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Product Overview
Digi-Key Part Number LTC3859IUHF#PBF-ND
Quantity Available 166
Can ship immediately

Manufacturer Part Number


Description Buck, Buck-Boost, SEPIC Regulator Positive Output Step-Down, Step-Up/Step-Down DC-DC Controller IC 38-QFN (5x7)
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 8 Weeks
Documents & Media
Datasheets LTC3859
EDA / CAD Models ? Download from Accelerated Designs
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - Voltage Regulators - DC DC Switching Controllers


Linear Technology

Series -
Packaging ? Tube ?
Part Status Active
Output Type Transistor Driver
Function Step-Down, Step-Up/Step-Down
Output Configuration Positive
Topology Buck, Buck-Boost, SEPIC
Number of Outputs 3
Output Phases 2
Voltage - Supply (Vcc/Vdd) 4.5 V ~ 38 V
Frequency - Switching 115kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max) 99%, 100%
Synchronous Rectifier Yes
Clock Sync No
Serial Interfaces -
Control Features Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature -40°C ~ 125°C (TJ)
Package / Case 38-WFQFN Exposed Pad
Supplier Device Package 38-QFN (5x7)
Related Products
Additional Resources
Standard Package ? 52
Other Names LTC3859IUHFPBF

00:32:31 10/22/2016

Price & Procurement

All prices are in EUR.
Price Break Unit Price Extended Price
1 9,39000 9,39
25 6,27440 156,86
100 5,33820 533,82

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) ? : LTC3859IUHF#TRPBF-ND
  • Minimum Quantity: 2.500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 5,42820
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