Ordering number : ENA0718
Monolithic Linear IC
LA5771
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Separately-excited Step-down
Switching
Regulator (3.
3V)
The LA5771 is a separately-excited step-down switching
regulator (3.
3V).
Features
• 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 Input voltage Output current SW pin application reverse voltage Allowable power dissipation Symbol VIN max IO max Vsw Pd max1 Pd max2 Operating temperature Storage temperature Topr Tstg No heat sink Infinite heat sink Co...