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Product Overview
Digi-Key Part Number LT3581EDE#PBF-ND
Quantity Available 503
Can ship immediately

Manufacturer Part Number


Description Boost, Charge Pump, Cuk, Flyback, SEPIC Switching Regulator IC Positive or Negative Adjustable 1.215V 1 Output 3.3A (Switch) 14-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 LT3581
PCN Design/Specification LT3581 Datasheet Update 09/Apr/2014
EDA / CAD Models ? Download from Accelerated Designs
Online Catalog Multi-Topology
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - Voltage Regulators - DC DC Switching Regulators


Linear Technology

Series -
Packaging ? Tube ?
Part Status Active
Function Step-Up, Step-Up/Step-Down
Output Configuration Positive or Negative
Topology Boost, Charge Pump, Cuk, Flyback, SEPIC
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.5V
Voltage - Input (Max) 22V
Voltage - Output (Min/Fixed) 1.215V
Voltage - Output (Max) 42V (Switch)
Current - Output 3.3A (Switch)
Frequency - Switching 200kHz ~ 2.5MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 14-WFDFN Exposed Pad
Supplier Device Package 14-DFN (4x3)
Additional Resources
Standard Package ? 91
Other Names LT3581EDEPBF

10:02:24 10/27/2016

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 5.23000 5.23
25 3.50000 87.50
100 2.98000 298.00

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) ? : LT3581EDE#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 3.08001
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