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MP8125 Datasheet(PDF) 3 Page - Monolithic Power Systems |
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MP8125 Datasheet(HTML) 3 Page - Monolithic Power Systems |
3 / 13 page MP8125 – LNB POWER SUPPLY AND CONTROL VOLTAGE REGULATOR MP8125 Rev. 1.11 www.MonolithicPower.com 3 5/9/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2013 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS VIN = 12V, TA = 25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units General Input Voltage Range VIN 8 12 14 V Input Supply Current (5) IIN EN=High, no load 5 mA Under Voltage Lockout UVLO VIN rising 7 8 V UVLO Hysteresis 350 mV VEN_High VEN rising 2 V EN Input Logic Threshold VEN_Low VEN falling 0.8 V V13/18_High V13V/18V rising 2 V 13V/18V Input Logic Threshold V13/18_Low V13V/18V falling 0.8 V VLD_High VLINEDROP rising 2 V LINEDROP Input Logic Threshold VLD_Low VLINEDROP falling 0.8 V TCAP pin current ICHA TCAP capacitor charging 7 μA Output Backward Leakage Current (6) IBKLK EN=Low, VOUT is clamped to 24V, VBOOST is float 0.7 1 mA Voltage on BYPASS pin VBYP 5 V SWITCHING REGULATOR Boost Switch On Resistance (5) RDSON IOUT =500mA 500 mΩ Boost Frequency 352 kHz LINEAR REGULATOR Dropout Voltage (5) VBOOST-VOUT, IOUT=500mA 0.9 V OUTPUT LINEDROP=Low, 13V/18V=Low, IOUT =10-100mA 12.8 13.2 13.6 V LINEDROP=Low, 13V/18V=High, IOUT =10-100mA 17.6 18.14 18.7 V LINEDROP=High, 13V/18V=Low, IOUT =10-100mA 13.72 14.2 14.58 V Output Voltage VOUT LINEDROP=High, 13V/18V=High, IOUT =10-100mA 18.57 19.14 19.73 V Output Line Regulation 8V≤VIN≤14V; IOUT=100mA 4 40 mV 10mA≤IOUT≤500mA, 13V/18V=Low 20 mV Output Load Regulation (5) 10mA≤IOUT≤500mA, 13V/18V=High 30 mV |
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