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MAX8716 Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX8716 Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 30 page Interleaved High-Efficiency, Dual Power-Supply Controllers for Notebook Computers 8 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (Circuit of Figure 1, VIN = 12V, VDD = VCC = 5V, SKIP_ = GND, FSEL = REF, TA = +25°C, unless otherwise noted.) 1.8V OUTPUT EFFICIENCY vs. LOAD CURRENT LOAD CURRENT (A) 1 0.1 0.01 60 70 80 90 100 50 0.001 10 SKIP MODE PWM MODE VIN = 12V L = 3.2µH LOW-NOISE MODE NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE (FORCED-PWM MODE) INPUT VOLTAGE (V) 20 16 12 8 4 4 8 12 16 20 24 28 0 024 IBIAS IIN SKIP1 = SKIP2 = VCC ON1 = ON2 = VCC 0.1 1 10 0.01 NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE (IDLE MODE) INPUT VOLTAGE (V) 20 16 12 8 4 024 IBIAS IIN SKIP1 = SKIP2 = GND OR REF ON1 = ON2 = VCC OUT2 IDLE-MODE CURRENT vs. INPUT VOLTAGE 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 INPUT VOLTAGE (V) 20 16 12 8 4 024 MAXIMUM DUTY- CYCLE LIMITED SKIP2 = GND SKIP2 = REF OUT2 SWITCHING FREQUENCY vs. LOAD CURRENT LOAD CURRENT (A) 1 0.1 0.01 10 100 1000 1 0.001 10 SKIP2 = GND SKIP2 = REF SKIP2 = VCC 5V OUTPUT VOLTAGE vs. INPUT VOLTAGE 4.95 5.00 5.05 4.90 INPUT VOLTAGE (V) 20 16 12 8 4 024 SKIP2 = VCC 3.3V OUTPUT VOLTAGE vs. INPUT VOLTAGE 3.30 3.35 3.40 3.25 INPUT VOLTAGE (V) 20 16 12 8 4 024 SKIP1 = VCC 0.1 0.2 0.3 0.4 0 OUT2 DROPOUT VOLTAGE vs. LOAD CURRENT LOAD CURRENT (A) 4 3 2 1 05 VOUT2 = 4.8V |
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