Name: L4973D3.3
Brand: STMicroelectronics
SKU: L4973D3-3
Price: 5.595 USD
Availability: InStock
Rating: 5 (117 reviews)

L4973D3.3

For Reference Only

Part Number	L4973D3.3
Manufacturer	STMicroelectronics
Description	IC REG BUCK ADJ/3.3V 3.5A SOIC20
Datasheet	L4973D3.3 Datasheet L4973D3.3 Specifications
Package	20-SOIC (0.295", 7.50mm Width)
ECAD
In Stock	111,120 piece(s)
Unit Price	$ 5.5950 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 21 - Apr 26 (Choose Expedited Shipping)
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Payment Methods
Delivery Services

Part Number # L4973D3.3 (PMIC - Voltage Regulators - DC DC Switching Regulators) is manufactured by STMicroelectronics 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 L4973D3.3 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add L4973D3.3 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of L4973D3.3.

L4973D3.3 Specifications

Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators
Package	20-SOIC (0.295", 7.50mm Width)
ECAD
Series	-
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Adjustable (Fixed)
Number of Outputs	1
Voltage - Input (Min)	8V
Voltage - Input (Max)	55V
Voltage - Output (Min/Fixed)	0.5V (3.3V)
Voltage - Output (Max)	50V
Current - Output	3.5A
Frequency - Switching	100kHz ~ 300kHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295", 7.50mm Width)
Supplier Device Package	20-SO

L4973D3.3 Datasheet

L4973D3.3 Reviews

Gibs*****dkins

April 7, 2023

★ ★ ★ ★ ★

Super easy search and order process. Lots of Shipping and Payment Options, you can always find the best way for the purchase.

Zuri *****tensen

March 23, 2023

★ ★ ★ ★ ★

It's so nice to have all these babies. I was using so many for projects, I decided to buy these. They'll definitely last me a while!

Talo*****rres

March 14, 2023

★ ★ ★ ★ ★

★★★★★ Nice Item, Shipped Fast And As Promised! ★★★★★ THANKS!!!!! ★★★★★

Mela*****Stone

March 9, 2023

★ ★ ★ ★ ★

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

Hail*****wens

February 27, 2023

★ ★ ★ ★ ★

Very effective shopping path, service steady as a rock, keep up the great work.

Abram*****yanan

February 24, 2023

★ ★ ★ ★ ★

Arrived promptly, carefully packaged, as described, many thanks

Write a Review

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L4973D3.3 Packaging

L4973D3.3 FAQ

1. How to order L4973D3.3 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 L4973D3.3 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the L4973D3.3. All suppliers must pass our qualification reviews before they can publish their products including L4973D3.3 on Heisener; we pay more attention to the channels and quality of L4973D3.3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the L4973D3.3 price and inventory displayed accurate?

The price and inventory of L4973D3.3 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 L4973D3.3?

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 L4973D3.3 we delivered, we will accept the replacement or return of the L4973D3.3 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 L4973D3.3.

(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 L4973D3.3 pin diagram, L4973D3.3 datasheet?

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

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L4973D3.3 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

L4973D3.3-013TR

D# V36:1790_06548024

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 0.5V to 50V 3.5A 20-Pin SO T/R

RoHS: Compliant

L4973D3.3

D# V99:2348_18455492

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 0.5V to 50V 3.5A 20-Pin SO Tube

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
L4973D3.3-013TR D# L4973D3.3-013TR	STMicroelectronics	Conv DC-DC Single Step Down 8V to 55V 20-Pin SO T/R - Tape and Reel (Alt: L4973D3.3-013TR)	0
L4973D3.3 D# L4973D3.3	STMicroelectronics	Conv DC-DC Single Step Down 8V to 55V 20-Pin SO Tube - Rail/Tube (Alt: L4973D3.3)	0
E-L4973D3.3 D# E-L4973D3.3	STMicroelectronics	Conv DC-DC Single Step Down 8V to 55V 20-Pin SO Tube - Rail/Tube (Alt: E-L4973D3.3) RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

L4973D3.3

D# L4973D3.3

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 20-Pin SO Tube (Alt: L4973D3.3)

L4973D3.3-013TR

D# L4973D3.3-013TR

STMicroelectronics

Conv DC-DC Single Step Down 8V to 55V 20-Pin SO T/R (Alt: L4973D3.3-013TR)

Part Number

Manufacturer

Description

Stock

L4973D3.3

STMicroelectronics

Min Qty 34

1360

L4973D3.3-013TR

STMicroelectronics

Min Qty 1000

Part Number

Manufacturer

Description

Stock

L4973D33

STMicroelectronics

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

D# 497-3358-2-ND

STMicroelectronics

IC REG BUCK ADJ/3.3V 3.5A 20SO

1000

L4973D3.3

D# 497-19597-ND

STMicroelectronics

IC REG BUCK ADJ/3.3V 3.5A 20SO

957

Part Number	Manufacturer	Description	Stock
L4973D3.3-TR	STMicroelectronics	In stock shipping within 2days	372
L4973D3.3	STMicroelectronics	In stock shipping within 2days	145
L4973D3.3-013TR	STMicroelectronics	In stock shipping within 2days	5260

