LM2678SX-3.3 is Obsolete and no longer manufactured.
Available Substitutes:

Direct


Texas Instruments
In Stock: 9.997
Unit Price: 6,67000 €
Datasheet
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 5A TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 5A TO-263-8, D2PAK (7 Leads + Tab), TO-263CA

LM2678SX-3.3

DigiKey Part Number
LM2678SX-3.3TR-ND - Tape & Reel (TR)
Manufacturer
Manufacturer Product Number
LM2678SX-3.3
Description
IC REG BUCK 3.3V 5A TO263
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 5A TO-263-8, D2PAK (7 Leads + Tab), TO-263CA
Datasheet
 Datasheet
EDA/CAD Models
LM2678SX-3.3 Models
Product Attributes
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Category
Voltage - Input (Max)
40V
Mfr
Voltage - Output (Min/Fixed)
Series
Current - Output
Packaging
Tape & Reel (TR)
Frequency - Switching
260kHz
Part Status
Obsolete
Synchronous Rectifier
No
Function
Step-Down
Operating Temperature
-40°C ~ 125°C (TJ)
Output Configuration
Positive
Mounting Type
Surface Mount
Topology
Package / Case
Output Type
Supplier Device Package
TO-263 (DDPAK-7)
Number of Outputs
1
Base Product Number
Voltage - Input (Min)
8V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM2678SX-3.3/NOPBTexas Instruments9.997LM2678SX-3.3/NOPBCT-ND6,67000 €Direct
Obsolete
This product is no longer manufactured. View Substitutes or Alternative Package Types