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Product Overview
Digi-Key Part Number LTC1149CS#PBF-ND
Quantity Available 271
Can ship immediately

Manufacturer Part Number


Description Buck Regulator Positive Output Step-Down DC-DC Controller IC 16-SOIC
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 4 Weeks
Documents & Media
Datasheets LTC1149(-3.3,-5)
EDA / CAD Models ? Download from Accelerated Designs
Online Catalog Buck (Step-Down) IC
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) Up to 48V
Frequency - Switching Up to 250kHz
Duty Cycle (Max) 100%
Synchronous Rectifier Yes
Clock Sync No
Serial Interfaces -
Control Features Current Limit, Enable
Operating Temperature 0°C ~ 70°C (TA)
Package / Case 16-SOIC (0.154", 3.90mm Width)
Supplier Device Package 16-SOIC
For Use With
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Additional Resources
Standard Package ? 50
Other Names LTC1149CSPBF

14:57:41 10/25/2016

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 10.05000 10.05
25 6.67320 166.83
100 5.02500 502.50

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) ? : LTC1149CS#TRPBF-ND
  • Minimum Quantity: 2,500  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 5.09998
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