MP5011 12V, 5A Switch with Programmable Current Limit DESCRIPTION FEATURES Integrated 44m Power MOSFET The MP5011 is a device designed to protect Enable/Fault Pin circuitry on the output (source) from transients on the input (V ). It also protects the input from Adjustable Slew Rate for Output Voltage CC undesirable shorts and transients coming from Adjustable Current Limit: 1A-5A the source. Thermal Protection Over-Voltage Protection At start up, the limited slew rate at the source limits the inrush current. A small capacitor at the APPLICATIONS dv/dt pin controls this slew rate. The dv/dt pin has Hot Swap an internal circuit that allows the customer to float PC Cards this pin and still achieve a 1.4ms ramp time at the Laptops source. All MPS parts are lead-free and adhere to the RoHS directive. For MPS green The maximum load at the output is current- status, please visit MPS website under Quality Assurance. MPS and The limited by using a sense MOSFET topology. An Future of Analog IC Technology are Registered Trademarks of Monolithic Power Systems, Inc. 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 44m. The device also includes protective features to protect the source against an input voltage that is outside the operating range. TYPICAL APPLICATION MP5011 Rev. 1.01 www.MonolithicPower.com 1 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* Package Top Marking MP5011DQ QFN10 (3x3mm) ACN * For Tape & Reel, add suffix Z (e.g. MP5011DQZ) For RoHS Compliant Packaging, add suffix LF (e.g. MP5011DQLFZ) PACKAGE REFERENCE (4) (1) Thermal Resistance JA JC ABSOLUTE MAXIMUM RATINGS QFN10 (3x3mm) ..................... 50 ...... 12 ... C/W V , SOURCE, I-LIMIT .................. -0.3V to 22V CC V , SOURCE, I-LIMIT Transient (100ms) ... 25V CC Notes: dv/dt, ENABLE/FAULT ..................... -0.3V to 6V 1) Exceeding these ratings may damage the device. 2) The maximum allowable power dissipation is a function of the Storage Temperature ............... -65C to +155C (2) maximum junction temperature TJ(MAX), the junction-to- Continuous Power Dissipation (T = 25C) A ambient thermal resistance , and the ambient temperature JA ............................................................ 2.5W T . The maximum allowable continuous power dissipation at A any ambient temperature is calculated by P (MAX)=(T (MAX)- D J Operating Junction Temperature -40C to 150C T )/ . Exceeding the maximum allowable power dissipation A JA (3) will cause excessive die temperature, and the regulator will go Recommended Operating Conditions into thermal shutdown. Internal thermal shutdown circuitry protects the device from permanent damage. Supply Voltage V ............................. 9V to 15V IN 3) The device is not guaranteed to function outside of its Maximum Junction Temp. (T ) ............... 125C J operating conditions. 4) Measured on JESD51-7 4-layer board. MP5011 Rev. 1.01 www.MonolithicPower.com 2 11/8/2013 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2013 MPS. All Rights Reserved.