This evaluation board is a 200W half bridge LLC resonant converter using an 8-pin LLC controller ICE1HS01G-1 as well as a high voltage CoolMOS™ Power MOSFET IPA50R299CP, developed by Infineon Technologies. ICE1HS01G-1 is specially designed for applications of switch mode power supplies used in LED/OLED/LCD/PDP TV, AC-DC adapter and audio system.
- maximum 600kHz switching frequency
- adjustable minimum switching frequency with high accuracy
- 50% duty cycle
- mains input under voltage protection with adjustable hysteresis
- two levels of over-current protection: frequency shift and latch off
- open-loop/over load protection with extended blanking time
- built-in digital and nonlinear soft-start
- adjustably restart time during fault protection
- PCB Layout easily implemented
- all necessary control strategies for HB LLC resonant converter.
- flexible operation frequency range by prgramming the oscillator with an external resistor
- built-in soft-start function to limit both the inrush current and the overshoot of output voltage
- peforms all necessary protection functions in HB LLC resonant converters
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