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Description

The SC4205 is a high performance positive voltage regulator designed for use in applications requiring very low dropout voltage at up to 1 Amp. Since it has superior dropout characteristics compared to regular LDOs, it can be used to supply 2.5V on motherboards or 2.8V on peripheral cards from the 3.3V supply thus allowing the elimination of costly heatsinks. Additionally, the SC4205 has an enable pin to further reduce power dissipation while shut down. The SC4205 provides excellent regulation over variations in line, load and temperature.

Features

● 350mV dropout @ 1A

● Adjustable output from 1.2V to 4.8V

● 2.5V and 1.8V options (adjustable externally using resistors)

● Over current and over temperature protection

● Enable pin

● 10μA quiescent current in shutdown

● Low reverse leakage (output to input)

● Surface mount and through-hole packages

● Full industrial temperature range

● Available in SOIC-8EDP package

Applications

● Battery powered systems

● Motherboards

● Peripheral cards

● Network cards

● Set Top Boxes

● Medical Equipment

● Notebook Computers