Name: LM2576SX-3.3
Brand: Texas Instruments
SKU: LM2576SX-3-3
Availability: InStock
Rating: 5 (122 reviews)

LM2576SX-3.3

For Reference Only

Part Number	LM2576SX-3.3
Manufacturer	Texas Instruments
Description	IC REG BUCK 3.3V 3A TO263-5
Datasheet	LM2576SX-3.3 Specifications
Package	TO-263-6, D2Pak (5 Leads + Tab), TO-263BA
ECAD
In Stock	1,684,788 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 21 - Apr 26 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # LM2576SX-3.3 (PMIC - Voltage Regulators - DC DC Switching Regulators) 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 LM2576SX-3.3 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LM2576SX-3.3 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM2576SX-3.3.

LM2576SX-3.3 Specifications

Manufacturer	Texas Instruments
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Regulators
Package	TO-263-6, D2Pak (5 Leads + Tab), TO-263BA
ECAD
Series	SIMPLE SWITCHER?
Function	Step-Down
Output Configuration	Positive
Topology	Buck
Output Type	Fixed
Number of Outputs	1
Voltage - Input (Min)	4V
Voltage - Input (Max)	40V
Voltage - Output (Min/Fixed)	3.3V
Voltage - Output (Max)	-
Current - Output	3A
Frequency - Switching	52kHz
Synchronous Rectifier	No
Operating Temperature	-40°C ~ 125°C (TJ)
Mounting Type	Surface Mount
Package / Case	TO-263-6, D2Pak (5 Leads + Tab), TO-263BA
Supplier Device Package	DDPAK/TO-263-5

LM2576SX-3.3 Reviews

Charle*****ington

March 13, 2023

★ ★ ★ ★ ★

I am a novice technician. I really rely on reviews to help guide me, as I do not have anyone to assist me with electronics. I purchased these items and report I am happy with the purchase. I took a chance and it was one of the better choices I made.

Elie*****Dash

March 6, 2023

★ ★ ★ ★ ★

Fantastic quality products with fair and prompt shipping. Would save much time crossing all the features. Thank you for all your effort.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

LM2576SX-3.3 Packaging

LM2576SX-3.3 FAQ

1. How to order LM2576SX-3.3 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 LM2576SX-3.3 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM2576SX-3.3. All suppliers must pass our qualification reviews before they can publish their products including LM2576SX-3.3 on Heisener; we pay more attention to the channels and quality of LM2576SX-3.3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM2576SX-3.3 price and inventory displayed accurate?

The price and inventory of LM2576SX-3.3 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 LM2576SX-3.3?

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 LM2576SX-3.3 we delivered, we will accept the replacement or return of the LM2576SX-3.3 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 LM2576SX-3.3.

(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 LM2576SX-3.3 pin diagram, LM2576SX-3.3 datasheet?

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

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LM2576SX-3.3 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

LM2576S-3.3/NOPB

D# V99:2348_07269570

Texas Instruments

Conv DC-DC 4V to 40V Inv/Step Down Single-Out 3.3V 3A 6-Pin(5+Tab) DDPAK Tube

LM2576SX-3.3/NOPB

D# V72:2272_07269574

Texas Instruments

Conv DC-DC 4V to 40V Inv/Step Down Single-Out 3.3V 3A 6-Pin(5+Tab) DDPAK T/R

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3	Texas Instruments	DC/DC CONV, BUCK, 3.3V, 52KHZ, TO-263-5	500
LM2576SX-3.3/NOPB	Texas Instruments	DC/DC CONV, BUCK, 3.3V, 52KHZ, TO-263-5	500
LM2576S-3.3/NOPB	Texas Instruments	IC, DC/DC CONVERTER, 3A	0

Part Number

Manufacturer

Description

Stock

LM2576S-3.3/NOPB

D# C1S523900276666

Texas Instruments

Conv DC-DC 4V to 40V Inv/Step Down Single-Out 3.3V 3A 6-Pin(5+Tab) TO-263 Tube

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Bulk

LM2576SX-3.3/NOPB

D# C1S523900414558

Texas Instruments

DC/DC Switching Regulators

RoHS: Compliant

pbFree: Yes

Min Qty: 1

Container: Cut Tape

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3/NOPB

Texas Instruments

40V 3A TO-263-5 DC-DC Converters RoHS

1011

Part Number

Manufacturer

Description

Stock

LM2576SX33

National Semiconductor Corporation

Switching Regulator, Voltage-mode, 7.5A, 63kHz Switching Freq-Max, BIPolar, PSSO5

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3/NOPB D# LM2576SX-3.3/NOPBCT-ND	Texas Instruments	IC REG BUCK 3.3V 3A TO263-5	1688
LM2576S-3.3/NOPB D# LM2576S-3.3/NOPB-ND	Texas Instruments	IC REG BUCK 3.3V 3A TO263-5	62
LM2576SX-3.3 D# LM2576SX-3.3TR-ND	Texas Instruments	IC REG BUCK 3.3V 3A TO263-5	0

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3

D# LM2576SX-3.3

National Semiconductor Corporation

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

2668

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3/NOPB

Texas Instruments

In stock shipping within 2days

4260

LM2576SX-3.3

POWER

In stock shipping within 2days

4260

Part Number

Manufacturer

Description

Stock

LM2576S-3.3/NOPB

D# 3008143

Texas Instruments

IC, DC/DC CONVERTER, 3A

RoHS: Compliant

Min Qty: 1

Container: Each

1130

LM2576SX-3.3/NOPB

D# 3121492RL

Texas Instruments

DC/DC CONV, BUCK, 52KHZ, TO-263-5

RoHS: Compliant

Min Qty: 1

Container: Reel

Part Number	Manufacturer	Description	Stock
LM2576SX3350	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	232000
LM2576SX33	Texas Instruments	OEM/CM QUOTES ONLY \| NO BROKERS	27602
LM2576SX33NOPB	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	3480

