LA5774MP - 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 1.26V (typ).

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

Sanyo Semicon Device

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Datasheet Details

Part number	LA5774MP
Manufacturer	Sanyo Semicon Device
File Size	204.59 KB
Description	Separately-Excited Step-Down Switching Regulator
Datasheet	LA5774MP Datasheet
Additional preview pages of the LA5774MP datasheet.

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Full PDF Text Transcription

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Ordering number : ENA0490 Monolithic Linear IC LA5774MP www.DataSheet4U.com Separately-excited Step-down Switching Regulator (Variable Type) Overview The LA5774MP is a Separately-excited step-down switching regulator (variable type). Functions • Low-ESR capacitor with increased reliability applicable as the output smoothing capacitor. • High efficiency. • Four external parts. • Time-base generator (160kHz) incorporated. • Current limiter incorporated. • Thermal shutdown circuit incorporated. • Soft start circuit incorporated. Specifications Parameter Maximum Input voltage Absolute Maximum Ratings at Ta = 25°C Symbol VIN max IO max VSW Pd max Topr Tstg Mounted on a substrate.* Conditions Ratings 30 3 -1 3.

Published: Dec 16, 2008 |