TPS2148IDGNG4 ,3.3V LDO + Dual Switch For USB Peripherals, Active-Low Enables 8-MSOP-PowerPAD -40 to 85maximum ratings over operating free-air temperature (unless otherwise noted)Input voltage range: V ..
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TPS2149IDGNR ,3.3V LDO + Dual Switch For USB Hubs, Active-Low EnablesFEATURES DESCRIPTION Complete Power Management Solution forThe TPS2149 incorporates two power dist ..
TPS2149IDGNR ,3.3V LDO + Dual Switch For USB Hubs, Active-Low Enableselectrical characteristics over recommended operating junction-temperature range, 2.9 V ≤ V ≤ 5.5 V ..
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TS7818CI , 3-Terminal Fixed Positive Voltage Regulator
TS7818CZ , 3-Terminal Fixed Positive Voltage Regulator
TS7818CZ , 3-Terminal Fixed Positive Voltage Regulator
TS7824CZ , 3-Terminal Fixed Positive Voltage Regulator
TS788 ,N- channel Junction FET Electret Condenser MicrophoneFeatures• Especially suited for use in electret condenser microphone.• TS788 is possible to make ap ..
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TPS2148IDGN-TPS2148IDGNG4
3.3V LDO + Dual Switch For USB Peripherals, Active-Low Enables
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FEATURES Complete Power Management Solution for
USB Bus-Powered Peripherals 3.3-V 200 mA Low-Dropout Voltage Regulator
With Enable 3.3-V 340-mΩ (Typ) High-Side MOSFET 5-V 340-mΩ (Typ) High-Side MOSFET Independent Thermal- and Short-Circuit
Protection for LDO and Each Switch 2.9-V to 5.5-V Operating Range CMOS- and TTL-Compatible Enable Inputs 75-µA (Typ) Supply Current Available in 8-Pin MSOP (PowerPAD) −40°C to 85°C Ambient Temperature Range
APPLICATIONS USB Peripherals
− Digital Cameras
− Zip Drives
− Speakers and Headsets
DESCRIPTIONThe TPS2148 incorporates two power distribution
switches and an LDO in one small package, providing
a USB peripheral power management solution that
saves up to 60% in board space over typical
implementations.
The TPS2148 meets USB 2.0 bus-powered peripheral
requirements. An integrated LDO regulates the 5-V bus
power down to 3.3 V for the USB controller, and a
MOSFET switch that is internally connected to the
output of the LDO simplifies meeting the suspend and
enumeration current requirements imposed by the USB
specification.
A second switch is available to support a downstream
port, stage power to a second voltage regulator, or
disable power to selected circuitry in power-save
modes.
Each power-distribution switch is capable of supplying
200 mA of continuous current, and the independent
logic enables are compatible with 5-V logic and 3-V
logic. The switches and the LDO are designed with
controlled rise times and fall times to minimize current
surges.
The TPS2148 has active-low enables while the
TPS2158 has active-high enables.
LDO and dual switch family selection guide and schematicsPlease be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
