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LA5779N - Monolithic Linear IC Separately-excited Step-down Switching Regulator

Description

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

The VOS pin has the inrush current of 1µA (typ).

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Ordering number : ENA0795 Monolithic Linear IC LA5779N www.DataSheet4U.com Separately-excited Step-down Switching Regulator (Variable Type) Overview The LA5779N 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 Parameter Maximum Input voltage Absolute Maximum Ratings at Ta = 25°C Symbol VIN max IO max VSW Pd max1 Pd max2 Operating temperature Storage temperature Topr Tstg Infinitely large heat sink. No heat sink. Conditions Ratings 30 3 -1 7.5 1.
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