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MAX15039 Datasheet(PDF) 5 Page - Maxim Integrated Products |
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MAX15039 Datasheet(HTML) 5 Page - Maxim Integrated Products |
5 / 19 page 6A, 2MHz Step-Down Regulator with Integrated Switches _______________________________________________________________________________________ 5 EFFICIENCY vs. OUTPUT CURRENT OUTPUT CURRENT (A) 1.0 50 60 70 80 90 100 40 0.1 10.0 VOUT = 2.5V VOUT = 1.8V VOUT = 1.2V PWM SKIP EFFICIENCY vs. OUTPUT CURRENT OUTPUT CURRENT (A) 1.0 50 60 70 80 90 100 40 0.1 10.0 VOUT = 2.5V VOUT = 1.8V VOUT = 1.2V VIN = 3.3V PWM SKIP FREQUENCY vs. INPUT VOLTAGE INPUT VOLTAGE (V) 5.0 4.5 3.0 3.5 4.0 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 1.80 2.5 5.5 TA = +85 °C TA = +25 °C TA = -40 °C RFREQ = 23.2k Ω FREQUENCY vs. INPUT VOLTAGE INPUT VOLTAGE (V) 5.0 4.5 3.0 3.5 4.0 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20 0.80 2.5 5.5 TA = +85 °C TA = +25 °C TA = -40 °C RFREQ = 49.9k Ω LOAD REGULATION LOAD CURRENT (A) 5 6 4 12 3 -0.45 -0.40 -0.35 -0.30 -0.25 -0.20 -0.15 -0.10 -0.05 0 -0.50 07 VOUT = 1.2V VOUT = 1.8V VOUT = 2.5V LINE REGULATION (LOAD = 6A) INPUT VOLTAGE (V) 5.0 4.5 4.0 3.5 3.0 -0.10 -0.08 -0.06 -0.04 -0.02 0 -0.12 2.5 5.5 VOUT = 1.2V VOUT = 1.8V Typical Operating Characteristics (Typical values are VIN = VEN = 5V, VOUT = 1.8V, RFREQ = 49.9kΩ, IOUT = 6A, TA = +25°C, circuit of Figure 1, unless otherwise noted.) ELECTRICAL CHARACTERISTICS (continued) (VIN = VEN = 5V, CVDD = 2.2µF, TA = TJ = -40°C to +85°C, typical values are at TA = +25°C, circuit of Figure 1, unless otherwise noted.) (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS FB Hiccup Threshold VFB falling 70 % VREFIN Hiccup Threshold Blanking Time VFB falling 28 µs Note 3: Specifications are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by design. |
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