MP2495 Integrated 100V Load Dump Protection, 2A Step Down Regulator with Output Current Control The Future of Analog IC Technology DESCRIPTION FEATURES Replaces External Transorb The MP2495 is a monolithic step-down switch Input Surge Protection Up to 100V mode converter with a programmable output Programmable up to 2.0A Output Current current limit and an integrated input over- voltage protection switch It achieves 2.0A Output Adjustable from 0.8V to 15V continuous output current over a wide input Programmable Output Current Limit without supply range with excellent load and line power loss regulation. 0.25 Internal Power MOSFET Switch Stable with Low ESR Output Ceramic The maximum output current can be Capacitors programmed by sensing current through the 95% Efficiency 500mA (Vo=5V) inductor DC resistance (DCR) or an accurate Fixed 700kHz Frequency sense resistor. Thermal Shutdown Fault condition protection includes cycle-by-cycle Cycle-by-Cycle Over Current Protection current limiting and thermal shutdown. Available in a 16-Pin SOIC Package The MP2495 can survive high-voltage transients APPLICATIONS such as those found in automotive and industrial applications. USB Power Supplies Automotive Cigarette Lighter Adapters The MP2495 requires a minimum number of Power Supply for Linear Chargers readily available standard external components. The MP2495 is available in a 16-pin SOIC package. 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. TYPICAL APPLICATION Efficiency vs. Load Current 12 Typical 12V 100 Surge Voltage to 80V BST 8 4 V =8V IN VIN ISN IN 7 IN 3 90 14 ISP VDD 9 OUT 10 C9 C6 OUT 10nF V =12V 10nF IN 80 MP2495 13 L1 5V VOUT R5 16 SW EN EN D1 70 5 CTR 1 2 FB SS GND GND V =24V 60 IN 15 GND D2 V =5V OUT 50 10 100 1000 10000 LOAD CURRENT (mA) MP2495 Rev. 1.01 www.MonolithicPower.com 1 2/12/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2014 MPS. All Rights Reserved. EFFICIENCY (%)MP2495 INTEGRATED 100V LOAD DUMP PROTECTION, 2A STEP DOWN REGULATOR WITH OUTPUT CURRENT CONTROL ORDERING INFORMATION Part Number* Package Top Marking MP2495DS SOIC16 MP2495DS * For Tape & Reel, add suffix Z (e.g. MP2495DSZ). For RoHS compliant packaging, add suffix LF (e.g. MP2495DSLFZ) PACKAGE REFERENCE TOP VIEW FB EN 1 16 SS 2 15 GND 3 14 V ISP DD 4 13 SW ISN 5 12 BST CTR N/C N/C 6 11 7 10 IN OUT 8 9 OUT IN (1) (4) ABSOLUTE MAXIMUM RATINGS Thermal Resistance JA JC SOIC16 ...................................80 ...... 30... C/W Supply Voltage IN ...................................... 100V IN to CTR......................................-0.3V to 100V Notes: OUT to CTR....................................-0.3V to 45V 1) Exceeding these ratings may damage the device. V ............................................................... 40V 2) The maximum allowable power dissipation is a function of the DD maximum junction temperature T (MAX), the junction-to- J V ...................................... 0.3V to V + 0.3V SW DD ambient thermal resistance , and the ambient temperature JA V ................................................... V + 6.5V BST SW T . The maximum allowable continuous power dissipation at A any ambient temperature is calculated by P (MAX) = (T D J V v ................................................0V to15V ISN, ISP (MAX)-T )/ . Exceeding the maximum allowable power A JA All Other Pins..............................0.3V to +6.5V dissipation will cause excessive die temperature, and the (2) regulator will go into thermal shutdown. Internal thermal Continuous Power Dissipation (T = +25C) A shutdown circuitry protects the device from permanent ...........................................................1.56W damage. 3) The device is not guaranteed to function outside of its Junction Temperature...............................150C operating conditions. Lead Temperature ....................................260C 4) Measured on JESD51-7, 4-layer PCB. Storage Temperature.............. 65 C to +150 C (3) Recommended Operating Conditions Input Voltage.....................................6.5V 16V V Max Transient ............. 80V/100ms duration IN Input Voltage....................................6.5V to 18V V Max Transient ............. 70V/100ms duration IN V ............................................................... 36V DD Output Voltage V (V >16.5V) .....0.8V to 15V OUT IN Output Voltage V (V 16.5V).. 0.8V to (V 1.5)V OUT IN IN Operating Junction Temp. (T ). -40C to +125C J MP2495 Rev. 1.01 www.MonolithicPower.com 2 2/12/2014 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2014 MPS. All Rights Reserved.