LM3670MFX-1.8/NOPB is out of stock and can be placed on backorder.
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Buck Switching Regulator IC Positive Fixed 1.8V 1 Output 350mA SC-74A, SOT-753
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

LM3670MFX-1.8/NOPB

DigiKey Part Number
296-38116-2-ND - Tape & Reel (TR)
296-38116-1-ND - Cut Tape (CT)
296-38116-6-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM3670MFX-1.8/NOPB
Description
IC REG BUCK 1.8V 350MA SOT23-5
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Fixed 1.8V 1 Output 350mA SC-74A, SOT-753
Datasheet
 Datasheet
EDA/CAD Models
LM3670MFX-1.8/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
TPS62222DDCRTexas Instruments462,719296-TPS62222DDCRTR-ND$1.17000Similar
TPS62202DBVRTexas Instruments80,087296-16730-2-ND$1.53000Similar
TPS62222DDCTTexas Instruments20,751296-TPS62222DDTR-ND$1.88000Similar
TPS62202DBVTTexas Instruments17,734296-12718-2-ND$1.91000Similar
MCP1603T-180I/OSMicrochip Technology7,027MCP1603T-180I/OSTR-ND$0.59000Similar
In-Stock: 0
3,000 expected in stock on 15-Feb-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.40000$1.40
10$1.02200$10.22
25$0.92600$23.15
100$0.82060$82.06
250$0.77040$192.60
500$0.74014$370.07
1,000$0.72981$729.81
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
3,000$0.68444$2,053.32
6,000$0.66937$4,016.22
9,000$0.66183$5,956.47
15,000$0.65348$9,802.20