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Product Overview
Digi-Key Part Number LTC3789EUFD#PBF-ND
Quantity Available 177
Can ship immediately

Manufacturer Part Number


Description Buck-Boost Regulator Positive Output Step-Up/Step-Down DC-DC Controller IC 28-QFN (4x5)
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 4 Weeks
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-Up/Step-Down
Output Configuration Positive
Topology Buck-Boost
Number of Outputs 2
Output Phases 1
Voltage - Supply (Vcc/Vdd) 4 V ~ 38 V
Frequency - Switching 200kHz ~ 640kHz
Duty Cycle (Max) 90%
Synchronous Rectifier Yes
Clock Sync No
Serial Interfaces -
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start
Operating Temperature -40°C ~ 125°C (TJ)
Package / Case 28-WFQFN Exposed Pad
Supplier Device Package 28-QFN (4x5)
Direct Substitute ?
Digi-Key Part Number Manufacturer Part Number Manufacturer Packaging Quantity Available Unit Price Minimum Quantity
LTC3789EUFD#TRPBF-ND LTC3789EUFD#TRPBF Linear Technology Tape & Reel (TR) ? 0
5.56998 2,500  Non-Stock ?
For Use With
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Additional Resources
Standard Package ? 73

00:46:51 10/22/2016

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 9.55000 9.55
25 6.64000 166.00
100 5.47000 547.00

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) ? : LTC3789EUFD#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 5.56998
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