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Product Overview
Digi-Key Part Number LT3991IDD#PBF-ND
Quantity Available 178
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
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 LT3991IDDPBF

11:00:11 10/28/2016

Price & Procurement

All prices are in SGD.
Price Break Unit Price Extended Price
1 10.49000 10.49
25 7.01640 175.41
100 5.95410 595.41

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) ? : LT3991IDD#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 6.10367
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