General Description

The MIC5280 is a high performance low dropout regulator, offering a very low noise output with a very wide input voltage operating range, up to 120V DC input voltage.

Features

• Wide input voltage range: 4.5V to 120V DC

• Very low quiescent current: 31µA typical

• 25mA guaranteed output current

• Adjustable output from 1.215V to 5V

• DC voltage protection down to -24V

• Ability to withstand up to +120V DC at the input

• Stable with ceramic output capacitors

• Ultra High PSRR > 80dB for RF applications

• High output accuracy

– ± 2 initial accuracy

– ± 3 over temperature (–40°C to +125°C)

• Thermal shutdown and current limit protection

• Thermally efficient 8-pin EPAD SOIC package

Applications

• Industrial applications

• Remote keyless entry power supply

• Telecom applications

• Off-line power supplies

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