LA5751 - Separately-Excited Step-Down Switching Regulator

Product Overview

Sanyo Semicon Device

Part number	LA5751
Manufacturer	Sanyo Semicon Device
File Size	99.92 KB
Description	Separately-Excited Step-Down Switching Regulator
Datasheet	LA5751 Datasheet
Additional preview pages of the LA5751 datasheet.

1.Start delay function The SS pin has the internally-connected 22µA (typ) constant-current supply.

When the voltage of SS pin exceeds the threshold voltage, the regulator starts operation.

As the threshold is 0.62V(typ), the start delay time can be calculated as follows: ex.

High efficiency.
Four external parts.
Time-base generator (60kHz) incorporated.
Current limiter incorporated.
Thermal shutdown circuit incorporated.
Soft start circuit incorporated Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Input voltage Output current SW pin.

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Published: Dec 16, 2008 |