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MIC2950-05BZ Datasheet

Part NameDescriptionManufacturer
MIC2950-05BZ 150mA Low-Dropout Voltage Regulator Micrel
Micrel Micrel
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General Description
The MIC2950 and MIC2951 are “bulletproof” micropower voltage regulators with very low dropout voltage (typically 40mV at light loads and 250mV at 100mA), and very low quiescent current. Like their predecessors, the LP2950 and LP2951, the quiescent current of the MIC2950/MIC2951 increases only slightly in dropout, thus pro-longing battery life. The MIC2950/MIC2951 are pin for pin compatible with the LP2950/LP2951, but offer lower dropout, lower quiescent current, reverse battery, and automotive load dump protection.

Features
• High accuracy 3.3, 4.85, or 5V, guaranteed 150mA output
• Extremely low quiescent current
• Low-dropout voltage
• Extremely tight load and line regulation
• Very low temperature coefficient
• Use as regulator or reference
• Needs only 1.5µF for stability
• Current and thermal limiting
• Unregulated DC input can withstand –20V reverse battery and +60V positive transients

MIC2951 Version Only
• Error flag warns of output dropout
• Logic-controlled electronic shutdown
• Output programmable from 1.24 to 29V

Applications
• Automotive electronics
• Voltage reference
• Avionics
• Cellular telephones
• Battery powered equipment
• SMPS post-regulator
• High efficiency linear power supplies

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