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

Direct


Analog Devices Inc.
In Stock: 0
Unit Price: $5.80106
Datasheet
Buck Switching Regulator IC Positive Fixed 5V 1 Output 350mA 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
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#TRPBF

DigiKey Part Number
505-LT3990IMSE-5#TRPBFTR-ND - Tape & Reel (TR)
505-LT3990IMSE-5#TRPBFCT-ND - Cut Tape (CT)
505-LT3990IMSE-5#TRPBFDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LT3990IMSE-5#TRPBF
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#TRPBF Models
Product Attributes
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Category
Voltage - Input (Max)
62V
Mfr
Voltage - Output (Min/Fixed)
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
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#TRPBFAnalog Devices Inc.0LT3990HMSE-5#TRPBF-ND$5.80106Direct
In-Stock: 0
2,500 estimated in stock on 04-Jan-2027
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$9.62000$9.62
10$6.51800$65.18
25$5.70840$142.71
100$4.79340$479.34
250$4.35000$1,087.50
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
2,500$4.35000$10,875.00
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