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MAX15112EWG Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX15112EWG Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 23 page ����������������������������������������������������������������� Maxim Integrated Products 5 MAX15112 High-Efficiency, 12A, Current-Mode Synchronous Step-Down Regulator with Integrated Switches Typical Operating Characteristics (continued) (VIN = 5V, VOUT = 1.5V, ILOAD = 4A, CSS = 33nF, see the Typical Operating Circuits, TA = +25°C, unless otherwise noted.) EFFICIENCY vs. LOAD CURRENT (VIN = 5V, SKIP MODE) LOAD CURRENT (A) 1 55 60 65 70 75 80 85 90 95 100 50 0.1 10 100 VOUT = 3.3V VOUT = 2.5V VOUT = 1.8V VOUT = 1.5V SWITCHING FREQUENCY vs. INPUT VOLTAGE (PWM, IOUT = 0A) INPUT VOLTAGE (V) 5.0 4.5 4.0 3.5 3.0 920 940 960 980 1000 1020 1040 1060 1080 1100 900 2.5 5.5 TA = +85°C TA = +25°C TA = -40°C OUTPUT VOLTAGE vs. INPUT VOLTAGE (PWM) INPUT VOLTAGE (V) 5.0 4.5 3.0 3.5 4.0 1.494 1.496 1.498 1.500 1.502 1.504 1.506 1.508 1.492 2.5 5.5 IOUT = 12A IOUT = 0A IOUT = 6A OUTPUT VOLTAGE ERROR vs. INPUT VOLTAGE (PWM, IOUT = 6A) INPUT VOLTAGE (V) 5.0 4.5 3.0 3.5 4.0 -0.15 -0.10 -0.05 0 0.05 0.10 0.15 0.20 -0.20 2.5 5.5 VOUT = 1.8V VOUT = 1.2V REFERENCED TO VIN = 4V OUTPUT VOLTAGE vs. LOAD CURRENT (PWM, VOUT = 1.5V) LOAD CURRENT (A) 10 8 6 4 2 1.492 1.494 1.496 1.498 1.500 1.502 1.504 1.506 1.508 1.510 1.490 0 12 VIN = 5V VIN = 3.3V LOAD-TRANSIENT RESPONSE (VIN = 5V, PWM, 1A/µs) MAX15112 toc09 VOUT 20mV/div AC-COUPLED 6A IOUT 2A/div 0.1A 40µs/div |
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