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MAX17244 Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX17244 Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 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 │ 7 www.maximintegrated.com Typical Operating Characteristics (continued) SHDN CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 30 24 18 12 1 2 3 4 5 6 7 8 9 10 0 6 36 5V/2.2MHz PFM MODE VOUT vs. VIN VIN (V) 30 24 18 12 4.97 4.99 5.01 5.03 5.05 4.95 6 36 5V/400kHz PWM MODE ILOAD = 0A SLOW VIN RAMP BEHAVIOR MAX17244 toc16 VIN VOUT ILOAD VPGOOD 4s 10V/div 0V 0V 5V/div 5V/div 0V 0A 2A/div VBIAS vs. TEMPERATURE TEMPERATURE (°C) 110 95 65 80 -10 5 20 35 50 -25 4.91 4.92 4.93 4.94 4.95 4.96 4.97 4.98 4.99 5.00 5.01 5.02 4.90 -40 125 ILOAD = 0A VIN = 14V, PWM MODE FULL-LOAD STARTUP BEHAVIOR MAX17244 toc14 VIN 10V/div 0V 5V/div 0V 1A/div 0V 0A 5V/div VOUT ILOAD VPGOOD 2ms SYNC FUNCTION MAX17244 toc17 VLX VFSYNC 200ns 5V/div 2V/div VOUT vs. VIN VIN (V) 36 30 24 18 12 4.92 4.94 4.96 4.98 5.00 5.02 5.04 5.06 5.08 4.90 6 42 5V/2.2MHz PWM MODE ILOAD = 0A SLOW VIN RAMP BEHAVIOR MAX17244 toc15 VIN VOUT ILOAD VPGOOD 4s 10V/div 0V 0V 5V/div 5V/div 0V 0A 2A/div DIPS AND DROPS TEST MAX17244 toc18 VIN VOUT VLX VPGOOD 5V/2.2MHz 10ms 10V/div 0V 0V 5V/div 10V/div 0V 0V 5V/div |
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