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MCP1824 датащи(PDF) 14 Page - Microchip Technology |
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MCP1824 датащи(HTML) 14 Page - Microchip Technology |
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14 / 34 page ![]() MCP1824/MCP1824S DS22070A-page 14 © 2007 Microchip Technology Inc. Note: Unless otherwise indicated, COUT = 4.7 µF Ceramic (X7R), CIN = 4.7 µF Ceramic (X7R), IOUT = 1 mA, Temperature = +25°C, VIN = VOUT + 0.5V, Fixed output, SHDN = 10 kΩ pullup to VIN. FIGURE 2-19: Dropout Voltage vs. Load Current. FIGURE 2-20: Dropout Voltage vs. Temperature. FIGURE 2-21: Short Circuit Current vs. Input Voltage. FIGURE 2-22: Output Noise Voltage Density vs. Frequency. FIGURE 2-23: Power Supply Ripple Rejection (PSRR) vs. Frequency (Adj.). FIGURE 2-24: Power Supply Ripple Rejection (PSRR) vs. Frequency. 0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0 50 100 150 200 250 300 Load Current (mA) V OUT = 5.0V VOUT = 2.5V 0.12 0.14 0.16 0.18 0.20 0.22 0.24 -45 -20 5 30 55 80 105 130 Temperature (°C) I OUT = 300 mA V OUT = 2.5V VOUT = 5.0V 0.00 100.00 200.00 300.00 400.00 500.00 600.00 012 3456 Input Voltage (V) VOUT = 0.8V 0.010 0.100 1.000 10.000 0.01 0.1 1 10 100 1000 Frequency (kHz) V R=0.8V, VIN=2.1V V R=3.0V, VIN=3.8V C OUT=10 μF cer C IN=4.7 μF cer IOUT=200 mA -80.0 -70.0 -60.0 -50.0 -40.0 -30.0 -20.0 -10.0 0.0 0.01 0.1 1 10 100 1000 Frequency (kHz) V R=1.2V Adj VIN=2.5V V INAC = 200 mV p-p C IN=0 μF IOUT=10 mA -90.0 -80.0 -70.0 -60.0 -50.0 -40.0 -30.0 -20.0 -10.0 0.0 0.01 0.1 1 10 100 1000 Frequency (kHz) VR=3.0V (Fixed) V IN=3.5V V INAC=200 mV p-p CIN=0 μF I OUT=10 mA |
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