LM78S40 Datasheet - National Semiconductor

LM78S40 Universal Switching Regulator Subsystem

The LM78S40 is a monolithic regulator subsystem consisting of all the active building blocks necessary for switching regulator systems. The device consists of a temperature compensated voltage reference, a duty-cycle controllable oscillator with an active current limit circuit, an error amplifier, h.

LM78S40 Features

* wide supply voltage range, low standby power dissipation, high efficiency and low drift. It is useful for any stand-alone, low part count switching system and works extremely well in battery operated systems. Features n n n n n n n n Step-up, step-down or inverting switching regulators Output adjus

LM78S40_NationalSemiconductor.pdf