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LA5779MP - Separately-excited Step-down Switching Regulator

General Description

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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Datasheet Details

Part number LA5779MP
Manufacturer onsemi
File Size 112.51 KB
Description Separately-excited Step-down Switching Regulator
Datasheet download datasheet LA5779MP Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Maximum Input voltage Maximum Output current SW pin application reverse voltage Allowable power dissipation VIN max IO max VSW Pd max Mounted on a substrate.* Operating temperature Topr Storage temperature Tstg * Specified substrate : 76.1×114.3×1.