NCP1399 Current Mode Resonant Controller Evaluation Board

The NCP1399 is a high performance current mode controller for half bridge resonant converters. This controller implements 600 V gate drivers, simplifying layout and reducing external component count. The built-in Brown-Out input function eases implementation of the controller in all applications. In applications where a PFC front stage is needed, the NCP1399 features a dedicated output to drive the PFC controller. This feature together with dedicated skip mode technique further improves light load efficiency of the whole application. The NCP1399 provides a suite of protection features allowing safe operation in any application. This includes: overload protection, over-current protection to prevent hard switching cycles, brown-out detection, open optocoupler detection, automatic dead-time adjust, overvoltage (OVP) and over temperature (OTP) protections. High-Frequency Operation from 20 kHz up to 750 kHz Current Mode Control Scheme Automatic Dead-time with Maximum Dead-time Clamp Dedicated Startup Sequence for Fast Resonant Tank Stabilization Skip Mode Operation for Improved Light Load Efficiency Off-mode Operation for Extremely Low No-load Consumption Latched or Auto-Recovery Overload Protection Latched or Auto-Recovery Output Short Circuit Protection Latched Input for Severe Fault Conditions, e.g. OVP or OTP Out of Resonance Switching Protection Open Feedback Loop Protection Precise Brown-Out Protection PFC Stage Operation Control According to Load Conditions Startup Current Source with Extremely Low Leakage Current Dynamic Self-Supply (DSS) Operation in Off-mode or Fault Modes Pin to Adjacent Pin / Open Pin Fail Safe These are Pb-Free Devices