LM2575D2T-3.3R4G is out of stock and can be placed on backorder.
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Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A 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.

LM2575D2T-3.3R4G

DigiKey Part Number
LM2575D2T-3.3R4GOSTR-ND - Tape & Reel (TR)
LM2575D2T-3.3R4GOSCT-ND - Cut Tape (CT)
LM2575D2T-3.3R4GOSDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
LM2575D2T-3.3R4G
Description
IC REG BUCK 3.3V 1A D2PAK-5
Manufacturer Standard Lead Time
14 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 1A TO-263-6, D2PAK (5 Leads + Tab), TO-263BA
Datasheet
 Datasheet
EDA/CAD Models
LM2575D2T-3.3R4G Models
Product Attributes
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Category
Voltage - Input (Max)
40V
Mfr
Voltage - Output (Min/Fixed)
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Output
Part Status
Active
Frequency - Switching
52kHz
Function
Step-Down
Synchronous Rectifier
No
Output Configuration
Positive
Operating Temperature
-40°C ~ 125°C (TJ)
Topology
Mounting Type
Surface Mount
Output Type
Package / Case
Number of Outputs
1
Supplier Device Package
D2PAK-5
Voltage - Input (Min)
4.75V
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (12)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LM2575-3.3WUMicrochip Technology0LM2575-3.3WU-ND$1.33000Similar
LM2576-3.3WUMicrochip Technology0LM2576-3.3WU-ND$1.79000Similar
LM2576-3.3WU-TRMicrochip Technology0LM2576-3.3WU-TR-ND$1.79000Similar
MIC4575-3.3WUMicrochip Technology0576-2341-ND$4.32000Similar
MIC4575-3.3WU-TRMicrochip Technology0MIC4575-3.3WU-TR-ND$3.27001Similar
In-Stock: 0
800 estimated in stock on 25-Jan-2027
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$3.32000$3.32
10$2.11600$21.16
25$1.80160$45.04
100$1.44590$144.59
250$1.27128$317.82
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
800$1.19621$956.97
1,600$1.16311$1,860.98
2,400$1.14654$2,751.70
4,000$1.12818$4,512.72
5,600$1.11744$6,257.66
8,000$1.10712$8,856.96
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