Description
The SC4210A linear regulator controller includes all the features required for an extremely low dropout linear regulator that uses an external N-channel MOSFET as the pass transistor. The device can operate from input voltages as low as 1.75V and can provide high current levels, thus providing an efficient linear solution for custom processor voltages, bus termination voltages, and other logic level voltages down to 0.5V.

Features
◆ On-board charge pump to drive external N-MOSFET
◆ Input voltage as low as 1.75V to 5.5V
◆ Duty ratio mode over-current protection
◆ Extremely low dropout voltage
◆ Low external parts count
◆ Output voltages as low as 0.5V
◆ MSOP-8 package

Applications
◆ Telecom and networking cards
◆ Industrial applications
◆ Wireless infrastructure
◆ Set-top boxes
◆ Post regulated power supplies