LD1117AS50TR中文资料意法半导体数据手册PDF规格书

DESCRIPTION

The LD1117A and LD1117B are two LOW DROP Voltage Regulator able to provide respectively up to 1000mA and 1200mA of Output Current, available even in adjustable version (Vref=1.25V). Concerning fixed versions, are offered the following Output Voltages: 1.8V, 2.5V, 2.85V, 3.3V and 5.0V. The 2.85V type is ideal for SCSI-2 lines active termination.

■ LOW DROPOUT VOLTAGE (1.15V TYP @ IOUT=1.2A, 25°C)

■ VERY LOW QUIESCENT CURRENT (5mA TYP @ 25°C)

■ TYPE A: OUTPUT CURRENT UP TO 1000mA

■ TYPE B: OUTPUT CURRENT UP TO 1200mA

■ FIXED OUTPUT VOLTAGE OF: 1.8V, 2.5V,2.85V, 3.3V, 5.0V

■ ADJUSTABLE VERSION AVAILABILITY(Vref=1.25V)

■ INTERNAL CURRENT AND THERMAL LIMIT

■ ONLY 10µF FOR STABILITY

■ AVAILABLEIN±2 (AT 25oC) AND 4 IN FULL TEMPERATURE RANGE

■ HIGH SUPPLY VOLTAGEREJECTION : (80dB TYP)

■ TEMPERATURE RANGE : 0°C TO 125°C