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MAX1586BETM Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX1586BETM Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 30 page High-Efficiency, Low-IQ PMICs with Dynamic Core for PDAs and Smart Phones _______________________________________________________________________________________ 3 PARAMETER CONDITIONS MIN TYP MAX UNITS ILX1 = -180mA 0.18 0.3 p-Channel On-Resistance ILX1 = -180mA, VPV1 = 2.6V 0.21 0.35 Ω ILX1 = 180mA 0.13 0.225 n-Channel On-Resistance ILX1 = 180mA, VPV1 = 2.6V 0.15 0.25 Ω Current-Sense Transresistance 0.5 V/A p-Channel Current-Limit Threshold -1.55 -1.80 -2.10 A PWM Skip-Mode Transition Load Current Decreasing load current (Note 2) 30 mA OUT1 Maximum Output Current 2.6V ≤ VPV1 ≤ 5.5V (Note 3) 1.3 A LX1 Leakage Current VPV1 = 5.5V, LX1 = GND or PV1, VON1 = 0V -20 +0.1 +20 µA SYNCHRONOUS-BUCK PWM REG2 FB2 = GND, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 2.463 2.5 2.537 MAX1586A, MAX1587A, FB2 = IN, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 1.773 1.8 1.827 REG2 Voltage Accuracy MAX1586B, FB2 = IN, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 3.25 3.3 3.35 V FB2 Voltage Accuracy FB2 used with external resistors, 3.6V ≤ VPV2 ≤ 5.5V, load = 0 to 900mA 1.231 1.25 1.269 V FB2 Input Current FB2 used with external resistors, VFB2 = 1.25V 100 nA Error-Amplifier Transconductance Referred to FB 87 µS Dropout Voltage Load = 900mA (Note 1) 243 380 mV ILX2 = -180mA 0.225 0.375 p-Channel On-Resistance ILX2 = -180mA, VPV2 = 2.6V 0.26 0.425 Ω ILX2 = 180mA 0.15 0.25 n-Channel On-Resistance ILX2 = 180mA, VPV2 = 2.6V 0.17 0.275 Ω Current-Sense Transresistance 0.7 V/A p-Channel Current-Limit Threshold -1.1 -1.275 -1.50 A PWM Skip-Mode Transition Load Current Decreasing load current (Note 2) 30 mA OUT2 Maximum Output Current 2.6V ≤ VPV2 ≤ 5.5V (Note 3) 0.9 A LX2 Leakage Current VPV2 = 5.5V, LX2 = GND or PV2, VON2 = 0V -10 +0.1 +10 µA SYNCHRONOUS-BUCK PWM REG3 MAX1586A, MAX1586B, MAX1587A, load = 0 to 500mA -1.5 +1.5 REG3 Output Voltage Accuracy REG3 from 0.7V to 1.475V, 2.6V ≤ VPV3 ≤ 5.5V MAX1586C, MAX1587C, load = 0 to 900mA -1.5 +1.5 % Error-Amplifier Transconductance 68 µS ELECTRICAL CHARACTERISTICS (continued) (VIN = 3.6V, VBKBT = 3.0V, VLBI = 1.1V, VDBI = 1.35V, circuit of Figure 5, TA = 0°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) |
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