Power supply secondary side, synchronous rectification controllers. Fixed frequency flyback and forward PWM controllers.
Feature
Fixed−Frequency Current−Mode Operation with Built−In Ramp Compensation
65 kHz or 100 kHz Oscillator Frequency version
Frequency Foldback then Skip Mode for Maximized Performance in Light Load and Standby Conditions
Timer−Based Overload Protection with Latched (option A) or Auto−Recovery (option B) Operation
High−voltage Current Source with Dynamic Self−Supply, Simplifying the Design of the VCC Capacitor
Frequency Modulation for Softened EMI Signature, including during Frequency Foldback mode
Adjustable Overpower Compensation
Latch−off Input for Severe Fault Conditions, Allowing Direct Connection of an NTC for Overtemperature Protection (OTP)
VCC Operation up to 28 V, with Overvoltage Detection
±500 mA Peak Source/Sink Current Drive Capability
4.0 ms Soft−Start
Internal Thermal Shutdown
Pin−to−Pin Compatible with the Existing NCP12xx Series
These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant
