DESCRIPTION

The NE5568 is a control circuit for use in switched mode power supplies. It contains an internal temperature-compensated supply, PWM, sawtooth oscillator, over-current sense latch, and output

stage. The device is intended for low cost SMPS applications where extensive housekeeping functions are not required. The NE5568 is a selected version of the NE5561.

FEATURES

•Micro-miniature (D) package

•Pulse width modulator

•Current limiting (cycle by cycle)

•Sawtooth generator

•Stabilized power supply

•Double-pulse protection

•Internal temperature-compensated reference

APPLICATIONS

•Switch mode power supplies

•DC motor controller inverter

•DC/DC converter