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FA5310BP(S), FA5314P(S), FA5316P(S)FA5311BP(S), FA5315P(S), FA5317P(S)n DescripTIonThe FA531X series are bipolar ICs for switching power supplycontrol that can drive a power MOSFET.These ICs contain many funcTIons in a small 8-pin package.With these ICs, a high-performance and compact powersupply can be created because not many external discretecomponents are needed.n Features• Drive circuit for connecTIng a power MOSFET• Wide operaTIng frequency range (5 to 600kHz)• Pulse-by-pulse overcurrent limiting function• Overload cutoff function (Latch or non-protection mode selectable)• Output ON/OFF control function by external signal• Overvoltage cutoff function in latch mode• Undervoltage malfunction prevention function• Low standby current (90µA typical)• Exclusive choices by circuits (See selection guide on page 25)• 8-pin package (DIP/SOP)n Applications• Switching power supply for general equipment
