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Product Overview
Digi-Key Part Number LTC3728LXCUH#PBF-ND
Quantity Available 314
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 LTC3728L/LX
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
Output Configuration Positive
Topology Buck
Number of Outputs 2
Output Phases 2
Voltage - Supply (Vcc/Vdd) 4.5 V ~ 28 V
Frequency - Switching 260kHz ~ 550kHz
Duty Cycle (Max) 99.4%
Synchronous Rectifier Yes
Clock Sync No
Serial Interfaces -
Control Features Enable, Power Good, Soft Start
Operating Temperature 0°C ~ 85°C (TA)
Package / Case 32-WFQFN Exposed Pad
Supplier Device Package 32-QFN (5x5)
For Use With
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Additional Resources
Standard Package ? 73
Other Names LTC3728LXCUHPBF

23:28:33 10/25/2016

Price & Procurement

All prices are in CAD.
Price Break Unit Price Extended Price
1 12.25000 12.25
25 8.70120 217.53
100 7.16150 716.15

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) ? : LTC3728LXCUH#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 7.30271
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