Ordering number : ENA0717C
LA5744
Monolithic Linear IC
Separately-Excited Step-Down Switching
Regulator (Variable Type)
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Overview
The LA5744 is a separately-excited step-down switching
regulator (variable type).
Functions
• High efficiency.
• 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 Maximum output current SW pin application reverse voltage Allowable power dissipation
VIN IO max VSW Pd max1
No heat sink
Pd max2
Infinite heat sink
Operating temperature
Topr
Storage temp...