LCS700HG Datasheet | Power Integrations

atures - LLC half-bridge power stage incorporating controller, high and low-side gate drives, and high-voltage power MOSFETs - Eliminates up to 30 external ponents - High maximum operating frequency of 1 MHz - Nominal steady-state operation up to 500 k Hz - Dramatically reduces magnetics size and allows use of SMD ceramic output capacitors - Precise duty symmetry balances output rectifier current, improving efficiency - 50% ±0.3% typical at 300 k Hz - prehensive 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 - Single package designed for high-power and high-frequency - Reduces assembly cost and reduces PCB layout loop areas - Simple single clip attachment to heat sink - Exposed thermal pad connected to ground potential - no insulators required between package and heat sink - Staggered pin arrangement for simple PC board routing and high-voltage creepage requirements - Paired with Hiper PFS PFC product gives plete, high efficiency, low part count PSU solutions Applications - High-efficiency power supplies (80 PLUS Silver, Gold and Platinum) - LCD TV power supplies - LED street and area lighting - Printer power supplies - Audio amplifier Description The Hiper LCS is an integrated LLC power stage incorporating a multi-function controller, high-side and low-side gate drivers, plus two power MOSFETs in a half-bridge configuration. Figure 1 shows a simplified schematic of a Hiper LCS based power stage where the LLC resonant inductor is integrated into the transformer. The variable...