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ADP1147AN-5 Arkusz danych(PDF) 4 Page - Analog Devices |
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ADP1147AN-5 Arkusz danych(HTML) 4 Page - Analog Devices |
4 / 12 page ADP1147-3.3/ADP1147-5 –4– REV. 0 –Performance Characteristics MAXIMUM OUTPUT CURRENT – Amps 200 0 05 12 3 4 150 100 50 Figure 3. Selecting RSENSE vs. Maximum Output Current IOUT – Amps 100 95 80 10m 30m 3 0.1 0.3 1 90 85 I2R GATE CHARGE ADP1147 IQ SCHOTTKY DIODE Figure 6. Typical Efficiency Losses LOAD CURRENT – mA 5.11 5.10 5.02 0 400 2000 800 1200 1600 5.06 5.05 5.04 5.03 5.09 5.07 5.08 FIGURE 1 CIRCUIT VIN = 6 VOLTS VIN = 12 VOLTS Figure 9. Load Regulation FREQUENCY – kHz 1000 0 600 400 200 800 0 300 100 200 VSENSE = VOUT = +5V VIN = +12V VIN = +10V VIN = +7V Figure 4. Operating Frequency vs. Timing Capacitor INPUT VOLTAGE – Volts 100 95 70 58 20 11 14 17 90 85 80 75 FIGURE 1 CIRCUIT 1 AMP 0.1 AMP Figure 7. Efficiency vs. Input Voltage INPUT VOLTAGE – Volts 1.6 0 46 20 8 10121416 18 1.4 0.8 0.6 0.4 0.2 1.2 1.0 ACTIVE MODE SLEEP MODE Figure 10. DC Supply Current (VIN – VOUT) VOLTAGE – Volts 1000 800 0 05 1 234 600 400 200 L = 50 H RSENSE = 0.02 L = 25 H RSENSE = 0.02 L = 50 H RSENSE = 0.05 Figure 5. Selecting Minimum Output Capacitor vs. (VIN – VOUT) and Inductor INPUT VOLTAGE – V 5.11 5.10 5.03 48 16 12 5.07 5.06 5.04 5.05 5.09 5.08 100mA 1 AMP 300mA FIGURE 1 CIRCUIT Figure 8. ADP1147-5 Output Voltage vs. Input Voltage INPUT VOLTAGE – Volts 40 0 46 20 8 101214 1618 35 20 15 10 5 30 25 VSHUTDOWN = +2V Figure 11. Supply Current in Shutdown |
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