LM3670MF-3.3/NOPB is out of stock and can be placed on backorder.
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Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 350mA SC-74A, SOT-753
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

LM3670MF-3.3/NOPB

DigiKey Part Number
LM3670MF-3.3/NOPBTR-ND - Tape & Reel (TR)
LM3670MF-3.3/NOPBCT-ND - Cut Tape (CT)
LM3670MF-3.3/NOPBDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
LM3670MF-3.3/NOPB
Description
IC REG BUCK 3.3V 350MA SOT23-5
Manufacturer Standard Lead Time
6 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Fixed 3.3V 1 Output 350mA SC-74A, SOT-753
Datasheet
 Datasheet
EDA/CAD Models
LM3670MF-3.3/NOPB Models
Product Attributes
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Category
Voltage - Input (Max)
5.5V
Mfr
Voltage - Output (Min/Fixed)
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Current - Output
Part Status
Active
Frequency - Switching
1MHz
Function
Step-Down
Synchronous Rectifier
Yes
Output Configuration
Positive
Operating Temperature
-40°C ~ 85°C (TA)
Topology
Mounting Type
Surface Mount
Output Type
Package / Case
Number of Outputs
1
Supplier Device Package
SOT-23-5
Voltage - Input (Min)
2.5V
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
TPS62203DBVRTexas Instruments171296-39452-2-ND$1.37000Similar
TPS62203DBVTTexas Instruments0296-12719-2-ND$1.61000Similar
MCP1603T-330I/OSMicrochip Technology0MCP1603T-330I/OSTR-ND$1.32000Similar
ADP2108AUJZ-3.3-R7Analog Devices Inc.0505-ADP2108AUJZ-3.3-R7TR-ND$3.46000Similar
RT8009-33GBRichtek USA Inc.0RT8009-33GB-ND$0.00000Similar
In-Stock: 0
1,000 estimated in stock on 30-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.29000$1.29
10$0.93700$9.37
25$0.84800$21.20
100$0.75050$75.05
250$0.70396$175.99
500$0.67588$337.94
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$0.65277$652.77
2,000$0.63376$1,267.52
3,000$0.62423$1,872.69
5,000$0.61368$3,068.40
7,000$0.60750$4,252.50
10,000$0.60158$6,015.80