NR1640 Industrial 200mA Ultra-low Noise Voltage Regulator Datasheet
2022-10-10
■OVERVIEW
●The NR1640 is an ultra-low noise, high PSRR voltage regulator featuring 200mA output current and 5.5 V maximum input voltage.
●With noise characteristics of 6μVrms and high ripple rejection of 80dB or more @100kHz, high quality power can be supplied, ideal for high precision sensing systems where noise is an issue.
●The slope of output voltage at startup can be selected from 4 types.
●These options will meet the demand of suppression of inrush current and start-up slope requirement. In addition, the auto discharge function option will contribute to make the output shutdown fast to discharge output capacitance with internal discharge FET.
■KEY SPECIFICATIONS
●Input Voltage Range (Maximum Rating)：2.7 V to 5.5 V (6.5 V)
●Operating Temperature Range：−40°C to 125°C
●Output Voltage Range：2.5 V to 4.8 V
●Output Current：200 mA
●Quiescent Current：Typ.350 μA
●Output Noise Voltage：Typ.6 μVrms (IOUT= 100 mA)
●Ripple Rejection：
▲Typ.80 dB (f = 1 kHz)
▲Typ.80 dB (f = 100 kHz)
●Dropout Voltage：Typ.0.13 V (IOUT= 200 mA, VSET = 3.3 V)
●Thermal Shutdown Function：Typ.165°C
●Slope of Output Voltage at Start-up：
▲55 / 110 / 220/ 440 μs/V
▲Selectable from 4 types
●Auto-discharge Function：Selectable by product name
●The NR1640 is an ultra-low noise, high PSRR voltage regulator featuring 200mA output current and 5.5 V maximum input voltage.
●With noise characteristics of 6μVrms and high ripple rejection of 80dB or more @100kHz, high quality power can be supplied, ideal for high precision sensing systems where noise is an issue.
●The slope of output voltage at startup can be selected from 4 types.
●These options will meet the demand of suppression of inrush current and start-up slope requirement. In addition, the auto discharge function option will contribute to make the output shutdown fast to discharge output capacitance with internal discharge FET.
■KEY SPECIFICATIONS
●Input Voltage Range (Maximum Rating)：2.7 V to 5.5 V (6.5 V)
●Operating Temperature Range：−40°C to 125°C
●Output Voltage Range：2.5 V to 4.8 V
●Output Current：200 mA
●Quiescent Current：Typ.350 μA
●Output Noise Voltage：Typ.6 μVrms (IOUT= 100 mA)
●Ripple Rejection：
▲Typ.80 dB (f = 1 kHz)
▲Typ.80 dB (f = 100 kHz)
●Dropout Voltage：Typ.0.13 V (IOUT= 200 mA, VSET = 3.3 V)
●Thermal Shutdown Function：Typ.165°C
●Slope of Output Voltage at Start-up：
▲55 / 110 / 220/ 440 μs/V
▲Selectable from 4 types
●Auto-discharge Function：Selectable by product name
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