NCP1397A Series 20V 560kHz High Performance Resonant Mode Controller - SOIC-16 The NCP1397 is a high performance controller that can be utilized in half bridge resonant topologies such as series resonant, parallel resonant and LLC resonant converters. It integrates 600 V gate rivers, simplifying layout and reducing external component count. With its unique architecture, including a 500 kHz Voltage Controlled Oscillator whose control mode permits flexibility when an ORing function is required, the NCP1397 delivers everything needed to build a reliable and rugged resonant mode power supply. Features •High−Frequency Operation from 50 kHz up to 500 kHz •600 V High−Voltage Floating Driver •Adjustable Minimum Switching Frequency with 3% Accuracy •Adjustable Deadtime from 100 ns to 2 s. •Startup Sequence Via an Externally Adjustable Soft−Start •Brown−Out Protection for a Simpler PFC Association •Latched Input for Severe Fault Conditions, e.g. Over Temperature or OVP •Timer−Based Input with Auto−Recovery Operation for Delayed Event Reaction •Latched Overcurrent Protection •Disable Input for Immediate Event Reaction or Simple ON/OFF Control •VCCOperation up to 20 V •Low Startup Current of 300 A •1 A / 0.5 A Peak Current Sink / Source Drive Capability •Common Collector Optocoupler Connection for Easier ORing •Optional Common Emitter Optocoupler Connection •Internal Temperature Shutdown •These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
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