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Product Overview
Digi-Key Part Number LTC3728LEUH-1#PBF-ND
Quantity Available 223
Can ship immediately

Manufacturer Part Number


Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 6 Weeks
Detailed Description

Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-QFN (5x5)

Documents & Media
Datasheets LTC3728L-1
EDA / CAD Models ? Download from Ultra Librarian
Online Catalog Buck (Step-Down) IC
Product Attributes Select All
Manufacturer Linear Technology/Analog Devices
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 -40°C ~ 85°C (TA)
Package / Case 32-WFQFN Exposed Pad
Supplier Device Package 32-QFN (5x5)
Base Part Number LTC3728-1
For Use With
Additional Resources
Standard Package ? 73

13:31:00 3/22/2018

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 9.87000 $9.87
25 6.99720 $174.93
100 5.76300 $576.30

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) ? : LTC3728LEUH-1#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: $5.86504
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