Datasheet Texas Instruments LP2989AIMX-1.8/NOPB — 数据表

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SNVS086K – MAY 2000 – REVISED JULY 2015 LP2989LV Micropower and Low-Noise, 500-mA Ultra Low-Dropout Regulator for Use With
Ceramic Output Capacitors
1 Features 3 Description The LP2989LV is a fixed-output 500-mA precision
LDO regulator designed for use with ceramic output
capacitors. 1 2.1-V to 16-V Input Voltage Range
Ultra-Low Dropout Voltage
500-mA Continuous Output Current
Very Low Output Noise With External Capacitor
< 0.8-ВµA Quiescent Current When Shut Down
Low Ground Pin Current at All Loads
0.75% Output Voltage Accuracy (A Grade)
High Peak Current Capability (800-mA typical)
Overtemperature and Overcurrent Protection
-40В°C to +125В°C Junction Temperature Range 2 Applications Notebooks and Desktop PCs
PDAs and Palmtop Computers
Wireless Communication Pins
SMPS Post-Regulators Output noise can be reduced to 18 ОјV (typical) by …