Name: LM2576S-3.3
Brand: Texas Instruments
SKU: LM2576S-3-3
Availability: InStock
Rating: 5 (69 reviews)

LM2576S-3.3

For Reference Only

Part Number	LM2576S-3.3
Manufacturer	Texas Instruments
Description	IC REG BUCK 3.3V 3A TO263-5
Datasheet	LM2576S-3.3 Specifications
Package	TO-263-6, D2Pak (5 Leads + Tab), TO-263BA
ECAD
In Stock	391,224 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 # LM2576S-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 LM2576S-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 LM2576S-3.3 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LM2576S-3.3.

LM2576S-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

LM2576S-3.3 Reviews

Valent*****intyre

April 6, 2023

★ ★ ★ ★ ★

Heisener parametric search for specific components is by far better than their competitors.

Sara*****onnell

April 2, 2023

★ ★ ★ ★ ★

This is the best online shop to order electronic components. From a 30 cent item up to industrial, Customer Service is great. This company is so reliable and super easy to work with and ask questions. One CS agent even stayed after hours to get me an answer!

Brix*****Tiwari

March 29, 2023

★ ★ ★ ★ ★

I've had no issues. Good product, would buy again.

Jax*****rton

March 26, 2023

★ ★ ★ ★ ★

Great item and excellent seller! Would highly recommend. Thank you. Trustworthy

Elli*****Hansen

March 22, 2023

★ ★ ★ ★ ★

Awesome selection for all electronic parts here! Great service when it is needed too! Prices are competitive as well. Thank you!

Tati*****Raman

March 20, 2023

★ ★ ★ ★ ★

The helper is super handy, especially if you work with medium size PCB boards as it allows to hold the board steady in every position. It feels pretty sturdy and of good quality.

Emer*****odge

March 13, 2023

★ ★ ★ ★ ★

Worked very well! I would highly recommend buying.

Write a Review

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LM2576S-3.3 Packaging

LM2576S-3.3 FAQ

1. How to order LM2576S-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 LM2576S-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 LM2576S-3.3. All suppliers must pass our qualification reviews before they can publish their products including LM2576S-3.3 on Heisener; we pay more attention to the channels and quality of LM2576S-3.3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM2576S-3.3 price and inventory displayed accurate?

The price and inventory of LM2576S-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 LM2576S-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 LM2576S-3.3 we delivered, we will accept the replacement or return of the LM2576S-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 LM2576S-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 LM2576S-3.3 pin diagram, LM2576S-3.3 datasheet?

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

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LM2576S-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

LM2576S-3.3

Semtech Corporation

180

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

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
LM2576S-3.3	Youtai Semiconductor Co Ltd	TO-263 DC-DC Converters RoHS	122
LM2576S-3.3 P	JSMSEMI	T0-263-5 DC-DC Converters RoHS	93
LM2576S-3.3/TR	HuaGuan Semiconductor	40V 3A TO-263-5 DC-DC Converters RoHS	5174

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

Part Number

Manufacturer

Description

Stock

LM2576S-3.3

D# LM2576S-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

1785

LM2576SX-3.3

D# LM2576SX-3.3

National Semiconductor Corporation

2668

Part Number	Manufacturer	Description	Stock
LM2576S-3.3	National Semiconductor Corporation	In stock shipping within 2days	3846
LM2576SX-3.3	POWER	In stock shipping within 2days	4260
LM2576SX-3.3/NOPB	Texas Instruments	In stock shipping within 2days	4260

Part Number	Manufacturer	Description	Stock
LM2576S-3.3/NOPB . D# 1469177	Texas Instruments	IC, DC/DC CONVERTER, 3A RoHS: Compliant Min Qty: 1 Container: Each	0
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	0

Part Number	Manufacturer	Description	Stock
LM2576S33NOPB	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	11600
LM2576S33TO2635	kexin	OEM/CM QUOTES ONLY \| NO BROKERS	2320
LM2576S33	TI/NS	OEM/CM QUOTES ONLY \| NO BROKERS	11600
LM2576S33P	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	375

