MP5011
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MP5011DQ-LF-P (pdf) |
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MP5011DQ-LF-Z |
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MP5011 12V, 5A Switch with Programmable Current Limit The MP5011 is a device designed to protect circuitry on the output source from transients on the input VCC . It also protects the input from undesirable shorts and transients coming from the source. At start up, the limited slew rate at the source limits the inrush current. A small capacitor at the dv/dt pin controls this slew rate. The dv/dt pin has an internal circuit that allows the customer to float this pin and still achieve a 1.4ms ramp time at the source. The maximum load at the output is currentlimited by using a sense MOSFET topology. An external resistor from the I-LIMIT pin to the source pin controls the magnitude of the current limit. An internal charge pump drives the gate of the power device, allowing for the use of a DMOS power MOSFET with an ON resistance of just The device also includes protective features to protect the source against an input voltage that is outside the operating range. • Integrated Power MOSFET • Enable/Fault Pin • Adjustable Slew Rate for Output Voltage • Adjustable Current Limit 1A-5A • Thermal Protection • Over-Voltage Protection • Hot Swap • PC Cards • Laptops All MPS parts are lead-free and adhere to the RoHS directive. For MPS green status, please visit MPS website under Quality Assurance. “MPS” and “The Future of Analog IC Technology” are Registered Trademarks of Monolithic Power Systems, Inc. 11/8/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2013 MPS. All Rights Reserved. MP5011 12V, 1A-5A PROGRAMMABLE CURRENT LIMIT SWITCH ORDERING INFORMATION Part Number* MP5011DQ Package QFN10 3x3mm Top Marking ACN * For Tape & Reel, add suffix e.g. For RoHS Compliant Packaging, add suffix e.g. PACKAGE REFERENCE ABSOLUTE MAXIMUM RATINGS 1 VCC, SOURCE, I-LIMIT -0.3V to 22V VCC, SOURCE, I-LIMIT Transient 100ms ...25V dv/dt, ENABLE/FAULT..................... -0.3V to 6V Storage Temperature............... -65°C to +155°C Continuous Power Dissipation TA = 25°C 2 2.5W Operating Junction Temperature -40°C to 150°C Recommended Operating Conditions 3 Supply Voltage VIN 9V to 15V Maximum Junction Temp. TJ 125°C Thermal Resistance 4 QFN10 3x3mm .....................50 12 ...°C/W Notes 1 Exceeding these ratings may damage the device. 2 The maximum allowable power dissipation is a function of the maximum junction temperature TJ MAX , the junction-toambient thermal resistance and the ambient temperature TA. The maximum allowable continuous power dissipation at any ambient temperature is calculated by PD MAX = TJ MAX TA / Exceeding the maximum allowable power dissipation will cause excessive die temperature, and the regulator will go into thermal shutdown. Internal thermal shutdown circuitry protects the device from permanent damage. 3 The device is not guaranteed to function outside of its operating conditions. 4 Measured on JESD51-7 4-layer board. 11/8/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2013 MPS. All Rights Reserved. MP5011 12V, 1A-5A PROGRAMMABLE CURRENT LIMIT SWITCH ELECTRICAL CHARACTERISTICS VCC = 12V, RLIMIT=15.4Ω, Capacitive Load = 100uF, TA=25°C, unless otherwise noted. Parameters Symbol Condition Min Typ Max Units Power FET Delay Time ON Resistance 5 Off-State Output Voltage Continuous Current Thermal Latch Shutdown Temperature 5 Under/Over-Voltage Protection Output Clamping Voltage Under-Voltage Lockout Under-Voltage Lockout Hysteresis Current Limit Hold Current 5 Trip Current dv/dt Circuit Rise Time 6 Enable/Fault Low Level Input Voltage Intermediate-Level Input Voltage High-Level Input Voltage High-State Maximum Voltage Low-Level Input Current Sink Maximum Fanout for Fault Signal Maximum Voltage on Enable/Fault Pin 7 tDLY RDSon VOFF VCLAMP VUVLO VHYST ILIM-SS ILIM-OL tr VIL VI INT VIH VI MAX IIL VMAX Enabling of chip to ID=100mA with a 1A resistive load TJ=25°C TJ=80°C VCC=18Vdc, VENABLE=0Vdc, RL= 500Ω in2 pad, Minimum Copper, TA=80°C Overvoltage Protection VCC=17V Turn on, Voltage going high |
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