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MAX17244ETERA+ Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX17244ETERA+ Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 18 page (VSUP = VSUPSW = 14V, VEN = 14V, VOUT = 5V, VFYSNC = 0V, RFOSC = 12kΩ, TA = +25°C, unless otherwise noted.) MAX17244 3.5V–36V, 2.5A, Synchronous Buck Converter With 28µA Quiescent Current and Reduced EMI Maxim Integrated │ 6 www.maximintegrated.com Typical Operating Characteristics EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (A) 0.1 0.001 10 20 30 40 50 60 70 80 90 100 0 0 10 fSW = 2.2MHz, VIN = 14V PFM MODE PWM MODE 3.3V 3.3V 5V 5V VOUT LOAD REGULATION ILOAD (A) 2.0 1.5 1.0 0.5 4.92 4.94 4.96 4.98 5.00 5.02 5.04 5.06 5.08 5.10 4.90 0 2.5 VOUT = 5V, VIN = 14V PWM MODE 400kHz 2.2MHz fSW vs. TEMPERATURE TEMPERATURE (°C) 110 95 -25 -10 5 35 50 65 20 80 2.04 2.08 2.12 2.16 2.20 2.24 2.28 2.00 -40 125 VIN = 14V, PWM MODE VOUT = 5V VOUT = 3.3V EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (A) 0.1 0.001 10 20 30 40 50 60 70 80 90 100 0 0 10 fSW = 400kHz, VIN = 14V PFM MODE PWM MODE 3.3V 3.3V 5V 5V fSW vs. LOAD CURRENT ILOAD (A) 2.0 1.5 1.0 0.5 2.12 2.14 2.16 2.18 2.20 2.22 2.24 2.26 2.28 2.30 2.10 0 2.5 VIN = 14V, PWM MODE VOUT = 5V VOUT = 3.3V SWITCHING FREQUENCY vs. RFOSC RFOSC (kΩ) 102 72 42 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 0 12 132 VOUT LOAD REGULATION ILOAD (A) 2.0 1.5 1.0 0.5 4.92 4.94 4.96 4.98 5.00 5.02 5.04 5.06 5.08 5.10 4.90 0 2.5 VOUT = 5V, VIN = 14V PFM MODE 400kHz 2.2MHz fSW vs. LOAD CURRENT ILOAD (A) 2.0 1.5 1.0 0.5 426 427 428 429 430 431 432 433 434 435 425 0 2.5 VIN = 14V, PWM MODE VOUT = 5V VOUT = 3.3V SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 26 16 15 20 25 30 35 40 45 50 10 6 36 5V/2.2MHz PFM MODE |
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