
Micrel
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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