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ST1534AP2T from ST,ST Microelectronics

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ST1534AP2T

Manufacturer: ST

500MA SMART LDO

Partnumber Manufacturer Quantity Availability
ST1534AP2T ST 30096 In Stock

Description and Introduction

500MA SMART LDO APPLICATIONSgenerated from 5V supply. When the 5V V isAUX■ NETWORK INTERFACE CARDSavailable, theIC connects this supply directly to its■ PCMCIA/PCI INTERFACE CARDSoutput using an external P-Channel FET. This■ DESKTOP COMPUTERSensures an uninterrupted 3.3V out even if VIN falls■ POWER SUPPLY WITH MULTIPLE INPUT out of specification. SOURCESWhen both supplies are available simultaneously,the drive pin DR will be pulled high, turning off theDESCRIPTION PMOS switch.The device is available in the popular 5 leadsThe ST1534A is Iintended for application such as2P PAK and PPAKpower managed PCI and network interface cards(NICs), where operations from 3.3V VAUX supplySCHEMATIC DIAGRAMVIN+DR5V Detect-Rpull_downVIN+ReferenceError Amp-VOUTGNDFebruary 2001 1/11ST1534A

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