MP2171GJ-P Monolithic Power Systems

MP2171 5.5V, 1A, 2.6MHz, Synchronous, Step Down Converter The Future of Analog IC Technology DESCRIPTION FEATURES The MP2171 is a monolithic, step-down, switch- Wide 2.5V to 5.5V Operating Input Range mode converter with integrated, internal, power Output Voltage as Low as 0.6V MOSFETs. The MP2171 can achieve up to 1A 100% Duty Cycle in Dropout of continuous output current from a 2.5V to Up to 1A Output Current 5.5V input voltage with excellent load and line 90m and 50m Internal Power MOSFET regulation. The output voltage can be regulated Switches as low as 0.6V. Default 2.6MHz Switching Frequency with 3.3V Input and 1.8V Output Constant-on-time (COT) control provides fast EN and Power Good for Power Sequencing transient response and eases loop stabilization. Cycle-by-Cycle Over-Current Protection Full protection features include cycle-by-cycle current limiting and thermal shutdown. (OCP) Auto-Discharge at Power-Off The MP2171 is ideal for a wide range of Short-Circuit Protection (SCP) with Hiccup applications, including automotive infotainment, Mode clusters, telematics, and portable instruments. Stable with Low ESR Output Ceramic The MP2171 requires only a minimal number of Capacitors readily available, standard, external Available in a TSOT23-8 Package components and is available in a small APPLICATIONS TSOT23-8 package. Automotive Infotainment Automotive Clusters Automotive Telematics Low-Voltage I/O System Power Handheld/Battery-Powered Systems All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive. For MPS green status, please visit the MPS website under Quality Assurance. MPS and The Future of Analog IC Technology are registered trademarks of Monolithic Power Systems, Inc. TYPICAL APPLICATION Efficiency V = 3.3V IN 100 90 80 70 60 50 40 30 20 Vo=1.2V Vo=1.8V 10 0 0.01 0.1 1 OUTPUT CURRENT (A) MP2171 Rev. 1.0 www.MonolithicPower.com 1 4/24/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2019 MPS. All Rights Reserved. EFFICIENCY (%)MP2171 5.5V, 1A, 2.6MHz, SYNCHRONOUS STEP-DOWN SWITCHER ORDERING INFORMATION Part Number * Package Top Marking MP2171GJ TSOT23-8 See Below * For Tape & Reel, add suffix Z (e.g.: MP2171GJZ). TOP MARKING BAZ: Product code of MP2171GJ Y: Year code PACKAGE REFERENCE TOP VIEW 1 8 EN PG 2 7 FB VIN 3 6 AGND SW PGND 4 5 OUT TSOT23-8 (1) (4) ABSOLUTE MAXIMUM RATINGS Thermal Resistance JA JC Supply voltage (V ) ........................................ 6V TSOT23-8 ............................. 100 ..... 55 ... C/W IN V .................................... -0.3V (-5V for <10ns) SW NOTES: to V + 0.3V (8V for <10ns) IN 1) Exceeding these ratings may damage the device. 2) The maximum allowable power dissipation is a function of the All other pins ................................... -0.3V to +6V maximum junction temperature TJ (MAX), the junction-to- 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 (2) D J Continuous power dissipation (T = 25C) A (MAX)-T )/ . Exceeding the maximum allowable power A JA dissipation produces an excessive die temperature, causing ................................................................... 1.25W the device to go into thermal shutdown. Internal thermal Storage temperature ................. -65C to +150C shutdown circuitry protects the device from permanent damage. (3) Recommended Operating Conditions 3) The device is not guaranteed to function outside of its operating conditions. Supply voltage (V ) ........................ 2.5V to 5.5V IN 4) Measured on JESD51-7, 4-layer PCB. Output voltage (V ) .............. 0.6V to V - 0.5V OUT IN Operating junction temp. (T ).. -40C to +125C J MP2171 Rev. 1.0 www.MonolithicPower.com 2 4/24/2019 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 2019 MPS. All Rights Reserved.