Part Number	Manufacturer	Description	Stock
LM2576S33NOPB	Texas Instruments	OEM/CM ONLY	636
LM2576S33	Texas Instruments	OEM/CM ONLY	305
LM2576S335012	Texas Instruments	OEM/CM ONLY	336

Part Number

Manufacturer

Description

Stock

LM2576S-3.3

National Semiconductor Corporation

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3/NOPB D# C14403	Texas Instruments		1011
LM2576S-3.3/TR D# C194473	Texas Instruments		5174
LM2576S-3.3 D# C347412	Youtai Semiconductor Co Ltd		122
LM2576S-3.3 P+ D# C963386	JSMSEMI		93

Part Number

Manufacturer

Description

Stock

LM2576S-3.3NOPB

National Semiconductor Corporation

in stock - can ship the same day

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3	Texas Instruments	OEM/CM Immediate delivery	500000
LM2576SX-3.3/NOPB	Texas Instruments	OEM/CM Immediate delivery	5666
LM2576S-3.3/NOPB	Texas Instruments	OEM/CM Immediate delivery	5880
LM2576S-3.3	Texas Instruments	OEM/CM Immediate delivery	8969

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
LM2576S-3.3 D# NS-LM2576S-3.3	Texas Instruments	OEM/CM ONLY	7795
LM2576SX-3.3 D# NS-LM2576SX-3.3	Texas Instruments	OEM/CM ONLY	2673
LM2576S-3.3/NOPB D# NS-LM2576S-3.3/NOPB	Texas Instruments	OEM/CM ONLY	2117
LM2576SX-3.3/NOPB D# NS-LM2576SX-3.3/NOPB	Texas Instruments	OEM/CM ONLY	1596

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

LM2576S-3.3

D# LM2576S-3dot3

National Semiconductor Corporation

Inventory R

Part Number	Manufacturer	Description	Stock
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
LM2576SX-3.3/NOPB	Texas Instruments	LM2576 SIMPLE SWITCHER 40V, 3A Low Component Count Step-Down Regulator RoHS: Compliant	9

Part Number	Manufacturer	Description	Stock
LM2576S3.3/NOPB	National Semiconductor Corporation	OEM/CM ONLY	286
LM2576S3.3 TO2635	Guangdong Kexin Industrial Co Ltd	OEM/CM ONLY	2016
LM2576S3.3	National Semiconductor Corporation	OEM/CM ONLY	10016
LM2576S3.3P+	National Semiconductor Corporation	OEM/CM ONLY	339

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
LM2576S-3.3	Texas Instruments	IN stock Immediate delivery	8984

Part Number

Manufacturer

Description

Stock

LM2576S-3.3/NOPB

Texas Instruments

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

LM2576SX-3.3/NOPB

Texas Instruments

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

Part Number	Manufacturer	Description	Stock
LM2576SX-3.3/NOPB	Texas Instruments	shipping today	46
LM2576S-3.3	National Semiconductor Corporation	shipping today	16
LM2576SX-3.3	Texas Instruments	shipping today	54999

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	Texas Instruments	1A & 3A Miniconverter Switching Regulators \| IC REG BUCK 3.3V 3A TO263-5	12061
LM2576S-3.3/NOPB	Texas Instruments	IC REG BUCK 3.3V 3A TO263-5	870

Part Number	Manufacturer	Description	Stock
LM2576S-3.3/NOPB . D# 1469177	Texas Instruments	IC, DC/DC CONVERTER, 3A RoHS: Compliant Min Qty: 1 Container: Each	77
LM2576S-3.3/NOPB D# 3008143	Texas Instruments	IC, DC/DC CONVERTER, 3A RoHS: Compliant Min Qty: 1 Container: Each	1132
LM2576SX-3.3/NOPB D# 3121492	Texas Instruments	DC/DC CONV, BUCK, 52KHZ, TO-263-5 RoHS: Compliant Min Qty: 1 Container: Cut Tape	0

Quick Inquiry

LM2576S-3.3

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