LM2673SX-3.3

Part No :: LM2673SX-3.3

Manufacturer: Texas Instruments

VIGOR # :: 4915212

Description: IC REG BUCK 3.3V 3A TO263-7

Catalog: PMIC - Voltage Regulators - DC DC Switching Regulators

DataSheet: LM2673SX-3.3 PDF

Country of origin: -

Date code: -

LM2673SX-3.3 Specifications

Type	Description
Series:	SIMPLE SWITCHER®
Package:	Tape & Reel (TR)Cut Tape (CT)
Part Status:	Obsolete
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Fixed
Number of Outputs:	1
Voltage - Input (Min):	8V
Voltage - Input (Max):	40V
Voltage - Output (Min/Fixed):	3.3V
Voltage - Output (Max):	-
Current - Output:	3A
Frequency - Switching:	260kHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Supplier Device Package:	DDPAK/TO-263-7

Alternative Products

Part Number	Manufacturer & Description	Compare
LM2599S-5.0/NOPB Match 100%	Texas Instruments IC REG BUCK 5V 3A TO263-7	LM2673SX-3.3 vs LM2599S-5.0/NOPB
LM2670SX-ADJ Match 100%	Texas Instruments IC REG BUCK ADJ 3A TO263-7	LM2673SX-3.3 vs LM2670SX-ADJ
LM2670SX-3.3 Match 100%	Texas Instruments IC REG BUCK 3.3V 3A TO263-7	LM2673SX-3.3 vs LM2670SX-3.3
LM2670SX-12 Match 100%	Texas Instruments IC REG BUCK 12V 3A TO263-7	LM2673SX-3.3 vs LM2670SX-12
LM2673SX-5.0 Match 100%	Texas Instruments IC REG BUCK 5V 3A TO263-7	LM2673SX-3.3 vs LM2673SX-5.0
LM2670SX-5.0 Match 100%	Texas Instruments IC REG BUCK 5V 3A TO263-7	LM2673SX-3.3 vs LM2670SX-5.0

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In Stock: 7901

Shipped from

HK warehouse

Expected Shipping Date

Nov 07 - Nov 11 2026

Pricing(USD)

Quantity	Unit Price	Ext. Price

Current price of LM2673SX-3.3 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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LM2673SX-3.3

LM2673SX-3.3

4915212

Pricing(USD)