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Product Overview
Digi-Key Part Number LT3990IDD#PBF-ND
Quantity Available 1,827
Can ship immediately

Manufacturer Part Number


Description Buck Switching Regulator IC Positive Adjustable 1.21V 1 Output 350mA 10-WFDFN 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
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 10-WFDFN Exposed Pad
Supplier Device Package 10-DFN (3x3)
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Additional Resources
Standard Package ? 121
Other Names LT3990IDDPBF

13:15:45 10/23/2016

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 6.06000 6.06
25 4.04000 101.00
100 3.44000 344.00

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) ? : LT3990IDD#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 3.54001
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