	621
UC3845NPDIP8	Texas Instruments	OEM/CM ONLY	197
UC3845NFAIR	Texas Instruments	OEM/CM ONLY	115
TL3845PUC3845NU	Texas Instruments	OEM/CM ONLY	495

Part Number

Manufacturer

Description

Stock

UC3845N

Texas Instruments

Part Number

Manufacturer

Description

Stock

UC3845N

ST Microwave Corporation

In stock

240

Part Number

Manufacturer

Description

Stock

UC3845N

ON Semiconductor

Regulator Output DC-DC Controller IC

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3845N

Philips Semiconductors

in stock - can ship the same day

Part Number

Manufacturer

Description

Stock

UC3845NG

ON Semiconductor

OEM/CM Immediate delivery

519

UC3845N

ON\\ST\\HY

OEM/CM Immediate delivery

8000

Part Number

Manufacturer

Description

Stock

UC3845NG4

D# 595-UC3845NG4

Texas Instruments

Switching Controllers Current-Mode PWM Controller

RoHS: Compliant

493

UC3845N

D# 595-UC3845N

Texas Instruments

Switching Controllers Current Mode PWM

RoHS: Compliant

1191

Part Number

Manufacturer

Description

Stock

UC3845N

D# 35K5056

Texas Instruments

CURRENT MODE PWM CONTROLLER, 25V, 8-DIP, Input Voltage:25V, Output Voltage:13.5V, Output Current:1A, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:DIP, No. of Pins:8Pins, Frequency:450kHz, Product Range:- RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 550

Container: Bulk

Part Number	Manufacturer	Description	Stock
UC3845N D# NS-UC3845N	Texas Instruments	OEM/CM ONLY	5851
UC3845NG4 D# NS-UC3845NG4	Texas Instruments	OEM/CM ONLY	5213
UC3845NG D# NS-UC3845NG	VARIOUS	OEM/CM ONLY	1360

Part Number

Manufacturer

Description

Stock

UC3845N

Texas Instruments

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

240

Part Number

Manufacturer

Description

Stock

UC3845N

D# UC3845N

Unitrode Corporation

Semiconductor

3505

Part Number

Manufacturer

Description

Stock

UC3845N

D# 6608089

Texas Instruments

Texas Instruments UC3845N, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin PDIP, PK

Min Qty: 5

Container: Package

195

Part Number

Manufacturer

Description

Stock

UC3845N

ON Semiconductor

UC3845 Current Mode PWM Controller

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
UC3845NG	ON Semiconductor	OEM/CM ONLY	207
UC3845NG4	Texas Instruments	OEM/CM ONLY	296
UC3845N	Fairchild Semiconductor Corporation	OEM/CM ONLY	42020
UC3845N 93	DIP	OEM/CM ONLY	210

Part Number

Manufacturer

Description

Stock

UC3845NG

ON Semiconductor

IN stock Immediate delivery

514

UC3845N

ON\\ST\\HY

IN stock Immediate delivery

8015

Part Number

Manufacturer

Description

Stock

UC3845N

Texas Instruments

Single ended 500KHz current mode PWM controller with 8.4V/7.6V UVLO 50% duty cycle, 0C to 70C

Part Number

Manufacturer

Description

Stock

UC3845N

Uunitrode

shipping today

4065

UC3845NG

ON Semiconductor

shipping today

1349

Part Number

Manufacturer

Description

Stock

UC3845N

D# 42250378

Texas Instruments

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

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3845NG4

Texas Instruments

RFQ

5674

UC3845N

Texas Instruments

RFQ

1404

Part Number

Manufacturer

Description

Stock

UC3845N

Texas Instruments

IC REG CTRLR MULT TOPOLOGY 8DIP

9306

Part Number

Manufacturer

Description

Stock

UC3845N

D# 3123562

Texas Instruments

IC, CONTROLLER, PWM

RoHS: Compliant

Min Qty: 1

Container: Each

UC3845N .

D# 1652444

Texas Instruments

IC, CONTROLLER, PWM

RoHS: Compliant

Min Qty: 1

Container: Each

617

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UC3845N

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