FAN7631 Description
The FAN7631 is a pulse−frequency modulation controller for high−efficiency half−bridge resonant converters that includes a high−side gate drive circuit, an accurate current−controlled oscillator, and various protection functions.
FAN7631 Key Features
- Variable Frequency Control with 50% Duty Cycle for Half-Bridge
- High Efficiency with Zero-Voltage-Switching (ZVS)
- Up to 600 kHz Operating Frequency
- Built-in High-Side Gate Driver
- High Gate-Driving Current: +500 mA/-1000 mA
- Programmable Dead Time with a Resistor
- Pulse Skipping and Burst Operation for Frequency Limit
- Simple Remote On/Off Control with Latch or Auto-Restart (A/R)
- Protection Functions: Over-Voltage Protection (OVP), Overload
- Level-Change OCP Function During Startup