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MAX15041ETE+ Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX15041ETE+ Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 16 page Low-Cost, 3A, 4.5V to 28V Input, 350kHz, PWM Step-Down DC-DC Regulator with Internal Switches 4 _______________________________________________________________________________________ EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (A) 2.5 2.0 1.5 1.0 0.5 55 60 65 70 75 80 85 90 95 100 50 0 3.0 VOUT = 5.0V VOUT = 3.3V VOUT = 2.5V VOUT = 1.8V VOUT = 1.2V VIN = 12V EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (A) 2.5 2.0 1.5 1.0 0.5 55 60 65 70 75 80 85 90 95 100 50 0 3.0 VOUT = 3.3V VOUT = 2.5V VOUT = 1.8V VOUT = 1.2V VIN = 5V OUTPUT-VOLTAGE REGULATION vs. LOAD CURRENT LOAD CURRENT (A) 2.5 2.0 1.5 1.0 0.5 -1.0 -0.8 -0.6 -0.4 -0.2 0 0.2 -1.2 03.0 LOAD-TRANSIENT WAVEFORMS MAX15041 toc04 VOUT AC-COUPLED 200mV/div ILOAD 2A/div VPGOOD 5V/div 200µs/div NORMALIZED OUTPUT VOLTAGE vs. TEMPERATURE TEMPERATURE (NC) 60 35 10 -15 0.996 0.997 0.998 0.999 1.000 1.001 1.002 0.995 -40 85 ILOAD = 0A NORMALIZED OUTPUT VOLTAGE vs. TEMPERATURE TEMPERATURE (NC) 60 35 10 -15 0.994 0.996 0.998 1.000 1.002 1.004 0.992 -40 85 ILOAD = 2A Typical Operating Characteristics (VIN = 12V, VOUT = 3.3V, CVDD = 1µF, CIN = 22µF, TA = +25°C, circuit of Figure 3 (see Table 1 for values), unless otherwise specified.) FB SET POINT vs.TEMPERATURE TEMPERATURE (NC) 60 35 10 -15 602 604 606 608 610 600 -40 85 SWITCHING FREQUENCY vs. INPUT VOLTAGE INPUT VOLTAGE (V) 325 335 345 355 365 375 385 315 25 20 15 10 5 0 TA = +85NC TA = +25NC TA = -40NC |
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