This part is a kind of semiconductor called A1084.

Function of this product has 5A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR.

Manufacturers : AiT Semiconductor

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AiT Semiconductor Inc. www.ait-ic.com A1084 5A LOW-DROPOUT POSITIVE VOLTAGE REGULATOR THERMAL SHUTDOWN AND CURRENT LIMIT FUNCTIONS DESCRIPTION The A1084 is a series of low dropout three terminal regulators with a dropout of 1.4V at 5A load current. FEATURES Provide Fixed Version and an Adjustable Version, Output Value can be customized on command. Other than a fixed version (VOUT = 1.8V, 2.5V, 3.3V, 5V), The A1084 has an adjustable version, which can set the output voltage with two external resistors. Maximum Output Current: 5A Range of Operation Input Voltage: Max 15V Line Regulation: 0.2% (Typ.) Load Regulation: 0.2% (Typ.) Environment Temperature: 0oC to +80oC The A1084 offers thermal shutdown and current limit functions, to assure the stability of chip and power system. Availabl [ ... ]

A1084 PDF Datasheet Download