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MAX1643EUA-T Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX1643EUA-T Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 12 page High-Efficiency, Step-Up DC-DC Converters for 1V Inputs 4 _______________________________________________________________________________________ 0.6 0 MINIMUM START-UP INPUT VOLTAGE vs. OUTPUT CURRENT 0.7 0.8 OUTPUT CURRENT (mA) 12 14 1.2 1.1 1.5 1.4 1.3 0.9 1.0 2 4 6 10 16 1.6 8 L1 = 150 µH TDK NLC565050T-151K VOUT = 5V VOUT = 2.4V, 3.3V 0.6 0 MINIMUM START-UP INPUT VOLTAGE vs. OUTPUT CURRENT 0.7 0.8 OUTPUT CURRENT (mA) 20 1.2 1.1 1.5 1.4 1.3 0.9 1.0 5 15 25 1.6 10 L1 = 100 µH SUMIDA CD54-101 VOUT = 5V VOUT = 2.4V, 3.3V ____________________________Typical Operating Characteristics (continued) (Circuit of Figure 4, VBATT = 1.2V, R1 + R2 = 1MΩ, TA = +25°C, unless otherwise noted.) 0 0.01 1 10 0.1 100 EFFICIENCY vs. OUTPUT CURRENT (VOUT = 3.3V) 10 OUTPUT CURRENT (mA) VIN = 1.6V L1 = 150 µH TDK NLC565050T-151K VIN = 1.2V VIN = 0.85V VIN = 1.0V 20 30 40 50 60 70 80 90 100 100 90 80 0 0.01 1 10 0.1 100 EFFICIENCY vs. OUTPUT CURRENT (VOUT = 5.0V) 20 10 OUTPUT CURRENT (mA) 30 40 50 60 70 VIN = 1.6V VIN = 0.85V VIN = 1.0V L1 = 100 µH SUMIDA CD54-101 VIN = 1.2V 100 90 80 0 0.01 1 10 0.1 100 EFFICIENCY vs. OUTPUT CURRENT (VOUT = 5.0V) 20 10 OUTPUT CURRENT (mA) 30 40 50 60 70 VIN = 1.6V VIN = 0.85V VIN = 1.0V L1 = 150 µH TDK NLC565050T-151K VIN = 1.2V 10,000 10 0.8 1.0 1.4 1.8 NO-LOAD BATTERY CURRENT vs. INPUT VOLTAGE 100 1000 INPUT VOLTAGE (V) 1.2 1.6 VOUT = 5.0V VOUT = 2.5V OR 3.3V 0 -40 NO-LOAD BATTERY CURRENT vs. TEMPERATURE 20 TEMPERATURE (°C) 60 100 120 80 40 60 -20 40 20 80 100 140 0 VBATT = 1.2V VOUT = 3.3V 0 -40 BATT AND OUT PIN QUIESCENT CURRENTS vs. TEMPERATURE 5 TEMPERATURE (°C) 60 20 25 10 15 -20 40 20 80 100 30 0 VBATT = 1.2V VOUT = 3.6V IBATT IOUT |
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