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MAX17017 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX17017 Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 31 page Quad-Output Controller for Low-Power Architecture _______________________________________________________________________________________ 3 TA = 0°C to +85°C PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS VCC Supply Current Main Step-Down and Regulator B ONA = ONB = VCC, ONC = OND = GND; does not include switching losses, measured from VCC 280 350 μA VCC Supply Current Main Step-Down and Regulator C ONA = ONC = VCC, ONB = OND = GND; does not include switching losses, measured from VCC 280 350 μA VCC Supply Current Main Step-Down and Regulator D ONA = OND = VCC, ONB = ONC = GND; does not include switching losses; measured from VCC 2.2 3 mA INA Supply Current (Step-Down) IINA ONA = VCC, UP/DN = VCC (step-down) 40 60 μA INA + VCC Step-Up Supply Current IINA ONA = VCC, UP/DN = GND (step-up) 320 410 μA 5V LINEAR REGULATOR (LDO5) LDO5 Output Voltage VLDO5 VINLDO = 5.5V to 26V, ILDO5 = 0 to 50mA, BYP = GND 4.8 5.0 5.2 V LDO5 Short-Circuit Current Limit LDO5 = BYP = GND 70 160 250 mA BYP Switchover Threshold VBYP Rising edge 4.65 V LDO5-to-BYP Switch Resistance RBYP LDO5 to BYP, VBYP = 5V, ILDO5 = 50mA 1.5 4 _ 1.25V REFERENCE Reference Output Voltage VREF No load 1.237 1.25 1.263 V Reference Load Regulation _VREF IREF = -1μA to +50μA 3 10 mV Reference Undervoltage Lockout VREF(UVLO) 1.0 V OSCILLATOR FREQ = VCC 500 FREQ = REF 750 kHz Oscillator Frequency fOSC FREQ = GND 0.9 1.0 1.1 MHz fSWA Main step-up/step-down (regulator A) 1/2 fOSC fSWB Regulator B fOSC Switching Frequency fSWC Regulator C 1/2 fOSC MHz Maximum Duty Cycle (All Switching Regulators) DMAX 90 93.5 % FREQ = VCC or GND 90 Minimum On-Time (All Switching Regulators) tON(MIN) FREQ = REF 75 ns REGULATOR A (Main Step-Up/Step-Down) Step-up configuration ( UP/DN = GND) 3.0 VCC + 0.3 Output-Voltage Adjust Range Step-down configuration ( UP/DN = VCC) 1.0 VCC + 0.3 V ELECTRICAL CHARACTERISTICS (continued) (Circuit of Figure 1 (step-down), VINLDO = 12V, VINA = VINBC = VDD = VCC = VBYP = VCSPA = VCSNA = 5V, VIND = 1.8V, VSHDN = VONA = VONB = VONC = VOND = 5V, IREF = ILDO5 = IOUTD = no load, FREQ = GND, UP/DN = VCC, TA = 0°C to +85°C, unless other- wise noted. Typical values are at TA = +25°C.) (Note 1) |
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