Features
n 3V to 40V Input Voltage Range n 0.
65A, 60V Integrated
NPN Power Switch n Boundary Mode Operation n No Transformer Third Winding or
Opto-Isolator Required for Regulation n Improved Primary-Side Winding Feedback
Load Regulation n VOUT Set with Two External Resistors n BIAS Pin for Internal Bias Supply and Power
NPN Driver n Programmable Soft-Start n Programmable Power Switch Current Limit n 16-Lead MSOP Package
Applications
n Industrial, Automotive and Medical Isolated Power Supplies
LT3574
Isolated Flyback Converter Without an Opto-Coupler
Description
The LTĀ®3574 is a monolithic switching
regulator specifically designed for the isolated flyback topology.
No third winding or opto-i...