Description

Digital Controller for Isolated Power Supply with PMBus Interface Features: Versatile digital voltage mode controller High speed input voltage feedforward control 6 pulse-width modulation (PWM) logic outputs with 625 ps resolution Switching frequency: 49 kHz to 625 kHz Frequency synchronization as master and slave device Multiple energy saving modes Adaptive dead time compensation for efficiency optimization Low device power consumption: 100 mW typical Extensive fault detection and protection PMBus compliant Direct parallel control for power supplies without OR’ing devices Accurate droop current share Pre-bias startup Reverse current protection Conditional overvoltage protection Graphical user interface (GUI) for ease of programming On-board EEPROM for programming and data storage Available in a 24-lead, 4 mm × 4 mm LFCSP −40°C to +125°C operating temperature