Part Number

Manufacturer

Description

Stock

L4973D3.3

D# 2460728

STMicroelectronics

DC/DC CONV, BUCK, 100KHZ, SOIC-20

RoHS: Compliant

Min Qty: 1

Container: Each

947

Part Number

Manufacturer

Description

Stock

L4973D3.3

STMicroelectronics

L4973 Series 3.5 A Step Down Monolithic Power Switching Regulator - SOIC-20

RoHS: Compliant

pbFree: Yes

L4973D3.3-013TR

STMicroelectronics

SO 20 .30 TO JEDEC MS-013

RoHS: Compliant

pbFree: Yes

2000

Part Number	Manufacturer	Description	Stock
L4973D33013TR	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	17400
L4973D33013	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	348
L4973D33TR1LF	SGST	OEM/CM QUOTES ONLY \| NO BROKERS	1371
L4973D33	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	7771
L4973D33TR	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	574
L4973D3313TR	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	1137

Part Number

Manufacturer

Description

Stock

L4973D3.3

STMicroelectronics

Buck Switching Regulator IC Positive Adjustable (Fixed) 0.5V (3.3V) 1 Output 3.5A 20-SOIC (0.295", 7.50mm Width)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

L4973D3.3

STMicroelectronics

in stock - can ship the same day

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

STMicroelectronics

OEM/CM Immediate delivery

30000

L4973D3.3

STMicroelectronics

OEM/CM Immediate delivery

2035

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

D# 511-L4973D3.3-013TR

STMicroelectronics

Switching Voltage Regulators 3.3V 3.5A Step-Down

RoHS: Compliant

314

L4973D3.3

D# 511-L4973D3.3

STMicroelectronics

Switching Voltage Regulators 3.3V 3.5A Step-Down

RoHS: Compliant

1160

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

D# XSFP00000151852

STMicroelectronics

L4973 Series 55 V 3.5 A Step Down Monolithic Power Switching Regulator - SOIC-20

2000

Part Number

Manufacturer

Description

Stock

L4973D3.3

D# 38Y7864

STMicroelectronics

DC-DC Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 500mV-50Vout, 3.5Aout, SOIC-20 RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

942

L4973D3.3-013TR

D# 79AH3805

STMicroelectronics

BUCK REGULATORS

RoHS: Not Compliant

Min Qty: 1000

Container: TAPE & REEL - FULL

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

D# NS-L4973D3.3-013TR

STMicroelectronics

OEM/CM ONLY

7308

L4973D3.3

D# NS-L4973D3.3

STMicroelectronics

OEM/CM ONLY

9417

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

STMicroelectronics

SWITCHING REGULATOR, VOLTAGE-MODE, 5.5A, 300KHZ SWITCHING FREQ-MAX, BCDMOS, PDSO20

295

Part Number

Manufacturer

Description

Stock

L4973D3.3

D# L4973D3dot3

STMicroelectronics

Inventory R

Part Number

Manufacturer

Description

Stock

L4973D3.3

D# 0379977P

STMicroelectronics

STMicroelectronics, L4973D3.3 Step-Down Switching Regulator, 1-Channel 3.5A Adjustable 20-Pin, SOIC, TU

Min Qty: 1

Container: Tube

Part Number	Manufacturer	Description	Stock
L4973D3.3	STMicroelectronics	OEM/CM ONLY	1769
L4973D3.3013	STMicroelectronics	OEM/CM ONLY	311
L4973D3.313TR	STMicroelectronics	OEM/CM ONLY	996
L4973D3.3TR	STMicroelectronics	OEM/CM ONLY	511
L4973D3.3013TR	STMicroelectronics	OEM/CM ONLY	15841
L4973D3.3TR1LF	SGS Semiconductor Ltd	OEM/CM ONLY	1198

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

STMicroelectronics

IN stock Immediate delivery

29985

L4973D3.3

STMicroelectronics

IN stock Immediate delivery

2050

Part Number	Manufacturer	Description	Stock
L4973D3.3	STMicroelectronics	shipping today	13816
L4973D3.3-013TR	STMicroelectronics	shipping today	13816
L4973D 3.3	N/A	shipping today	19

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

D# 53459710

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 0.5V to 50V 3.5A 20-Pin SO T/R

RoHS: Compliant

L4973D3.3

D# 35933788

STMicroelectronics

Conv DC-DC 8V to 55V Step Down Single-Out 0.5V to 50V 3.5A 20-Pin SO Tube

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
L4973D3.3	STMicroelectronics	RFQ	10312
L4973D33	STMicroelectronics	RFQ	6586
L4973D3.3-013TR	STMicroelectronics	RFQ	8741

Part Number

Manufacturer

Description

Stock

L4973D3.3-013TR

STMicroelectronics

IC REG BUCK ADJ/3.3V 3.5A 20SOIC

1900

L4973D3.3

STMicroelectronics

3.5A STEP DOWN SWITCHING REGULATOR | IC REG BUCK ADJ/3.3V 3.5A 20SO

16027

Part Number

Manufacturer

Description

Stock

L4973D3.3

D# 2460728

STMicroelectronics

DC/DC CONV, BUCK, 100KHZ, SOIC-20

RoHS: Compliant

Min Qty: 1

Container: Each

947

Quick Inquiry

L4973D3.3

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