MPM38222

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6V, Dual 2A, Step-Down Power Module with Integrated Inductor and 45µA low Iq


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Product Description

The MPM38222 is a dual-channel DC/DC module. The module includes a monolithic, step-down, switch-mode converter with built-in, internal power MOSFETs and inductors. The MPM38222 is designed to simplify power system design and provide ease of use. The MPM38222 operates from a 2.7V to 6V input, generates an output voltage as low as 0.608V, and has a 45µA quiescent current, making it ideal for powering portable equipment that run on a single-cell Lithium-ion (Li+) battery. The MPM38222 integrates dual, 80m?, high-side switches and 35m? synchronous rectifiers for high efficiency without an external Schottky diode. Peak-current-mode control and internal compensation limit the minimum number of readily available external components. Full protection features include cycle-by-cycle current limiting and thermal shutdown. The MPM38222 is available in a small, surface-mounted, QFN-14 (4mmx4mmx1.6mm) package.

Product Features

  • Dual 2A Output Current
  • >93% Peak Efficiency
  • >80% Light-Load Efficiency
  • Ultra-Low IQ: 45µA
  • 80m? and 35m? Internal Power MOSFET
  • Wide 2.7V to 6V Operating Input Range
  • Default 1MHz Switching Frequency
  • 180° Phase-Shifted Operation
  • 100% Duty Cycle Operation
  • Cycle-by-Cycle Over-Current Protection (OCP)
  • Short-Circuit Protection (SCP) with Hiccup Mode
  • Thermal Shutdown
  • Available in a Small QFN-14 (4mmx4mmx1.6mm) Package

Parametrics

  • fsw (max) (kHz)1000
  • Vin (min) (V)2.7
  • Vin (max) (V)6
  • Iout (max) (A)2
  • Isw Limit (typ) (A)3.5
  • Max Duty Cycle (%)1
  • Vfb (typ) (V)0.608
  • Iq (typ) (mA)0.045
  • Regulated Outputs2
  • Vout (max) (V)6
  • Vout (min) (V)0.608
  • EN ControlYes
  • GradeIndustrial
  • PackageQFN-14 (4x4x1.6)
  • Special FeaturesEMI Tested, Light-Load Efficiency, Multiple Outputs
  • SS内部
  • PGNo

Evaluation Kit

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Kit details

The EVM38222-R-00A Evaluation Board is designed to demonstrate the capabilities of MPS’ MPM38222. The MPM38222 is a Dual Channels DC-DC Module. The module includes monolithic step-down switch mode converter with built-in internal power MOSFETs and inductors. It's designed to simplify power system design and provide ease of use.

The MPM38222 operates from a 2.7V-to-6V input, generates an output voltage as low as 0.608V, and has a 45µA quiescent current that makes it ideal for powering portable equipment that runs on a single cell lithium-ion (Li+) battery.

US$ 25.00 + tax


Reference Materials