The NCP13992 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 NCP13992 features a dedicated output to drive the

PFC controller. This feature together with quiet skip mode technique

further improves light load efficiency of the whole application. The

NCP13992 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,

over?voltage (OVP) and over?temperature (OTP) protections.

特性 Features

? 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

? Light Load Operation Mode for Improved Efficiency

? Quiet Skip Operation Mode for Minimize Transformer Acoustic Noise

? 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

Typical Applications

? Adapters and Offline Battery Chargers

? Flat Panel Display Power Converters

? Computing Power Supplies

? Industrial and Medical Power Sources