MPQ2143H Datasheet | Monolithic Power Systems

DESCRIPTION The MPQ2143H is a monolithic, step-down, switch-mode converter with internal power MOSFETs. It can achieve up to 3A continuous output current from a 2.5V to 5.5V input voltage with excellent load and line regulation. The output voltage can be regulated as low as 0.6V. Constant-on-time control provides fast transient response and eases loop stabilization. Faultcondition protections include cycle-by-cycle current limiting and thermal shutdown. The MPQ2143H is available in small QFN-10 package and requires only a minimal number of readily-available standard external ponents. The MPQ2143H is ideal for a wide range of applications including high-performance DSPs, FPGAs, and portable instruments. TYPICAL APPLICATION U1 C1 L1 R1 R2 FEATURES - Wide 2.5V to 5.5V Operating Input Range - Output Voltage as Low as 0.6V - 100% Duty Cycle in Dropout - Up to 3A Output Current - 80mΩ and 40mΩ Internal Power MOSFET Switches - Default 2.0MHz Switching Frequency - EN and Power-Good for Power Sequencing - Cycle-by-Cycle Over-Current Protection - Auto Discharge at Power Off - Short-Circuit Protect with Hiccup Mode - Stable with Low-ESR Output Ceramic Capacitors - Available in QFN-10 (2mmx3mm) Package APPLICATIONS - Low Voltage I/O System Power - Handheld/Battery-powered Systems - Wireless/Networking Cards All MPS parts are lead-free and adhere to the Ro HS 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. VOUT C2 MPQ2143H Rev. 1.0 .Monolithic Power. 8/12/2016 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2016 MPS. All Rights...