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ST1534A
500mA SMART LDO
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GLITCH FREE TRANSITION BETWEEN INPUT SOURCES INTERNAL LOGIC SELECTS INPUT SOURCE GATE DRIVE FOR EXTERNAL PMOS BYPASS SWITCH 5V DETECTOR WITH HYSTERESIS 1% 3.3V REGULATED OUTPUT VOLTAGE 500mA GUARANTEED OUTPUT CURRENT OPERATING TEMPERATURE RANGE FROM 0°C TO 85°C AVAILABLE IN P2PAK PACKAGE PPAK AND SO-8 PACKAGES CAN BE AVAILABLE ON REQUEST
P2PAK
PPAK
SO-8
APPLICATIONS
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NETWORK INTERFACE CARDS PCMCIA/PCI INTERFACE CARDS DESKTOP COMPUTERS POWER SUPPLY WITH MULTIPLE INPUT SOURCES
DESCRIPTION The ST1534A is intended for application such as power managed PCI and network interface cards (NICs), where operations from 3.3V VAUX supply SCHEMATIC DIAGRAM
VIN
may be required when the 5V supply has been shut down.