Description

The CS8121 is a 5V, 1A precision linear regulator with two microprocessor compatible control functions and protection circuitry included on chip. The composite NPN-PNP output pass transistor assures a lower dropout voltage (1.2V @ 1A) without requiring excessive supply current (4mA).

Features

■ 5V ± 4 Output Voltage

■ Low Dropout Voltage (1.2V @ 1A)

■ Low Quiescent Current (4mA @ IOUT = 1A)

■ µP Compatible Control Functions

ENABLE

RESET

■ Low Current Sleep Mode IQ = 250µA

■ Fault Protection Thermal Shutdown Short Circuit 60V Peak Transient Voltage