Transcription of SPX3819 500mA, Low-Noise LDO Voltage Regulator
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SPX3819 500mA, Low-Noise LDO Voltage Regulator
SPX3819 . 500ma , Low-Noise LDO Voltage Regulator FEATURES. Low noise : 40 V Possible High Accuracy: 1%. Reverse Battery Protection Low Dropout: 340mV at Full Load EN 1 8 ADJ/BYP. Low Quiescent current : 90 A SPX3819 GND. NC 2 7. Zero Off-Mode current Fixed Output: , , , , , VIN 3 8 Pin DFN 6 NC. , , 5 Pin SOT-23, 8 Pin nSOIC and 8 pin 2X3 DFN NC 4 5 VOUT. Packages. APPLICATIONS. Battery Powered Systems Now Available in Lead Free Packaging Cordless Phones Radio Control Systems Portable/Palm Top/Notebook Computers Portable Consumer Equipment Portable Instrumentation Bar Code Scanners SMPS Post regulators DESCRIPTION. The SPX3819 is a positive Voltage Regulator with a low dropout Voltage and low noise output. In addition, this device offers a very low ground current of 800 A at 100mA output. The SPX3819 has an initial tolerance of less than 1% max and a logic compatible ON/OFF switched input.
Ground Current vs Load Current Ground Current vs Input Voltage 7.0 6.0 5.0 4.0 3.0 2.0 1.0 0.0 0 100 200 300 400 500 IL (mA) I GND (mA) 3.3V Device VIN= 4.3V CL = 1.0µF 160 150 140 130 120 110 100 90 80 70 60 46 8 10 121416 VIN (V) I GND (µ A) 3.3V Device CL= 1.0µF IL = 100µA Ground Current vs Load Current in Dropout Output Voltage vs Input ...
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