LT3990IMSE-5#PBF is out of stock and can be placed on backorder.
Available Substitutes:

Direct


Analog Devices Inc.
In Stock: 0
Unit Price: $10.21000
Datasheet
Buck Switching Regulator IC Positive Fixed 5V 1 Output 350mA 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
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Buck Switching Regulator IC Positive Fixed 5V 1 Output 350mA 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
16-MSOP-EP
Introducing Power by Linear

LT3990IMSE-5#PBF

DigiKey Part Number
505-LT3990IMSE-5#PBF-ND
Manufacturer
Manufacturer Product Number
LT3990IMSE-5#PBF
Description
IC REG BUCK 5V 350MA 16MSOP
Manufacturer Standard Lead Time
10 Weeks
Customer Reference
Detailed Description
Buck Switching Regulator IC Positive Fixed 5V 1 Output 350mA 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Datasheet
 Datasheet
EDA/CAD Models
LT3990IMSE-5#PBF Models
Product Attributes
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Category
Voltage - Input (Max)
62V
Mfr
Voltage - Output (Min/Fixed)
Packaging
Tube
Current - Output
Part Status
Active
Frequency - Switching
210kHz ~ 2.3MHz
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
16-MSOP-EP
Voltage - Input (Min)
4.2V
Base Product Number
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
LT3990HMSE-5#PBFAnalog Devices Inc.0505-LT3990HMSE-5#PBF-ND$10.21000Direct
In-Stock: 0
37 estimated in stock on 21-Dec-2026
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All prices are in USD
Tube
QuantityUnit PriceExt Price
1$8.18000$8.18
10$5.54000$55.40
37$4.60378$170.34
111$4.35000$482.85
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
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