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Product Overview
Digi-Key Part Number LT3991EDD#PBF-ND
Quantity Available 2.882
Can ship immediately

Manufacturer Part Number


Description Buck Switching Regulator IC Positive Adjustable 1.19V 1 Output 1.2A 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 LT3991
EDA / CAD Models ? Download from Accelerated Designs
Catalog Page 1268 (DE2011-DE PDF)
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) 4.3V
Voltage - Input (Max) 55V
Voltage - Output (Min/Fixed) 1.19V
Voltage - Output (Max) 30V
Current - Output 1.2A
Frequency - Switching 200kHz ~ 2MHz
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 LT3991EDDPBF

18:59:12 10.21.2016

Price & Procurement

All prices are in EUR.
Price Break Unit Price Extended Price
1 5,68000 5,68
25 3,79880 94,97
100 3,22270 322,27

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) ? : LT3991EDD#TRPBF-ND
  • Minimum Quantity: 2.500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 3,31274
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