Fixed frequency pulse-width-modulation voltage regulation circuit from ST. The monolithic IC contains all the functions required to control a regulating power supply, inverter or switching regulator. The device includes programmable oscillator, pulse-steering flip, a high-gain comparator, start-up circuit and current limiting circuitry. * Low standby current, 8mA typical * Operation up to 300KHz * Supplied in a DIL-16 package