LT8330 - Low IQ Boost/SEPIC/Inverting Converter with 1A, 60V Switch

The LT®8330 is a current mode DC/DC converter capable of generating either positive or negative output voltages using a single feedback pin. It can be configured as a boost, SEPIC or inverting converter consuming as low as 6μA of quiescent current. Low ripple Burst Mode operation maintains high efficiency down to very low output currents while keeping the output ripple below 15mV in a typical application. The internally compensated current mode architecture results in stable operation over a wide range of input and output voltages. Integrated soft-start and frequency foldback functions are included to control inductor current during start-up. The 2MHz operation combined with small package options, enables low cost, area efficient solutions.

Features
  • 3V to 40V Input Voltage Range
  • Ultralow Quiescent Current and Low Ripple Burst Mode® Operation: IQ = 6μA
  • 1A, 60V Power Switch
  • Positive or Negative Output Voltage Programming with a Single Feedback Pin
  • Fixed 2MHz Switching Frequency
  • Accurate 1.6V EN/UVLO Pin Threshold
  • Internal Compensation and Soft-Start
  • Low Profile (1mm) ThinSOT™ Package
  • Low Profile (0.75mm) 8-Lead (3mm × 2mm) DFN Package
Typical Application
LT8330 Typical Application
LT8330 Typical Application
Applications
  • Industrial and Automotive
  • Telecom
  • Medical Diagnostic Equipment
  • Portable Electronics
Packaging
LT8330 Package Drawing
LT8330 Package Drawing
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LT8330EDDB#PBF3x2 DFN-8E$3.57
LT8330EDDB#TRMPBF3x2 DFN-8E$3.57$2.55
LT8330EDDB#TRPBF3x2 DFN-8E$3.57$2.50
LT8330ES6#PBFSOT-23E$3.57
LT8330ES6#TRMPBFSOT-23E$3.57$2.55
LT8330ES6#TRPBFSOT-23E$3.57$2.50
LT8330HDDB#PBF3x2 DFN-8H$4.29
LT8330HDDB#TRMPBF3x2 DFN-8H$4.29$3.05
LT8330HDDB#TRPBF3x2 DFN-8H$4.29$3.00
LT8330HS6#PBFSOT-23H$4.29
LT8330HS6#TRMPBFSOT-23H$4.29$3.05
LT8330HS6#TRPBFSOT-23H$4.29$3.00
LT8330IDDB#PBF3x2 DFN-8I$3.93
LT8330IDDB#TRMPBF3x2 DFN-8I$3.93$2.80
LT8330IDDB#TRPBF3x2 DFN-8I$3.93$2.75
LT8330IS6#PBFSOT-23I$3.93
LT8330IS6#TRMPBFSOT-23I$3.93$2.80
LT8330IS6#TRPBFSOT-23I$3.93$2.75
Demo Boards
Part NumberDescriptionPrice
DC2018ALT8330 Demo Board | Dual circuits. 1) 10V to 36V input to 48V at 135mA & 2) 4V to 36V input to -12V at 270mA$150.00
Datasheet
Reliability Data
LT Journal
Article
Press Release
CAD Symbol
LTspice
LTpowerCAD
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LT8330 Footprints and Symbols
LT8330 Demo Circuit - 48V Boost Converter (10-36V to 48V @ 135mA)
LT8330 Demo Circuit - Inverting Converter (4-36V to -12V @ 270mA)
LT8330 Project - Boost Controller (10-36V to 48V @ 140mA)