The MCP1791 is a 70 mA, ceramic output cap stable, high voltage, Low Dropout Regulator (LDO) with shutdown and power good functions. The MCP1791 is capable of handling continuous input voltage of up to 30V and is load dump protect for up to 48V, making it especially suitable for automotive as well as 12V/24V industrial applications. The MCP1791 comes in thermally enhanced DDPAK-5 package as well as space-efficient SOT223-5 package.

• Wide steady state supply voltage: 6.0V - 30.0V
• 48V (43.5V ±10%) load dump protected for 180ms with a 30 second repetition rate
• 70 mA output current
• Low quiescent current: 70 µA typical
• Fixed output voltages: 3.0V, 3.3V, 5.0V
• Extended Junction Temperature Range: -40 to +125°C
• Output Voltage Tolerances of ±2.5% over the temperature range
• Short Circuit Current Foldback
• Shutdown Input
• Power Good Output
• High PSRR, -90 dB@100 Hz (typical)