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Product Overview
Digi-Key Part Number LT1959IR#PBF-ND
Quantity Available 663
Can ship immediately

Manufacturer Part Number


Description Buck, SEPIC Switching Regulator IC Positive Adjustable 1.21V 1 Output 4.5A (Switch) TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Manufacturer Standard Lead Time 4 Weeks
Documents & Media
Datasheets LT1959
EDA / CAD Models ? Download from Accelerated Designs
Online Catalog Multi-Topology
Product Attributes Select All

Integrated Circuits (ICs)


PMIC - Voltage Regulators - DC DC Switching Regulators


Linear Technology

Series -
Packaging ? Tube ?
Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck, SEPIC
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.3V
Voltage - Input (Max) 15V
Voltage - Output (Min/Fixed) 1.21V
Voltage - Output (Max) 12.9V
Current - Output 4.5A (Switch)
Frequency - Switching 500kHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case TO-263-8, D²Pak (7 Leads + Tab), TO-263CA
Supplier Device Package D2PAK-7
For Use With
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Additional Resources
Standard Package ? 50
Other Names LT1959IRPBF

20:48:28 10/24/2016

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 11.56000 11.56
25 7.67400 191.85
100 5.77880 577.88

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) ? : LT1959IR#TRPBF-ND
  • Minimum Quantity: 750  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: 5.90437
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