General Description
The Micrel MIC37150/51/52/53 is a 1.5A low-dropout linear voltage regulator that provides a low voltage, high current output with a minimum of external components. It offers high precision, ultra-low dropout (500mV over temperature), and low ground current.

Features
• 1.5A minimum guaranteed output current
• 500mV maximum dropout voltage over temperature
    – Ideal for 3.0V to 2.5V conversion
    – Ideal for 2.5V to 1.8V, 1.65V, or 1.5V conversion
• Stable with ceramic or tantalum capacitor
• Wide input voltage range
    – VIN: 2.25V to 6.0V
• ±1.0% initial output tolerance
• Fixed and adjustable output voltages
    – MIC37150—3-pin fixed voltages
    – MIC37151—5-pin S-Pak or 8-pin e-Pad SOIC fixed voltages with flag
    – MIC37152—5-pin adjustable voltage
    – MIC37153—8-pin adjustable voltage with flag
• Excellent line and load regulation specifications
• Logic controlled shutdown
• Thermal shutdown and current limit protection
• Reverse-leakage protection
• Low profile 3 or 5-pin S-Pak packages or 8-pin e-Pad SOIC

Applications
• LDO linear regulator for low-voltage digital IC
• PC add-in cards
• High efficiency linear power supplies
• SMPS post regulator
• Battery charger