Controller IC Chip - 3A Ultra Low Dropout Linear Regulator MOSFET APL5933 APL5933A APL5933B APL5933C APL5933D chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή (Κωδ.1-CHIP0293) The APL5933A/B/C/D is a 3A ultra low dropout linearregulator.  The IC needs two supply voltages, one is acontrol voltage (VCNTL)for the control circuitry, the other isa main supply Voltage(VIN) for power conversion, to re-duce power dissipation and provide extremely low drop-out voltage.The APL5933A/B/C/D integrates many functions. A Power-On-Reset (POR) circuit monitors both supply voltages onVCNTL and VIN pins to prevent erroneous operations. Thefunctions of thermal shutdown and current-limit protectthe device against thermal and current over-loads. A POKindicates that the output voltage status with a delay timeset internally. It can control other converter for powersequence. APL5933A/B/C/D can be enabled by otherpower systems. Pulling and holding the EN voltage be-low 0.4V or ENB above 1.2V will shuts of

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