MIC49300WR Micrel Inc, MIC49300WR Datasheet
MIC49300WR
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MIC49300WR Summary of contents
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General Description The MIC49300 is a high-bandwidth, low-dropout, 3.0A volt- age regulator ideal for powering core voltages of low-power microprocessors. The MIC49300 implements a dual supply confi guration allowing for very low output impedance and very fast transient response. The ...
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... MIC49300BR MIC49300BR MIC49300BR MIC49300BR MIC49300BR MIC49300BR MIC49300WR* MIC49300WR* MIC49300WR* MIC49300WR* MIC49300WR* MIC49300WR* Other voltages available. Contact Micrel for details. *RoHS compliant with 'high-melting solder' exemption. Pin Confi guration Pin Description Pin Number Pin Number Pin Number Pin Name Pin Name ...
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MIC49300 Absolute Maximum Ratings Supply Voltage (V ) ........................................................ 8V IN Bias Supply Voltage (V ) ............................................ 8V BIAS Enable Input Voltage (V ) ............................................. 8V EN Power Dissipation ..................................... Internally Limited ESD Rating, Note 3 ...................................................... 2kV Electrical Characteristics ...
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MIC49300 Functional Diagram V / Fixed EN ADJ Adj. M9999-082605-B Bandgap Bandgap Bandgap Bandgap Enable Enable V Open Open IN Circuit Circuit Fixed 4 Micrel, Inc. V BIAS V IN Ilimit Ilimit Ilimit Ilimit V OUT R1 R2 August 2005 ...
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MIC49300 Typical Characteristics V Dropout IN vs. Output Current 300 250 200 150 100 0.5 1 1.5 2 2.5 3 OUTPUT CURRENT (A) Dropout Characteristics 2.0 1.8 1.6 100mA 1.4 3A 1.2 1.0 0.8 0.6 0.4 0.2 ...
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MIC49300 Applications Information The MIC49300 is an ultra-high performance, low dropout linear regulator designed for high current applications requiring fast transient response. The MIC49300 utilizes two input supplies, signifi cantly reducing dropout voltage, perfect for low-voltage, DC-to-DC conversion. The MIC49300 ...
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MIC49300 Adjustable Regulator Design The MIC49300 adjustable version allows programming the output voltage anywhere between 0.9Vand 5V. Two resistors are used. The resistor value between V should not exceed 1kΩ. Larger values can cause instability. The resistor values are calculated ...
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MIC49300 Package Information MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel ...