Ordering number : ENA0498
LA5779MP
Monolithic Linear IC
Separately-excited Step-down Switching
Regulator (Variable Type)
http://onsemi.
com
Overview
The LA5779MP is a Separately-excited step-down switching
regulator (variable type).
Functions
• High efficiency.
• Six external parts.
• Time-base generator (160kHz) incorporated.
• Current limiter incorporated.
• Thermal shutdown circuit incorporated.
• ON/OFF function.
Specifications
Absolute Maximum Ratings at Ta = 25°C
Parameter
Symbol
Conditions
Maximum Input voltage Maximum Output current SW pin application reverse voltage Allowable power dissipation
VIN max IO max VSW Pd max
Mounted on a substrate.
*
Operating temperature
Topr
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