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MAX1960 Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX1960 Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 29 page 2.35V to 5.5V, 0.5% Accurate, 1MHz PWM Step-Down Controllers with Voltage Margining _______________________________________________________________________________________ 7 FREQUENCY vs. TEMPERATURE TEMPERATURE ( °C) 60 35 10 -15 100 200 300 400 500 600 700 800 900 1000 1100 0 -40 85 FSET/SYNC = VCC FSET/SYNC = GND CHARGE-PUMP OUTPUT VOLTAGE vs. CHARGE-PUMP LOAD CURRENT, 1MHz CHARGE-PUMP LOAD CURRENT (mA) 150 100 50 4.6 4.7 4.8 VIN = 3.3V VIN = 2.5V 4.9 5.0 5.1 5.2 4.5 0 200 C1 = 0.47 µF C6 = 2.2 µF CHARGE-PUMP OUTPUT VOLTAGE vs. CHARGE-PUMP LOAD CURRENT, 500kHz CHARGE-PUMP LOAD CURRENT (mA) 150 100 50 4.6 4.7 4.8 VIN = 3.3V VIN = 2.5V 4.9 5.0 5.1 5.2 4.5 0200 C1 = 1 µF C6 = 4.7 µF TRIPLER CHARGE-PUMP OUTPUT VOLTAGE vs. CHARGE-PUMP LOAD CURRENT, 1MHz CHARGE-PUMP LOAD CURRENT (mA) 30 20 10 4.6 4.7 4.8 4.9 5.0 5.1 5.2 4.5 040 50 VIN = 2.5V CIRCUIT OF FIGURE 12 C10, C11, C12 = 0.47 µF C6 = 2.2 µF TRIPLER CHARGE-PUMP OUTPUT VOLTAGE vs. CHARGE-PUMP LOAD CURRENT, 500kHz CHARGE-PUMP LOAD CURRENT (mA) 30 20 10 4.6 4.7 4.8 4.9 5.0 5.1 5.2 4.5 040 50 VIN = 2.5V C10, C11, C12 = 1 µF C6 = 4.7 µF CIRCUIT OF FIGURE 12 MAX1960/MAX1961 CURRENT-LIMIT THRESHOLD VOLTAGE vs. TEMPERATURE TEMPERATURE ( °C) 60 35 10 -15 100 50 150 200 250 300 350 0 -40 85 RILIM = 390k Ω ILIM = VDD MAX1962 CURRENT-LIMIT THRESHOLD VOLTAGE vs. TEMPERATURE TEMPERATURE ( °C) 60 35 10 -15 47.5 48.0 48.5 49.0 49.5 50.0 50.5 51.0 51.5 52.0 47.0 -40 85 Typical Operating Characteristics (continued) (Circuit of Figure 9, TA = +25°C, unless otherwise noted.) |
Similar Part No. - MAX1960 |
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Similar Description - MAX1960 |
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