The LD1117S50CTR datasheet states that it is a Low-drop Voltage Regulator with an adjustable version (VREF =1.25 V) that has a 5V output voltage and an output current of up to 800mA. The excellent efficiency is ensured by the NPN pass transistor. In reality, in contrast to PNP, the quiescent current in this scenario flows largely into the load. Only a standard 10F minimum capacitor is needed for stability. The regulator may achieve an incredibly tight output voltage tolerance of less than 1% at 25°C thanks to on-chip trimming. The other standard and the adjustable regulator are compatible pin for pin. An adjustable voltage regulator maintains superior performance in terms of drop and tolerance.
LD1117S50CTR Features
Output current up to 800 mA
Low dropout voltage (1V typical)
Internal current and thermal limit
75dB (typical) Supply voltage rejection
2.85V Device performances are suitable for SCSI-2 active termination