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MAX15032 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX15032 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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4 / 10 page ![]() 500kHz, 36V Output, 600mW PWM Step-Up DC-DC Converter 4 _______________________________________________________________________________________ EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (mA) 45 40 30 35 10 15 20 25 5 40 45 50 55 60 65 70 75 80 85 90 35 050 VOUT = 12V VIN = 3.3V VOUT = 12V VIN = 5V L = 3.3 μH MAXIMUM LOAD CURRENT vs. INPUT VOLTAGE INPUT VOLTAGE (V) 10 9 7 8 4 5 6 3 30 60 90 120 150 180 210 240 270 300 330 360 0 211 L = 4.7 μH FOR VOUT = 36V, 30V, AND 24V VOUT = 12V L = 3.3 μH VOUT = 24V VOUT = 30V VOUT = 36V MINIMUM STARTUP VOLTAGE vs. LOAD CURRENT LOAD CURRENT (mA) 18 16 12 14 4 6 8 10 2 2.35 2.40 2.45 2.50 2.55 2.60 2.65 2.70 2.75 2.80 2.30 020 VOUT = 30V SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 10 9 3 4 5 7 6 8 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0 211 VFB = 1.4V SUPPLY CURRENT vs. TEMPERATURE TEMPERATURE ( °C) 110 95 65 80 -10 5 20 35 50 -25 0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.00 0.50 -40 125 VFB = 1.4V SWITCHING FREQUENCY vs. TEMPERATURE TEMPERATURE ( °C) 110 95 65 80 -10 5 20 35 50 -25 460 470 480 490 500 510 520 530 540 550 450 -40 125 VIN = 5V EXITING SHUTDOWN MAX15032 toc10 1ms/div VSHDN 2V/div VOUT 10V/div IL 500mA/div VIN = 5V IOUT = 1mA ENTERING SHUTDOWN MAX15032 toc11 20ms/div VSHDN 2V/div VOUT 10V/div VIN = 5V IOUT = 1mA SWITCHING WAVEFORMS MAX15032 toc12 1 μs/div VOUT (AC-COUPLED) 50mV/div VLX 20V/div IL 500mA/div IOUT = 20mA Typical Operating Characteristics (continued) (VIN = 3.3V, L1 = 4.7µH, R1 = 143k Ω, R2 = 6.2kΩ, CIN = 10µF, COUT = 2.2µF, CCP = 10nF, see the Typical Operating Circuit. TA = +25°C, unless otherwise noted.) |
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