LM5026
Features
- 1 Current-Mode Control
- Internal 100-V Start-Up Bias Regulator
- 3-A pound Main Gate Driver
- High Bandwidth Optocoupler Interface
- Programmable Line Undervoltage Lockout (UVLO)
With Adjustable Hysteresis
- Versatile Dual Mode Overcurrent Protection With
Hiccup Delay Timer
- Programmable Overlap or Deadtime between the
Main and Active Clamp Outputs
- Programmable Maximum Duty Cycle Clamp
- Programmable Soft-Start
- Leading Edge Blanking
- Resistor Programmed 1-MHz Capable Oscillator
- Oscillator Sync I/O Capability
- Precision 5-V Reference
2 Applications
- Server Power Supplies
- 48-V Tele Power Supplies
- High Efficiency DC- DC Power Supplies
3 Description
The LM5026 PWM controller contains all of the features necessary to implement power converters utilizing the active clamp and reset technique with current-mode control. With the active clamp technique, higher efficiencies and greater power densities can be realized pared to conventional catch winding or RDC clamp and...
