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MAX20430ATIA/VY+ Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX20430ATIA/VY+ Datasheet(HTML) 8 Page - Maxim Integrated Products |
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8 / 40 page  Electrical Characteristics (continued) (VSUP = VEN = 13.5V, VOUT1 = VPV2 = VPV4 = 3.3V, VBIAS = 5.0V, TA = TJ = -40°C to +125°C unless otherwise noted, typical values are at TA = 25°C under normal conditions unless otherwise noted (Note 2).) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS OUT1 (HV BUCK) Voltage Accuracy -1.5 1.5 % Line Regulation VSUP = 6V to 36V 0.02 %/V DMOS High-Side On- Resistance VBIAS = 5V, ILX1 = 0.1A 52 130 mΩ DMOS Low-Side On- Resistance VBIAS = 5V, ILX1 = 0.1A 47 110 mΩ High-Side Current-Limit Threshold 3.5 4 4.5 A Negative Current-Limit Threshold -1.6 A Minimum On-Time 65 80 ns Max Duty Cycle 98 99 % Switching Phase 0 deg Soft-Start Time 0.9 ms OUT2/OUT4 (LV BUCK) Supply Voltage Range VPV2,VPV4 3 5.5 V Voltage Accuracy VOUT2,VOUT4 ILOAD_ = 0A to IMAX, 3.0V ≤ VPV_ ≤ 5.5V -1.5 1.5 % HS pMOS On- Resistance ILX_ = 0.2A 82 150 mΩ LS nMOS On- Resistance ILX_ = 0.2A 50 115 mΩ HS Current-Limit Threshold Option 1 (1A) 1.4 1.8 2.6 A Option 2 (2A) 2.8 3.5 4.9 Option 3 (3A) 4.2 5.8 7.4 LX2, LX4 Leakage Current VPV_ = 5.5V, LX_ = PGND or PV, TA = 25°C 1 μA Negative Current-Limit Threshold -1 A Minimum On Time 48 76 ns Maximum Duty Cycle 100 % LX2, LX4 Discharge Resistance Output disabled 47 100 Ω Switching Phase 180 deg Soft-Start Time 0.9 ms OUT3 (BOOST) Voltage Accuracy VOUT3 ILOAD = 0A to IMAX 4.925 5 5.075 V PMOS On-Resistance ILX3 = 0.19A 125 250 mΩ NMOS On-Resistance ILX3 = 0.19A 65 130 mΩ MAX20430 Four-Output Mini PMIC For Safety Applications www.maximintegrated.com Maxim Integrated | 8 |
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