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.
Features
- Variable Frequency Control with 50% Duty Cycle
for Half-Bridge Resonant Converter Topologies.
- High Efficiency with Zero-Voltage-Switching (ZVS).
- Up to 600kHz Operating Frequency.
- Built-in High-Side Gate Driver.
- High Gate-Driving Current: +500mA/-1000mA.
- Programmable Dead Time with a Resistor.
- Pulse Skipping and Burst Operation for Frequency
Limit (Programmable) at Light-Load Condition.
- Simple Remote On/Off Control with Latch or
Auto-Restart (A/R) Using FI.