MCP1790/1 Datasheet
http://www.microchip.com/stellent/images/mchpsiteimages/dwnfolder.gifMCP1790/1 DatasheetThe MCP1790 is a 70 mA, ceramic output cap stable, high voltage, Low Dropout Regulator (LDO). The MCP1790 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 MCP1790 comes in thermally enhanced DDPAK-3 package as well as space-efficient SOT223-3 package. For shutdown and powergood options, see MCP1791
Parameter NameValue
Max Input Voltage48
Output Voltage (v)3.0,3.3,5.0
Typical Active Current (µA)70
Typical Dropout Voltage @ Max. lout (mV)700
Typical Output Voltage Accuracy (%)0.2
Output Capacitor TypeCeramic/Aluminum/Tantalum
Output Current (mA)70
Features
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
High PSRR, -90 dB@100 Hz (typical)
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