The SP6214EC5-L-1-8 is a low dropout (LDO) linear regulator manufactured by Exar Corporation (now MaxLinear). It is designed to provide a stable and accurate 1.8V output voltage with a low dropout voltage, making it suitable for applications where efficiency and space are critical.

Applications:

• Portable devices (mobile phones, PDAs)
• Battery-powered equipment
• Post-regulation for switching power supplies
• Microprocessor and microcontroller power
• Noise-sensitive circuits

Features:

• Low Dropout Voltage: Maintains regulation with minimal input-to-output voltage difference.
• Stable with Ceramic Capacitors: Ensures stable operation with low-ESR ceramic output capacitors.
• Low Quiescent Current: Minimizes power consumption when the output is lightly loaded.
• Short Circuit Protection: Protects the regulator and load from damage during short circuit conditions.
• Over-Temperature Protection: Prevents damage from overheating.

Benefits:

• Efficient Power Regulation: Low dropout voltage and quiescent current improve power efficiency.
• Stable Output Voltage: Provides a consistent and reliable 1.8V supply.
• Reduced External Components: Stable operation with ceramic capacitors simplifies design.
• Enhanced Reliability: Protection features prevent damage from electrical faults and overheating.
• Compact Footprint: Small package size enables integration into space-constrained applications.

Additional Details:

The SP6214EC5-L-1-8 has a typical dropout voltage of around 150mV at a load current of 300mA. It is designed to operate with input voltages up to 6V and provides a fixed 1.8V output. The regulator’s low quiescent current contributes to extended battery life in portable applications. The device is available in a small SOT-23-5 package. Detailed electrical characteristics, thermal considerations, and application guidelines can be found in the MaxLinear datasheet for the SP6214 series.