Part Number	Manufacturer	Description	Stock
LM2576SX33	Texas Instruments	OEM/CM ONLY	229
LM2576SX33NOPB	Texas Instruments	OEM/CM ONLY	151
LM2576SX33N	Texas Instruments	OEM/CM ONLY	373

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3/NOPB

D# C14403

Texas Instruments

1011

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3/NOPB	Texas Instruments	OEM/CM Immediate delivery	5666
LM2576S-3.3/NOPB	Texas Instruments	OEM/CM Immediate delivery	5880
LM2576SX-3.3	Texas Instruments	OEM/CM Immediate delivery	500000

Part Number

Manufacturer

Description

Stock

LM2576S-3.3/NOPB

D# 926-LM2576S-3.3/NOPB

Texas Instruments

Switching Voltage Regulators 3A STEP-DOWN VLTG REG

RoHS: Compliant

184

LM2576SX-3.3/NOPB

D# 926-LM2576SX33NOPB

Texas Instruments

Switching Voltage Regulators 3A SD VTG Reg

RoHS: Compliant

884

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3/NOPB

D# 26AJ7167

Texas Instruments

DC/DC CONV, BUCK, 52KHZ, TO-263-5, Topology:Buck (Step Down), Input Voltage Min:4V, Input Voltage Max:40V, No. of Outputs:1Outputs, DC / DC Converter IC Case:TO-263, No. of Pins:5Pins, Output Current:3A, Output Voltage Min:3.234V, RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

LM2576S-3.3/NOPB

D# 29AH1096

Texas Instruments

IC, DC/DC CONVERTER, 3A, Topology:Buck (Step Down), Input Voltage Min:4V, Input Voltage Max:40V, DC / DC Converter IC Case:TO-263, No. of Pins:5Pins, Output Current:3A, Output Voltage Nom.:3.3V, Switching Frequency:52kHz, Operating RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

1120

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3 D# NS-LM2576SX-3.3	Texas Instruments	OEM/CM ONLY	2673
LM2576SX-3.3/NOPB D# NS-LM2576SX-3.3/NOPB	Texas Instruments	OEM/CM ONLY	1596
LM2576S-3.3/NOPB D# NS-LM2576S-3.3/NOPB	Texas Instruments	OEM/CM ONLY	2117

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3	Semtech Corporation	7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5	144
LM2576SX-3.3/NOPB	National Semiconductor Corporation	SWITCHING REGULATOR, VOLTAGE-MODE, 7.5A, 63KHZ SWITCHING FREQ-MAX, BIPOLAR, PSSO5	116
LM2576S-3.3/NOPB	National Semiconductor Corporation	7.5 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5	32

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3/NOPB	Texas Instruments	LM2576 SIMPLE SWITCHER 40V, 3A Low Component Count Step-Down Regulator RoHS: Compliant	9
LM2576S-3.3/NOPB	Texas Instruments	LM2576 SIMPLE SWITCHER 40V, 3A Low Component Count Step-Down Regulator RoHS: Compliant	275
LM2576SX-3.3	National Semiconductor Corporation	Switching Regulator, Voltage-mode, 7.5A, 63kHz Switching Freq-Max, BIPolar, PSSO5 RoHS: Not Compliant	23

Part Number	Manufacturer	Description	Stock
LM2576SX33	National Semiconductor Corporation	OEM/CM ONLY	24016
LM2576SX3.3/NOPB	National Semiconductor Corporation	OEM/CM ONLY	4632
LM2576SX3.3/5.0	Texas Instruments	OEM/CM ONLY	200016

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3	Texas Instruments	IN stock Immediate delivery	499985
LM2576SX-3.3/NOPB	Texas Instruments	IN stock Immediate delivery	5681
LM2576S-3.3/NOPB	Texas Instruments	IN stock Immediate delivery	5895

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3/NOPB

Texas Instruments

SIMPLE SWITCHER®, 40V, 3A Low Component Count Step-Down Regulator

LM2576S-3.3/NOPB

Texas Instruments

SIMPLE SWITCHER®, 40V, 3A Low Component Count Step-Down Regulator

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3

Texas Instruments

shipping today

54999

LM2576SX-3.3/NOPB

Texas Instruments

shipping today

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3/NOPB

D# 40661711

Texas Instruments

Conv DC-DC 4V to 40V Inv/Step Down Single-Out 3.3V 3A 6-Pin(5+Tab) DDPAK T/R

LM2576S-3.3/NOPB

D# 36326459

Texas Instruments

Conv DC-DC 4V to 40V Inv/Step Down Single-Out 3.3V 3A 6-Pin(5+Tab) DDPAK Tube

Part Number

Manufacturer

Description

Stock

LM2576S-3.3/NOPB

Texas Instruments

RFQ

13142

LM2576SX-3.3

National Semiconductor Corporation

RFQ

11645

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3	Texas Instruments	IC REG BUCK 3.3V 3A TO263-5	888
LM2576SX-3.3/NOPB	Texas Instruments	IC REG BUCK 3.3V 3A TO263-5	10048
LM2576S-3.3/NOPB	Texas Instruments	IC REG BUCK 3.3V 3A TO263-5	870

Part Number

Manufacturer

Description

Stock

LM2576SX-3.3/NOPB

D# 3121492

Texas Instruments

DC/DC CONV, BUCK, 52KHZ, TO-263-5

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

LM2576S-3.3/NOPB

D# 3008143

Texas Instruments

IC, DC/DC CONVERTER, 3A

RoHS: Compliant

Min Qty: 1

Container: Each

1132

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LM2576SX-3.3

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