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ADP1823ACPZ-R7 数据表(PDF) 9 Page - Analog Devices |
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ADP1823ACPZ-R7 数据表(HTML) 9 Page - Analog Devices |
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9 / 32 page ![]() ADP1823 Rev. A | Page 9 of 32 LOAD CURRENT (A) TYPICAL PERFORMANCE CHARACTERISTICS 95 70 020 90 85 80 75 510 15 VIN = 5V VIN = 20V VIN = 15V VIN = 12V LOAD CURRENT (A) Figure 4. Efficiency vs. Load Current, VOUT = 1.8 V, 300 kHz Switching 95 70 020 90 85 80 75 510 15 VOUT = 3.3V VOUT = 1.8V VOUT = 1.2V LOAD CURRENT (A) Figure 5. Efficiency vs. Load Current, VIN = 12 V, 300 kHz Switching 94 78 020 92 78 020 LOAD CURRENT (A) SWITCHING FREQUENCY = 300kHz 92 90 88 86 84 82 80 510 15 SWITCHING FREQUENCY = 300kHz SWITCHING FREQUENCY = 600kHz Figure 6. Efficiency vs. Load Current, VIN = 5 V, VOUT = 1.8 V 90 88 86 84 82 80 SWITCHING FREQUENCY = 600kHz 510 15 4.980 4.960 –40 85 TEMPERATURE (°C) Figure 7. Efficiency vs. Load Current, VIN = 12 V, VOUT = 1.8 V 4.975 4.970 4.965 –15 103560 4.970 4.950 520 INPUT VOLTAGE (V) Figure 8. VREG Voltage vs. Temperature 4.968 4.966 4.964 4.962 4.960 4.958 4.956 4.954 4.952 8 111417 Figure 9. VREG vs. Input Voltage, 10 mA Load |
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