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MAX1586 Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX1586 Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 32 page High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones _______________________________________________________________________________________ 7 PARAMETER CONDITIONS MIN MAX UNITS SYNCHRONOUS-BUCK PWM REG3 REG3 from 1.3V to 1.475V, 2.6V ≤ VPV3_ ≤ 5.5V, load = 0 to 500mA -1.5 +1.5 REG3 Output Voltage Accuracy REG3 from 0.70V to 1.275V, 2.6V ≤ VPV3_ ≤ 5.5V, load = 0 to 500mA -2 +2 % ILX3 = -180mA 0.375 P-Channel On-Resistance ILX2 = -180mA, VPV3 = 2.6V 0.425 Ω ILX3 = 180mA 0.25 N-Channel On-Resistance ILX3 = 180mA, VPV3 = 2.6V 0.275 Ω P-Channel Current-Limit Threshold -0.60 +0.85 A OUT3 Maximum Output Current 2.6V ≤ VPV3_≤ 5.5V (Note 3) 0.4 A LX3 Leakage Current VPV3 = 5.5V, LX3 = GND or PV2, VON3 = 0V -10 +10 µA LDOs V4, V5, V6, V1 SLEEP, V2 SLEEP, AND V7 OUTPUT V4, V5, V6, V1 SLEEP, V2 SLEEP Output Current 35 mA V7 Output Current 30 mA REG4 Output Voltage Load = 0.1mA to 35mA 1.254 1.346 V REG5 Output Voltage Load = 0.1mA to 35mA 1.061 1.139 V IN45, IN6 Input Voltage Range 2.4 5.5 V 1.8V setting, load = 0.1mA to 35mA 1.737 1.863 2.5V setting, load = 0.1mA to 35mA 2.412 2.588 REG6 Output Voltage (POR Default to 0V, Set by Serial Input) MAX1586 3.0V setting, load = 0.1mA to 35mA 2.895 3.105 V V1 and V2 SLEEP Output Voltage Accuracy Set to same output voltage as REG1 and REG2 -3.5 +3.5 % V1 and V2 SLEEP Dropout Voltage Load = 20mA 150 mV V6 Dropout Voltage MAX1586 3V mode, load = 30mA; 2.5V mode, load = 30mA 200 mV V7 Switch Voltage Drop Load = 20mA, VBKBT = VV1 = 3.0V 200 mV V4, V5, V6 Output Current Limit 40 mA BKBT Leakage 1 µA OSCILLATOR PWM Switching Frequency 0.93 1.07 MHz SUPERVISORY/MANAGEMENT FUNCTIONS Rising 92 97 POK Trip Threshold (Note 4) Falling 88.5 92.5 % LBI = IN (for preset) 3.51 3.69 LBI Threshold (Falling) MAX1586, hysteresis is 5% (typ) With resistors at LBI 0.98 1.02 V DBI = IN (for preset) 2.993 3.307 DBI Threshold (Falling) MAX1586, hysteresis is 5% (typ) With resistors at LBI 1.208 1.256 V RSO Threshold (Falling) Voltage on REG7, hysteresis is 5% (typ) 2.25 2.60 V ELECTRICAL CHARACTERISTICS (continued) (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = -40°C to +85°C, unless otherwise noted.) (Note 5) |
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