LM2596SX-3.3 is available for purchase but is not normally stocked.
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Datasheet
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 3A TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

LM2596SX-3.3

DigiKey Part Number
LM2596SX-3.3TR-ND - Tape & Reel (TR)
LM2596SX-3.3CT-ND - Cut Tape (CT)
LM2596SX-3.3DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM2596SX-3.3
Description
IC REG BUCK 3.3V 3A TO263
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 3A TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Datasheet
 Datasheet
EDA/CAD Models
LM2596SX-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)
Cut Tape (CT)
Digi-Reel®
Frequency - Switching
150kHz
Part Status
Not For New Designs
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-5)
Number of Outputs
1
Base Product Number
Voltage - Input (Min)
4.5V
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (5)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM2575-3.3WUMicrochip Technology0LM2575-3.3WU-ND1,25650 €Similar
LM2575-3.3WU-TRMicrochip Technology894150-LM2575-3.3WU-TRCT-ND1,49000 €Similar
LM2575D2T-3.3R4Gonsemi128LM2575D2T-3.3R4GOSCT-ND1,90000 €Similar
MIC4576-3.3WUMicrochip Technology155576-1532-5-ND3,79000 €Similar
MIC4576-3.3WU-TRMicrochip Technology2 166576-1551-1-ND3,79000 €Similar
Available To Order
Not recommended for new design, minimums may apply View Substitutes or Alternative Package Types
All prices are in EUR
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
14,56000 €4,56 €
* All Digi-Reel orders will add a 5,50 € reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
5002,69572 €1 347,86 €
1 0002,62563 €2 625,63 €
1 5002,59051 €3 885,77 €
2 5002,55160 €6 379,00 €
Manufacturers Standard Package
Unit Price without VAT:4,56000 €
Unit Price with VAT:5,51760 €