The LCS708HG is an integrated LLC HiperLCS Power Stage incorporating a multi-function controller, high-side and low-side gate drivers, plus two power MOSFETs in a half-bridge configuration. The variable frequency controller provides high efficiency by switching the power MOSFETs at zero voltage (ZVS), eliminating switching losses. The device has high maximum operating frequency of 1MHz and nominal steady-state operation up to 500kHz. Precise duty symmetry balances output rectifier current, improving efficiency 50% ±0.3% typical at 300kHz.
Comprehensive fault handling and current limiting
Programmable brown-in/out thresholds and hysteresis
Undervoltage (UV) and overvoltage (OV) protection
Programmable over-current protection (OCP)
Short-circuit protection (SCP)
Over-temperature protection (OTP)
Programmable dead-time for optimized design
Programmable burst mode maintains regulation at no-load and improves light load efficiency
Programmable soft-start time and delay before soft-start
Accurate programmable minimum and maximum frequency limits
