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MAX20002CATPC 数据表(PDF) 6 Page - Maxim Integrated Products |
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MAX20002CATPC 数据表(HTML) 6 Page - Maxim Integrated Products |
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6 / 19 page ![]() (VSUP = VSUPSW = 14V, VEN = 14V, VOUT = 5V, VFSYNC = 0V, RFOSC = 12kΩ, TA = +25°C, unless otherwise noted.) 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 0.0 0.5 1.0 1.5 2.0 2.5 3.0 ILOAD (A) LOAD REGULATION 400kHz toc04 2.2MHz 0 10 20 30 40 50 60 70 80 90 100 0.0001 0.001 0.01 0.1 1 10 LOAD CURRENT (A) fSW = 2.2MHz VIN = 14V EFFICIENCY vs. LOAD CURRENT toc01 SKIP MODE FPWM MODE 3.3V 3.3V 5V 5V COILCRAFT XAL5030-222MEB 2.00 2.04 2.08 2.12 2.16 2.20 2.24 2.28 -40 -25 -10 5 20 35 50 65 80 95 110 125 TEMPERATURE (°C) fSW vs. TEMPERATURE toc07 VOUT= 3.3V VIN = 14V, FPWM MODE VOUT = 5V 0 10 20 30 40 50 60 70 80 90 100 0.0001 0.001 0.01 0.1 1 10 LOAD CURRENT (A) fSW = 400kHz, VIN =14V EFFICIENCY vs. LOAD CURRENT toc02 SKIP MODE FPWM MODE 3.3V 3.3V 5V 5V 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 12 42 72 102 132 RFOSC(kΩ) SWITCHING FREQUENCY vs. RFOSC toc08 2.10 2.12 2.14 2.16 2.18 2.20 2.22 2.24 2.26 2.28 2.30 0.0 0.5 1.0 1.5 2.0 2.5 3.0 ILOAD (A) fSW vs. LOAD CURRENT toc05 VOUT = 3.3V VIN = 14V, FPWM MODE 375 380 385 390 395 400 405 410 415 420 425 0.0 0.5 1.0 1.5 2.0 2.5 3.0 ILOAD(A) fSWvs. LOAD CURRENT toc06 VOUT = 3.3V VIN = 14V, FPWM MODE 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 0.0 0.5 1.0 1.5 2.0 2.5 3.0 ILOAD (A) LOAD REGULATION 400kHz toc03 2.2MHz VOUT = 5V, VIN = 14V, SKIP MODE 10 15 20 25 30 35 40 45 50 6 12 18 24 30 36 SUPPLY VOLTAGE (V) SUPPLY CURRENT vs. SUPPLY VOLTAGE toc09 3.3V/2.2MHz SKIP MODE Maxim Integrated │ 6 www.maximintegrated.com MAX20002/MAX20003 36V, 220kHz to 2.2MHz, 2A/3A Fully Integrated Step-Down Converters with 15μA Operating Current Typical Operating Characteristics |
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