Update: 01 October, 2023
The LT®3845 is a high voltage, synchronous, current mode controller used for medium to high power, high effi ciency supplies. It offers a wide 4V to 60V input range (7.5V minimum start-up voltage). An onboard regulator simplifi es the biasing requirements by providing IC power directly from VIN. Burst Mode® operation maintains high effi ciency at light loads by reducing IC quiescent current to 120μA. Light load effi ciency is also improved with the reverse inductor current inhibit function which supports discontinuous operation. Additional features include adjustable fi xed operating frequency that can be synchronized to an external clock for noise sensitive applications, gate drivers capable of driving large N-channel MOSFETs, a precision undervoltage lockout, 10μA shutdown current, short-circuit protection and a programmable soft-start. The LT3845 is available in a 16-lead thermally enhanced TSSOP package.
File format: PDF
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MD5 Checksum: A7FBB6078B97B72A07F7D9139318E67A
Publication date: 09 May, 2012
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PDF Link: LINEAR TECHNOLOGY - LT3845 handbook PDF