The CS8128 is a 5V linear regulator that uses an external PNP transistor for high current operation. It offers superior performance compared to traditional monolithic regulators. The typical dropout voltage is 100mV at 500mA and increases to 350mV at 3A.
The CS8128 is a 5V Linear Controller/Driver designed to implement a 5V linear regulator. It utilizes an external pass device to achieve superior performance compared to conventional monolithic regulators, offering a typical dropout voltage of 100mV at 500mA and low quiescent current.
| Output Voltage | 4.85V to 5.15V |
|---|---|
| Dropout Voltage (Iout=500mA) | 0.1V to 0.6V |
| Supply Current (Iout < 500mA) | 5mA to 15mA |
| Line Regulation | 2mV to 50mV |
| Vin Overvoltage Shutdown | 32V to 40V |
| Thermal Shutdown Threshold | approximately 180°C |
The CS8128 with a TIP42 PNP transistor typically provides a 100mV dropout voltage at 500mA.
The quiescent current at 500mA output is only 5mA.
The device includes an over voltage shutdown circuit activated by connecting the SHUTDOWN lead to the input, typically occurring at 36V.