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ADP124ARHZ-2.85-R7 Scheda tecnica(PDF) 9 Page - Analog Devices |
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ADP124ARHZ-2.85-R7 Scheda tecnica(HTML) 9 Page - Analog Devices |
9 / 20 page ADP124/ADP125 Rev. 0 | Page 9 of 20 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) IOUT = 100µA VIN = VOUT + 1V VRIPPLE = 50mV CIN = COUT = 1µF IOUT = 1mA IOUT = 10mA IOUT = 100mA IOUT = 300mA IOUT = 500mA Figure 17. Power Supply Rejection Ratio vs. Frequency, VOUT = 4.2 V, VIN = 5.2 V –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) VOUT = 2.8V, IOUT = 10mA VIN = VOUT + 1V VRIPPLE = 50mV CIN = COUT = 1µF VOUT = 3.3V, IOUT = 10mA VOUT = 4.2V, IOUT = 10mA VOUT = 2.8V, IOUT = 500mA VOUT = 3.3V, IOUT = 500mA VOUT = 4.2V, IOUT = 500mA Figure 18. Power Supply Rejection Ratio vs. Frequency, Various Output Voltages and Load Currents –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) VIN = 3.1V, IOUT = 10mA VIN = 3.3V, IOUT = 10mA VIN = 3.8V, IOUT = 10mA VIN = 4.8V, IOUT = 10mA VIN = 3.1V, IOUT = 500mA VIN = 3.3V, IOUT = 500mA VIN = 3.8V, IOUT = 500mA VIN = 4.8V, IOUT = 500mA Figure 19. Power Supply Rejection Ratio vs. Headroom Voltage (VIN − VOUT), VOUT = 2.8 V 0 1 2 3 4 5 10 100 1k 10k 100k FREQUENCY (Hz) VOUT = 2.8V VOUT = 3.3V VOUT = 4.2V Figure 20. Output Noise Spectrum, VIN = 5 V 20 25 30 35 40 45 50 55 60 65 70 0.001 0.01 0.1 1 10 100 1k ILOAD (mA) VOUT = 2.8V VOUT = 3.3V VOUT = 4.2V Figure 21. Output Noise vs. Load Current and Output Voltage, VIN = 5 V M40.0µs A CH1 200mA 1 2 T 9.800% VIN = 4V VOUT = 3.3V VOUT 1mA TO 500mA LOAD STEP CH1 500mA Ω BW CH2 50.0mV B W IOUT Figure 22. Load Transient Response, COUT = 1 μF |
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