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Product Overview
Digi-Key Part Number LTC3731CUH#PBF-ND
Quantity Available 305
Can ship immediately

Manufacturer Part Number


Description Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-QFN (5x5)
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 5 Weeks
Documents & Media
Datasheets LTC3731
EDA / CAD Models ? Download from Accelerated Designs
Catalog Page 1135 (EU2011-EN PDF)
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - Voltage Regulators - DC DC Switching Controllers


Linear Technology

Series PolyPhase®
Packaging ? Tube ?
Part Status Active
Output Type Transistor Driver
Function Step-Down
Output Configuration Positive
Topology Buck
Number of Outputs 3
Output Phases 3
Voltage - Supply (Vcc/Vdd) 3.8 V ~ 7 V
Frequency - Switching 225kHz ~ 680kHz
Duty Cycle (Max) 98.5%
Synchronous Rectifier Yes
Clock Sync No
Serial Interfaces -
Control Features Enable, Phase Control, Power Good, Soft Start
Operating Temperature 0°C ~ 70°C (TA)
Package / Case 32-WFQFN Exposed Pad
Supplier Device Package 32-QFN (5x5)
For Use With
Related Products
Additional Resources
Standard Package ? 73

09:56:17 10.21.2016

Price & Procurement

All prices are in EUR.
Price Break Unit Price Extended Price
1 8,25000 8,25
25 5,86920 146,73
100 4,83410 483,41

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) ? : LTC3731CUH#TRPBF-ND
  • Minimum Quantity: 2 500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 4,92410
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