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MP2187 Datasheet(PDF) 4 Page - Monolithic Power Systems |
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MP2187 Datasheet(HTML) 4 Page - Monolithic Power Systems |
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4 / 18 page  MP2187 – DUAL 3A, 5.5V, 1.2MHz, SYNCHRONOUS STEP-DOWN SWITCHER MP2187 Rev. 1.0 www.MonolithicPower.com 4 12/12/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2014 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS VIN = 5V, TJ=-40°C to +125°C, typical value is tested at TJ=25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units Input Voltage Range Input Voltage VIN 2.5 5.5 V Supply Current Supply Current (Shutdown) VEN1 or 2=0V 0.1 μA Supply Current (Quiescent) VEN=2V, VIN=3.6V, Both channel on 80 μA Output Voltage 1.1V rail, TJ=25°C -1.5% 1.1 +1.5% Fixed Output Voltage Vo 1.8V rail, TJ=25°C -1.5% 1.8 +1.5% V/% Internal Feedback Voltage of 1.1V Output Channel 2.5V ≤ VIN ≤ 5.5V, TJ=25°C -1.5% 0.600 +1.5% Internal Feedback Voltage VFB TJ=-40°C to 125°C (5) -2% +2% V/% Power FET PFET Switch ON Resistance RDSON_P 60 mΩ NFET Switch ON Resistance RDSON_N 30 mΩ Switch Leakage VEN1 or 2 = 0V, VIN = 5V VSW 1 or 2= 0V and 5V, TJ=25°C 0.1 2 μA PFET Current Limit (6) 4.7 5.3 A VIN=5V, VOUT1 =1.1V 183 ON Time TON VIN=5V, VOUT 2=1.8V 300 ns VIN=5V, VOUT1 =1.1V, IOUT1 =1A VIN=5V, VOUT2 =1.8V, IOUT2 =1A, TJ=25°C -20% 1200 +20% kHz Switching Frequency Fs TJ=-40°C to 125°C (5) -25% 1200 +25% kHz Minimum OFF Time TMIN-OFF 50 ns Soft Start and Soft Off Soft-Start Time TSS-ON 10% to 90% output voltage 0.6 ms Soft-Stop Time TSS-OFF 1 ms Power Good Power-Good Upper Trip Threshold PGH FB voltage with respect to the regulation +10 % Power-Good Lower Trip Threshold PGL -10 % PGDL High to low 100 μs Power-Good Delay PGDH Low to high 100 us Power-Good Sink Current Capability VPG-L Sink 1mA 0.4 V Power Good Logic High Voltage VPG-H VIN=5V 4.9 V Power Good Internal Pull-Up Resistor RPG 500 kΩ |
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