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LA5724MC fiches techniques PDF

ON Semiconductor - Separately-Excited Step-Down Switching Regulator

Numéro de référence LA5724MC
Description Separately-Excited Step-Down Switching Regulator
Fabricant ON Semiconductor 
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LA5724MC fiche technique
Ordering number : ENA2021
LA5724MC
Monolithic Linear IC
Separately-Excited Step-Down
Switching Regulator
(Variable Type)
http://onsemi.com
Overview
The LA5724MC is a separately-excited step-down switching regulator (variable type).
Functions
Time-base generator (160kHz) incorporated.
Current limiter incorporated.
Thermal shutdown circuit incorporated.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Input voltage
SW pin application reverse voltage
VOS pin application voltage
Allowable power dissipation
VIN
VSW
VVOS
Pd max
Mounted on a circuit board.*
30
-1
-0.2 to 7
0.8
V
V
V
W
Operating temperature
Topr
-30 to +125
°C
Storage temperature
Tstg
-40 to +150
°C
Junction temperature
Tj max
150 °C
* Specified circuit board : 114.3×76.1×1.6mm3, glass epoxy board.
Caution 1) Absolute maximum ratings represent the value which cannot be exceeded for any length of time.
Caution 2) Even when the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current,
high voltage, or drastic temperature change, the reliability of the IC may be degraded. Please contact us for the further details.
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating
Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
Recommended Operating Conditions at Ta = 25°C
Parameter
Input voltage range
Symbol
VIN
Conditions
Ratings
4.5 to 28
Unit
V
Semiconductor Components Industries, LLC, 2013
August, 2013
32812 SY 20120207-S00001 No.A2021-1/6

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