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Product Overview
Digi-Key Part Number LT3990EMSE#PBF-ND
Quantity Available 3,663
Can ship immediately

Manufacturer Part Number


Description Buck Switching Regulator IC Positive Adjustable 1.21V 1 Output 350mA 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 6 Weeks
Documents & Media
Datasheets LT3990
EDA / CAD Models ? Download from Accelerated Designs
Online Catalog Buck (Step-Down) IC
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - Voltage Regulators - DC DC Switching Regulators


Linear Technology

Series -
Packaging ? Tube ?
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.2V
Voltage - Input (Max) 62V
Voltage - Output (Min/Fixed) 1.21V
Voltage - Output (Max) 25V
Current - Output 350mA
Frequency - Switching 210kHz ~ 2.3MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
Supplier Device Package 16-MSOP-EP
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Additional Resources
Standard Package ? 37
Other Names LT3990EMSEPBF

04:36:06 10/23/2016

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 5.55000 5.55
25 3.71000 92.75
100 3.16000 316.00

Submit a request for quotation on quantities greater than those displayed.

Alternate Package | This part is also available in the following packaging:
  • Tape & Reel (TR) ? : LT3990EMSE#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 3.26000
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