LM2576BU

Part No :: LM2576BU

Manufacturer: VIGOR

VIGOR # :: 3903448

Description: 52KHZ SIMPLE 3A BUCK REGULATOR

Catalog: PMIC - Voltage Regulators - DC DC Switching Regulators

DataSheet: LM2576BU PDF

Country of origin: -

Date code: -

LM2576BU Specifications

Type	Description
Series:	-
Package:	Bulk
Part Status:	Obsolete
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Adjustable
Number of Outputs:	1
Voltage - Input (Min):	4V
Voltage - Input (Max):	40V
Voltage - Output (Min/Fixed):	1.23V
Voltage - Output (Max):	37V
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:	TO-263-5

Alternative Products

Part Number	Manufacturer & Description	Compare
LM2576WU-TR Match 100%	Roving Networks / Microchip Technology IC REG BUCK ADJ 3A TO263-5	LM2576BU vs LM2576WU-TR
LM2576-12BU TR Match 100%	VIGOR 52KHZ SIMPLE 3A BUCK REGULATOR	LM2576BU vs LM2576-12BU TR
LM2576-3.3WU Match 100%	Roving Networks / Microchip Technology IC REG BUCK 3.3V 3A TO263-5	LM2576BU vs LM2576-3.3WU
LM2576-12WU Match 100%	Roving Networks / Microchip Technology IC REG BUCK 12V 3A TO263-5	LM2576BU vs LM2576-12WU
LM2576-12WU-TR Match 100%	Roving Networks / Microchip Technology IC REG BUCK 12V 3A TO263-5	LM2576BU vs LM2576-12WU-TR
LM2576-5.0WU-TR Match 100%	Roving Networks / Microchip Technology IC REG BUCK 5V 3A TO263-5	LM2576BU vs LM2576-5.0WU-TR

Please confirm the specifications of the products when ordering.
MOQ means the minimum order quantity required to purchase each parts.
If you have special order instructions,please note it on the ordering pages.
The Pre-Shipment Inspection (PSI) will be applied.
You can email us to change the order details before shipment.
Orders cannot be canceled after shipping the packages.

TT in advance (bank transfer), Credit Card, PayPal can be chosen.
Cash transfer only. (Transfer with checks and bills are not accepted.)
Customer is responsible for paying all possible charges,including sales tax, VAT and customs charges,etc.
If you need the detailed invoice or tax ID,please email us.

FedEx, DHL, and UPS can be selected.
You can select whether to charge shipping fee by your shipping account or to charge by our side.
Please confirm with the logistics company in advance if you are in a remote area. (It may cost extra fees (35-50 USD) for delivery at those areas.)
The shopping cart will automatically calculate the shipping cost.
Delivery time: At the same day (Order deadline is 2pm, HK Time).
Delivery date: usually 2 to 7 working days.
It is unable to appoint a date of delivery.
Tracking number will be sent once your order has been shipped. (It may take up to 24 hours before carriers display the info.)

In Stock: 4986

Shipped from

HK warehouse

Expected Shipping Date

Jul 25 - Jul 29 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price
1	~~$0.8100~~	~~$0.81~~
350	~~$0.8100~~	~~$283.50~~

Current price of LM2576BU is for reference only, if you want to get best price, please submit a inquiry or direct email to our sales team sales@Vigorcomp.com

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