Analog Devices LT3748 | Demoboard DC1557A

Beschreibung

The LT®3748 is a switching regulator controller specificallydesigned for the isolated flyback topology and capable ofhigh power. It drives a low side external N-channel powerMOSFET from an internally regulated 7V supply. No thirdwinding or opto-isolator is required for regulation as thepart senses the isolated output voltage directly from theprimary-side flyback waveform.

Eigenschaften

• 5V to 100V Input Voltage Range
• 1.9A Average Gate Drive Source and Sink Current
• Boundary Mode Operation
• No Transformer Third Winding or Opto-Isolator Required for Regulation
• Primary-Side Winding Feedback Load Regulation
• VOUT Set with Two External Resistors
• INTVCC Pin for Control of Gate Driver Voltage
• Programmable Soft Start
• Programmable Undervoltage Lockout
• Available in MSOP Package

Typische Anwendungen

• Military and High Temperature Applications
• Isolated Industrial Power Supplies
• Telecom and Industrial
• High Power Automotive Supplies

Weiterführende Informationen

• Datenblatt