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MP38900DL-B Datasheet(PDF) 4 Page - Monolithic Power Systems |
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MP38900DL-B Datasheet(HTML) 4 Page - Monolithic Power Systems |
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4 / 23 page  MP38900/MP38900-B–HIGHEFFICIENCY,FASTTRANSIENTSYNCHRONOUSSTEP-DOWNCONVERTER MP38900/MP38900-B Rev. 1.1 www.MonolithicPower.com 4 6/25/2012 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2012 MPS. All Rights Reserved. ELECTRICAL CHARACTERISTICS VIN = 12V, VCC=5V, TA = +25C, unless otherwise noted. Parameters Symbol Condition Min Typ Max Units Input Supply Current (Shutdown) IIN VEN = 0V 0 1 μA Input Supply Current (Quiescent) IIN VEN = 2V, VFB = 0.95V, MP38900-B (6) 420 μA Input Supply Current (Quiescent) IIN VEN = 2V, VFB = 0.95V MP38900 (6) 40 μA VCC Supply Current (Quiescent) Ivcc VEN = 2V, VFB = 1V MP38900 350 μA HS Switch On Resistance (5) HSRDS-ON 27 mΩ LS Switch On Resistance (5) LSRDS-ON 10 mΩ Switch Leakage SWLKG VEN = 0V, VSW = 0V or 12V 0 1 μA Current Limit ILIMIT 16.5 A One-Shot On Time TON R7=250kΩ, VOUT=1.05V 300 ns Minimum Off Time (5) TOFF 100 ns Fold-back Off Time (5) TFB ILIM=1 (HIGH) 7.5 μs OCP hold-off time (5) TOC ILIM=1 (HIGH) 50 μs Feedback Voltage VFB 807 815 823 mV Feedback Current IFB VFB = 815mV 10 50 nA Soft Start Charging Current +ISS VSS=0V 8.5 μA Soft Stop Discharging Current -ISS VSS=0.815V 8.5 μA Power Good Rising Threshold PGOODVth-Hi 0.9 VFB Power Good Falling Threshold PGOODVth-Lo 0.85 VFB Power Good Rising Delay TPGOOD Tss = 2ms, MP38900 1.5 ms Power Good Rising Delay TPGOOD MP38900-B 1.5 ms EN Rising Threshold ENVth-Hi 1.05 1.35 1.60 V EN Threshold Hysteresis ENVth-Hys 420 mV EN Input Current IEN VEN = 2V 1.5 μA VCC Under-Voltage Lockout Threshold Rising VCCUVVth MP38900 3.8 4.0 4.2 V VCC Under-Voltage Lockout Threshold Hysteresis VCCUVHYS MP38900 880 mV VIN Under-Voltage Lockout Threshold Rising VINUVVth MP38900-B 3.8 4.0 4.2 V VIN Under-Voltage Lockout Threshold Hysteresis VINUVHYS MP38900-B 880 mV VCC Regulator Output Voltage VCC MP38900-B 5 V VCC Regulator Load Regulation MP38900-B, ICC=5mA 5 % VOUT Over-Voltage Protection Threshold VOVP 1.25 VFB |
Similar Part No. - MP38900DL-B |
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Similar Description - MP38900DL-B |
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