Description

The SC900A is a highly integrated power management device for low power portable applications. The device contains five adjustable low-dropout linear regulators (LDOs) with CMOS pass-devices as well as a band-gap reference, I2C interface, and DACs to control the output voltages.

Features

◆ Five LDO regulators in one package

◆ I2C interface with multiple device capability

◆ Independent I2C enable/disable of LDOs

◆ Independent I2C control of output voltages

◆ Low thermal impedance of 40°C per watt

◆ 150mV dropout at 150mA

◆ Input range from 2.7V to 5.5V

◆ Programmable power good flag

◆ Minimal number of external components

◆ Over temperature protection

◆ Small 4mm x 4mm 20-lead MLPQ package

◆ Small input/output filter capacitors

◆ Programmable VOUT range -

1.45V to 3.00V for LDOs A and B

1.75V to 3.30V for LDOs C, D and E

Applications

◆ Palmtop/Laptop computers

◆ Personal Digital Assistants

◆ Cellular telephones

◆ Battery-powered equipment

◆ High efficiency linear power supplies