DESCRIPTION
The NE/SE5562 is a single-output control circuit for switched-mode power supplies. This single monolithic IC contains all control and protection features needed for full-featured switched-mode power supplies.

FEATURES
•Stabilized power supply
•Temperature-compensated reference source
•Sawtooth generator
•Pulse width modulator
•Remote on/off switching
•Current limiting (2 levels)
•Auxiliary comparator, with adjustable hysteresis
•Loop fault protection
•Demagnetization/overvoltage protection
•Duty cycle adjust and clamp
•Feed-forward control
•External synchronization
•Total shutdown after adjustable number of overcurrent faults
•Soft-start