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Product Overview
Digi-Key Part Number LTC3891EFE#PBF-ND
Quantity Available 356
Can ship immediately

Manufacturer Part Number


Description Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-TSSOP-EP
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 4 Weeks
Documents & Media
Datasheets LTC3891
EDA / CAD Models ? Download from Accelerated Designs
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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 1
Output Phases 1
Voltage - Supply (Vcc/Vdd) 4 V ~ 60 V
Frequency - Switching 105kHz ~ 835kHz, 350kHz ~ 535kHz
Duty Cycle (Max) 99%
Synchronous Rectifier Yes
Clock Sync No
Serial Interfaces -
Control Features Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking
Operating Temperature -40°C ~ 125°C (TJ)
Package / Case 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package 20-TSSOP-EP
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Additional Resources
Standard Package ? 74
Other Names LTC3891EFEPBF

10:08:03 10/28/2016

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 7.79000 7.79
25 5.22000 130.50
100 4.43000 443.00

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) ? : LTC3891EFE#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 4.53000
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