LA5779MP Datasheet (ON Semiconductor) - Separately-excited Step-down Switching Regulator

LA5779MP, Separately-excited Step-down Switching Regulator

of Functional Settings Calculation equation to set the output voltage This IC controls the switching output so that the VOS pin voltage becomes 1.23V (typ).

The equation to set the output voltage is as follows: VO = 1+ R2 R1 × 1.23V(typ) The VOS pin has the inrush current of 1μA (typ).

Therefo

Ordering number : ENA0498 LA5779MP Monolithic Linear IC Separately-excited Step-down Switching Regulator (Variable Type) http://onsemi.com Overview The LA5779MP is a Separately-excited step-down switching regulator (variable type).

Functions High efficiency.

Six external parts.

Time-base generator (160kHz) incorporated.

Current limiter incorporated.

Thermal shutdown circuit incorporated.

ON/OFF function.

Specifications Absolute Max