APL5934 APL5934D 5934 IC

Description

The APL5934 is a 3A ultra low dropout linear regulator. The IC needs two supply voltages, one is a control voltage (V CNTL ) for the control circuitry, the other is a main supply voltage (V IN ) for power conversion, to reduce power dissi- pation and provide extremely low dropout voltage. The APL5934/B integrates many functions. A Power-On- Reset (POR) circuit monitors both supply voltages on VCNTL and VIN pins to prevent erroneous operations. The functions of thermal shutdown and current-limit pro- tect the device against thermal and current over-loads. A POK indicates the output voltage status with a delay time set internally. It can control other converter for power sequence. The APL5934/B can be enabled by other power systems. Pulling and holding the EN/ENB voltage below 0.4V shut/enable off the output. The APL5934 is available in a SOP-8P package which features small size as SOP-8 and an Exposed Pad to reduce the junction-to-case resistance to extend power range of applications.

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