L4957AD1.8

高达5A ULDO线性稳压器 UP TO 5A ULDO LINEAR REGULATOR

DESCRIPTION

The L4957A devices are Ultra Low Drop Output linear regulators with an internal N-channel MOS of 200mΩ particulary suitable for low voltage/low dropout applications. Operating with a input voltage from 3V to 14V they are capable to deliver up to 5A.

1.5V, 1.8V, 2.5V AND 3.3V FIXED OUTPUT VOLTAGE

3V TO 14V INPUT VOLTAGE RANGE

200mΩ Rdson TYPICAL @ Tj = 125°C

0.6V max. DROP-OUT AT 2A

EXCELLENT LOAD REGULATION

0.6mA QUIESCENT CURRENT AT ANY LOAD

SHORT CIRCUIT PROTECTION

THERMAL SHUTDOWN

APPLICATIONS

MOTHER BOARDS

PROCESSOR I/O & SUPPLIES

LOW VOLTAGE MEMORY & CHIP SET SUPPLIES

GRAPHIC & SOUND CARDS

LOW VOLTAGE LOGIC SUPPLIES

POST REGULATOR FOR SMPS