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ADP7157 Fiches technique(PDF) 11 Page - Analog Devices |
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ADP7157 Fiches technique(HTML) 11 Page - Analog Devices |
11 / 23 page ADP7158 Data Sheet Rev. A | Page 10 of 22 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 0.5 0.6 0.7 0.8 0.9 HEADROOM VOLTAGE (V) 10Hz 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz Figure 23. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage at Various Frequencies, VOUT = 3.3 V, 2 A Load –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) ILOAD =10mA ILOAD =100mA ILOAD =600mA ILOAD =1200mA ILOAD =2000mA Figure 24. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Loads, VOUT = 1.8 V, VIN = 2.6 V –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) 900mV 800mV 700mV 600mV 500mV Figure 25. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various Headroom Voltages, VOUT = 1.8 V, 2 A Load –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 0.5 0.6 0.7 0.8 0.9 HEADROOM VOLTAGE (V) 10Hz 100Hz 1kHz 10kHz 100kHz 1MHz 10MHz Figure 26. Power Supply Rejection Ratio (PSRR) vs. Headroom Voltage at Various Frequencies, VOUT = 1.8 V, 2 A Load –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 0 1 10 100 1k 10k 100k 1M 10M FREQUENCY (Hz) CBYP =1µF CBYP =10µF CBYP = 100µF CBYP = 1000µF Figure 27. Power Supply Rejection Ratio (PSRR) vs. Frequency at Various CBYP Values, VOUT = 3.3 V, VIN = 4.0 V, 2 A Load 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 10m 100m 1 10 LOAD CURRENT (A) 10Hz TO 100kHz 100Hz TO 100kHz Figure 28. RMS Output Noise vs. Load Current |
Numéro de pièce similaire - ADP7157 |
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Description similaire - ADP7157 |
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