LT8331

FEATURES LT8331 Low IQ Boost/SEPIC/ Flyback/Inverting Converter with 0.5A, 140V Switch DESCRIPTION nn Wide Input Voltage Range: 4.5V to 100V nn Ultralow Quiescent Current and Low Ripple Burst Mode® Operation: IQ = 6µA nn 0.5A, 140V Power Switch nn Positive or Negative Output Voltage Programming with a Single Feedback Pin nn Programmable Frequency (100kHz to 500kHz) nn Synchronizable to an External Clock nn BIAS Pin for Higher Efficiency nn Programmable Undervoltage Lockout (UVLO) nn Thermally-Enhanced High Voltage MSOP Package APPLICATIONS nn Industrial and Automotive nn Telecom nn Medical Diagnostic Equipment nn Portable Electronics The LT®8331 is a current mode DC/DC converter with a 140V, 0.5A switch operating from a 4.5V to 100V input. With a unique single feedback pin architecture, it is capable of boost, SEPIC, flyback or inverting configurations. Burst Mode operation consumes as low as 6μA quiescent current to maintain high efficiency at very low output currents, while ...