HomedatasheetMIC49300WR

MIC49300WR Datasheet

Low Dropout Regulators - LDO
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Description

The MIC49300 is a high-bandwidth, low-dropout, 3.0A voltageregulator ideal for powering core voltages of low-powermicroprocessors. The MIC49300 implements a dual supplyconfi guration allowing for very low output impedance andvery fast transient response.The MIC49300 requires a bias input supply and a main inputsupply, allowing for ultra-low input voltages on the main supplyrail. The input supply operates from 1.4V to 6.5V and the biassupply requires between 3V and 6.5V for proper operation.The MIC49300 offers fi xed output voltages from 0.9V to 1.8Vand adjustable output voltages down to 0.9V.The MIC49300 requires a minimum of output capacitance forstability, working optimally with small ceramic capacitors.The MIC49300 is available in a 5-pin S-Pak. It operates overa junction temperature range of –40°C to +125°C. MIC49300WR Features • Input Voltage Range:VIN: 1.4V to 6.5VVBIAS: 3.0V to 6.5V• Stable with 1μF ceramic capacitor• ±1% initial tolerance• Maximum dropout voltage (VIN-VOUT) of 500mV overtemperature• Adjustable output voltage down to 0.9V• Ultra fast transient response (Up to 10MHz bandwidth)• Excellent line and load regulation specifi cations• Logic controlled shutdown option• Thermal shutdown and current limit protection• Power S-Pak package• Junction temperature range: –40°C to 125°C MIC49300WR Applications • Graphics processors• PC Add-In Cards• Microprocessor core voltage supply• Low voltage digital ICs• High Effi ciency Linear power supplies• SMPS post regulators
Features

Parameters

[{"Name":"Input Voltage MAX: ","Value":"6.5 V"},{"Name":"Dropout Voltage (Max): ","Value":"400 mV "},{"Name":"Output Current: ","Value":"3 A "},{"Name":"Load Regulation: ","Value":"0.2 % "},{"Name":"Maximum Operating Temperature: ","Value":"+ 125 C "},{"Name":"Input Voltage MIN: ","Value":"1.4 V "},{"Name":"Minimum Operating Temperature: ","Value":"- 40 C "},{"Name":"Reference Voltage: ","Value":"0.9 V "},{"Name":"Voltage Regulation Accuracy: ","Value":"+/- 2 % "},{"Name":"","Value":""}]

Manufacturer information

VISHAY

Vishay Intertechnology, Inc. is one of the world's largest manufacturers of discrete semiconductors (diodes, MOSFETs and infrared optoelectronics) and passive electronic components (resistors, inductors and capacitors). These components are used in virtually all types of electronic devices and equipment in the industrial, computing, automotive, consumer, telecommunications, military, aerospace, power supplies, and medical markets. Vishay's product innovations, successful acquisition strategy and "one-stop shop" service have made it a global industry leader.

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