MP8110DK-LF-P

MPM3840 The Future of Analog IC Technology 2.8V-5.5V, 4A, Power Module, Synchronous Step-Down Converter with Integrated Inductor DESCRIPTION FEATURES The MPM3840 is a DC/DC module that includes a monolithic, step-down, switch-mode converter with built-in, internal power MOSFETs and an inductor. The MPM3840 can provide 4A of continuous output current from a 2.8V to 5.5V input voltage with excellent load and line regulation. The MPM3840 is ideal for powering portable equipment that run on a single-cell Lithium-ion (Li+) battery. The output voltage can be regulated as low as 0.6V. Only input capacitors, output capacitors, and feedback (FB) resistors are required to complete the design.             The constant-on-time (COT) control scheme provides a fast transient response, high light-load efficiency, and easy loop stabilization.  Full protection features include cycle-by-cycle current limiting and thermal shutdown.  The MPM3840 requires a minimal number of readily available, standard, external components and is available in an ultra-small QFN-20 (3mmx5mmx1.6mm) package.    >80% Light-Load Efficiency Low IQ: 40μA Wide 2.8V to 5.5V Operating Input Range Output Voltage as Low as 0.6V 100% Duty Cycle in Dropout 4A Output Current 25mΩ and 12mΩ Internal Power MOSFETs 1.2MHz Frequency External Mode Control External Mode Control (PWM.PFM) and Dynamic Analog Voltage EN and Power Good for Power Sequencing Cycle-by-Cycle Over-Current Protection (OCP) 1.5ms Internal Soft-Start Time with PreBiased Start-Up Short-Circuit Protection (SCP) with Hiccup Mode Thermal Shutdown Stable with Low ESR Output Ceramic Capacitors Available in a QFN-20 (3mmx5mmx1.6mm) Package APPLICATIONS     Networking/Servers Space-Constraint Applications Industrial Products Low-Voltage I/O System Power 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 100 VIN=5V 90 80 70 60 Vo=1V@PWM 50 Vo=1.5V@PWM 40 Vo=1V@PFM Vo=1.2V@PWM Vo=1.8V@PWM Vo=1.2V@PFM 30 Vo=1.5V@PFM Vo=1.8V@PFM 20 Vo=2.5V@PWM Vo=3.3V@PWM 10 0 0.001 Vo=2.5V@PFM Vo=3.3V@PFM 0.01 0.1 IOUT (A) MPM3840 Rev. 1.1 www.MonolithicPower.com 3/10/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 1 10 1 MPM3840 – 4A, 2.8V-5.5V, POWER MODULE SYNCHRONOUS STEP-DOWN CONVERTERWITH INTEGRATED INDUCTOR ORDERING INFORMATION Part Number* MPM3840GQV Package QFN-20 (3mmx5mmx1.6mm) Top Marking See Below * For Tape & Reel, add suffix –Z (e.g. MPM3840GQV–Z) TOP MARKING MP: MPS prefix Y: Year code W: Week code 3840: First four digits of the part number LLL: Lot number M: Module PACKAGE REFERENCE TOP VIEW GND GND SW VIN PG MODE 18 17 16 15 14 13 12 GND 1 GND 2 GND 3 10 FB SW 4 9 OUT SW 5 8 OUT SW 6 7 OUT 19 NC 20 EN 11 RAMP NC QFN-20 (3mmx5mmx1.6mm) MPM3840 Rev. 1.1 www.MonolithicPower.com 3/10/2017 MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. © 2017 MPS. All Rights Reserved. 2 MPM3840 – 4A, 2.8V-5.5V, POWER MODULE SYNCHRONOUS STEP-DOWN CONVERTERWITH INTEGRATED INDUCTOR ABSOLUTE MAXIMUM RATINGS (1) Supply voltage (VIN) ...................................... 6V VSW ................................ -0.3V (-5V for