TPS2149 TPS2159
SLVS401 − AUGUST 2001
3.
3ĆV LDO AND DUAL SWITCH FOR USB BUSĆPOWERED HUB POWER MANAGEMENT
FEATURES
D Complete Power Management Solution for
USB Bus-Powered Hubs
D 3.
3-V 200 mA Low-Dropout Voltage
Regulator D Two 5-V 340-mΩ (Typ) High-Side MOSFETs D Independent Thermal- and Short-Circuit
Protection for LDO and Each Switch
D Overcurrent Indicator With Transient Filter D 2.
9-V to 5.
5-V Operating Range D CMOS- and TTL-Compatible Enable Inputs D 75-µA (Typ) Supply Current D Available in 8-Pin MSOP (PowerPAD) D −40°C to 85°C Ambient Temperature Range
APPLICATIONS
D USB Bus-Powered Hubs
− Keyboards − Monitors − Hub Boxes
DESCRIPTION
The TPS2149 incorporates two power distributio...