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LA5757TP - Separately-excited Step-down Switching Regulator

Description

1.

Calculation equation to set the output voltage This IC controls the switching output so that the VOS pin voltage becomes 1.255V (typ).

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

Features

  • Output smoothing condenser can use a Low ESR condenser for the reliability improvement.
  • High efficiency.
  • Four external parts.
  • Time-base generator (300kHz) incorporated.
  • Current limiter incorporated.
  • Thermal shutdown circuit incorporated.
  • Soft start circuit incorporated Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Conditions Input voltage Output current SW pin.

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Datasheet Details

Part number LA5757TP
Manufacturer onsemi
File Size 62.22 KB
Description Separately-excited Step-down Switching Regulator
Datasheet download datasheet LA5757TP Datasheet

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Full PDF Text Transcription

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Ordering number : ENA1439 LA5757TP Monolithic Linear IC Separately-excited Step-down Switching Regulator (Variable Type) http://onsemi.com Overview The LA5757TP is a separately-excited step-down switching regulator (variable type).
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