FAN7621 Description
The FAN7621 is a pulse frequency modulation controller for high−efficiency half−bridge resonant converters. Offering everything necessary to build a reliable and robust resonant converter, the FAN7621 simplifies designs and improves productivity, while improving performance. The FAN7621 includes a high−side gate−drive circuit, an accurate current controlled oscillator, frequency limit circuit, soft−start, and...
FAN7621 Key Features
- Variable Frequency Control with 50% Duty Cycle for Half-bridge
- High Efficiency through Zero Voltage Switching (ZVS)
- Fixed Dead Time (350 ns)
- Up to 300 kHz Operating Frequency
- Pulse Skipping for Frequency Limit (Programmable) at Light-Load
- Remote On/Off Control Using CON Pin
- Protection Functions: Over-Voltage Protection (OVP), Overload