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RT9278PQV Datasheet(PDF) 9 Page - Richtek Technology Corporation |
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RT9278PQV Datasheet(HTML) 9 Page - Richtek Technology Corporation |
9 / 13 page RT9278 Preliminary 9 DS9278-04 August 2007 www.richtek.com Typical Operating Characteristics Reference Voltage vs. Temperature 0.796 0.797 0.798 0.799 0.8 0.801 0.802 0.803 0.804 -40 -20 0 20 40 60 80 100 120 140 160 180 Temperature ( °C) VDD = 3.3V Efficiency vs. Output Current 0 10 20 30 40 50 60 70 80 90 100 1 10 100 1000 Output Current (mA) VIN = 4.5V VIN = 4.0V VIN = 3.5V VIN = 3.0V VIN = 2.5V VIN = 2.0V VIN = 1.5V VOUT = 5.0V Efficiency vs. Output Current 0 10 20 30 40 50 60 70 80 90 100 1 10 100 1000 Output Current (mA) VIN = 3.0V VIN = 2.5V VIN = 2.0V VIN = 1.5V VOUT = 3.3V Frequency vs. Temperature 580 600 620 640 660 680 700 -40 -20 0 20 40 60 80 100 120 140 160 180 Temperature ( °C) VDD = 3.3V Input Voltage vs. Output Voltage 4.850 4.900 4.950 5.000 5.050 5.100 5.150 1.6 1.925 2.25 2.575 2.9 3.225 3.55 3.875 4.2 Input Voltage (V) VOUT = 5.0V 1.93 2.58 3.23 3.88 Input Voltage vs. Output Voltage 3.200 3.225 3.250 3.275 3.300 3.325 3.350 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 Input Voltage (V) VOUT = 3.3V |
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