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MAX15003ATM+ Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX15003ATM+ Datasheet(HTML) 6 Page - Maxim Integrated Products |
6 / 32 page Triple-Output Buck Controller with Tracking/Sequencing 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (Figure 8, VIN = 12V, CREG = 2.2µF, TA = +25°C, unless otherwise noted.) SWITCHING FREQUENCY ACCURACY vs. TEMPERATURE TEMPERATURE ( °C) 50 100 75 10 8 6 4 2 0 -2 -4 -6 -8 -10 -50 125 -25 0 25 150 fSW = 600kHz VALLEY CURRENT-LIMIT THRESHOLD vs. VILIM VILIM (mV) 2000 2500 350 300 250 200 150 100 50 500 3000 1000 1500 3500 VALLEY CURRENT-LIMIT THRESHOLD vs. TEMPERATURE TEMPERATURE ( °C) 50 25 75 100 90 80 70 60 50 40 30 20 -50 100 125 -25 0 150 RILIM = 25.5k Ω TEMPERATURE COEFFICIENT (NOM.) = 3,333ppm/ °C SWITCHING CURRENT vs. FREQUENCY FREQUENCY (kHz) 1200 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 200 1700 700 2200 RATIOMETRIC STARTUP MAX15003 toc13 1ms/div 10V/div 1V/div 1V/div 1V/div 0V VOUT1, 2, 3 VIN VEN2 = VEN3 = 0V, SEL = REG RATIOMETRIC SHUTDOWN MAX15003 toc14 400 µs/div 500mV/div 500mV/div 0V VOUT1, 2, 3 VOUT2 VOUT3 VOUT1 VEN2 = VEN3 = 0V, SEL = REG CHANNEL 2 SHORT CIRCUIT (RATIOMETRIC MODE) MAX15003 toc15 400 µs/div 1V/div 1V/div 0V VOUT2 VOUT3 VOUT1 VEN2 = VEN3 = 0V, SEL = REG CHANNEL 1 SHORT CIRCUIT (RATIOMETRIC MODE) MAX15003 toc16 400 µs/div 1V/div 1V/div 1V/div 0V 0V VOUT2 VOUT3 VOUT1 VEN2 = VEN3 = 0V, SEL = REG |
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