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Sanyo Semicon Device - Monolithic Linear IC Separately-Excited Step-Down Switching Regulator

Numéro de référence LA5774MP
Description Monolithic Linear IC Separately-Excited Step-Down Switching Regulator
Fabricant Sanyo Semicon Device 
Logo Sanyo Semicon Device 





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LA5774MP fiche technique
Ordering number : ENA0490
LA5774MP
Monolithic Linear IC
Separately-excited Step-down
Switching Regulator
(Variable Type)
Overview
www.DataSheet4UT.choemLA5774MP 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
Absolute Maximum Ratings at Ta = 25°C
Parameter
Maximum Input voltage
Maximum Output current
SW pin application reverse voltage
Allowable power dissipation
Symbol
VIN max
IO max
VSW
Pd max
Conditions
Mounted on a substrate.*
Operating temperature
Topr
Storage temperature
Tstg
* Specified substrate : 76.1×114.3×1.6mm3 : Copper foil ratio 60FR4
Ratings
30
3
-1
3.9
-30 to +125
-40 to +150
Recommended Operating Conditions at Ta = 25°C
Parameter
Input voltage range
Symbol
VIN
Conditions
Ratings
4.5 to 28
Unit
V
A
V
W
°C
°C
Unit
V
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft’s control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
72606 MS PC B8-9089 No.A0490-1/5

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