MPQ2459GJ-P Monolithic Power Systems

MPQ2459 0.5A, 55V, 480KHz, Step-Down Converter in a TSOT23-6 Package AEC-Q100 Qualified The Future of Analog IC Technology DESCRIPTION FEATURES The MPQ2459 is a monolithic, step-down, Guaranteed Industrial/Automotive Temp switch-mode converter with a built-in power Range Limits. MOSFET. It achieves a 0.5A peak output 0.5A Peak Output Current current over a wide input-supply range with 1 Internal Power MOSFET excellent load and line regulation. Current mode Stable with Low-ESR Ceramic Output operation provides a fast transient response Capacitors and eases loop stabilization. Fault protections Up to 90% Efficiency include cycle-by-cycle current limiting and thermal 0.1 A Shutdown Mode shutdown. Fixed 480kHz Frequency The MPQ2459 requires a minimal number of Thermal Shutdown readily-available, standard, external components. Cycle-by-Cycle Over-Current Protection The MPQ2459 is available in a TSOT23-6 Wide 4.5V-to-55V Input Operating Range package. Output Adjustable from 0.81V to 0.95VIN Available in a TSOT23-6 Package Available in AEC-Q100 Grade 1 APPLICATIONS Power Meters Distributed Power Systems Battery Chargers Pre-Regulators for Linear Regulators WLED Drivers All MPS parts are lead-free and adhere to the RoHS directive. For MPS green status, please visit MPS website under Products, Quality Assurance page. MPS and The Future of Analog IC Technology are registered trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION 100 90 80 70 60 50 40 30 0.0 0.1 0.2 0.3 0.4 0.5 0.6 MPQ2459 Rev. 1.11 www.MonolithicPower.com 1 1/4/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved. MPQ2459 INDUSTRIAL GRADE, 55V, 480KHz, STEP-DOWN CONVERTER, AEC-Q100 QUALIFIED ORDERING INFORMATION Part Number Package Top Marking MPQ2459GJ* TSOT23-6 AEQ MPQ2459GJ-AEC1** TSOT23-6 AEQ * For Tape & Reel, add suffix Z (eg. MPQ2459GJZ) ** For Tape & Reel, add suffix -Z (e.g. MPQ2459GJ-AEC1-Z). PACKAGE REFERENCE TOP VIEW BST 1 6 SW GND 2 5 IN FB 3 4 EN (1) (4) ABSOLUTE MAXIMUM RATINGS Thermal Resistance JA JC Supply Voltage V ......................... 0.3V to 60V IN TSOT23-6 .............................. 220 .... 110 .. C/W V ......................................... 0.3V to V +0.3V SW IN Notes: V ....................................................... V + 6V BS SW 1) Absolute maximum are rated under room temperature unless All Other Pins ................................. 0.3V to +6V otherwise noted. Exceeding these ratings may damage the (2) Continuous Power Dissipation (T = +25C) A device. 2) The maximum allowable power dissipation is a function of the TSOT23-6 .............................................. 0.568W maximum junction temperature T(MAX), the junction-to- J Junction Temperature ............................... 150C ambient thermal resistance , and the ambient temperature JA Lead Temperature .................................... 260C T . The maximum allowable continuous power dissipation at A any ambient temperature is calculated by P (MAX)=(T (MAX)- D J Storage Temperature .............. 65C 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 ........................... 4.5V to 55V IN 3) The device function is not guaranteed outside of the Output Voltage V ............... 0.81V to 0.95V OUT IN recommended operating conditions. Operating Junction Temp..... 40C to +125C 4) Measured on JESD51-7, 4-layer PCB. MPQ2459 Rev. 1.11 www.MonolithicPower.com 2 1/4/2018 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2018 MPS. All Rights Reserved.