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SPX3819M5-L/TR Datasheet(PDF) 3 Page - Exar Corporation |
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SPX3819M5-L/TR Datasheet(HTML) 3 Page - Exar Corporation |
3 / 13 page SPX3819 500mA Low-Noise LDO Voltage Regulator © 2013-2016 Exar Corporation 3/12 Rev. 2.0.3 Parameter Min. Typ. Max. Units Conditions Current Limit (ILIMIT) 800 mA VOUT=0V 950 • Output Noise (eNO) 300 µVRMS IL = 10mA, CL = 1.0µF, CIN = 1µF, (10Hz – 100kHz) 40 µVRMS IL = 10mA, CL = 1.0µF, CBYP = 1µF, CIN = 1µF, (10Hz – 100kHz) Input Voltage Level Logic Low (VIL) 0.4 V OFF Input Voltage Level Logic High (VIH) 2 V ON ENABLE Input Current 0.01 2 µA VIL ≤ 0.4V VIH ≥ 2.0V 3 20 Note 2: Not applicable to output voltage 2V or less. PIN ASSIGNMENT Fig. 2: SPX3819 Pin Assignment PIN DESCRIPTION Name Pin # nSOIC Pin # DFN Pin # SOT-23 Description VIN 2 3 1 Supply Input GND 5, 6, 7, 8 7 2 Ground VOUT 3 5 5 Regulator Output EN 1 1 3 Enable(input). CMOS compatible control input. Logic high – enable; logic low or open = shutdown ADJ/BYP 4 8 4 Adjust(input). Feedback input. Connect to resistive voltage-divider network NC - 2, 4, 6 - No Connect |
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