MPM3840GQV-Z Non-Isolated PoL Module DC DC Converter 1 Output 0.6 ~ 5.5V 4A 2.8V - 5.5V Input

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Description:

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.

FEATURES

 >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

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