MP2229

New
21V, 6A, High-Efficiency, Step-Down Converter with External SS and Low-Power Mode


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Product Description

The MP2229 is a high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a compact solution to achieve a 6A continuous output current over a wide input-supply range with excellent load and line regulation. The MP2229 has synchronous-mode operation for higher efficiency over the output current load range. Current-mode operation provides fast transient response and eases loop stabilization. Full protection features include over-current protection (OCP) and thermal shutdown (TSD). The MP2229 requires a minimal number of readily available, standard, external components and is available in a space-saving 3mm x 3mm 14-pin QFN package.

Product Features

  • Wide 4.5V to 21V Operating Input Range
  • 6A Output Current
  • Low 40mO/18mO RDS(ON) of Internal Power MOSFETs
  • Programmable Switching Frequency
  • Frequency SYNC from 300KHz to 2MHz External Clock
  • Low-Power Mode Selectable by an External Signal
  • External Soft-Start
  • Pre-Bias Start-Up
  • OCP with Hiccup Mode
  • Thermal Shutdown
  • Output Adjustable from 0.6V
  • Available in a QFN-14 (3mmx3mm) Package

Parametrics

  • fsw (max) (kHz)2000
  • Vin (min) (V)4.5
  • Vin (max) (V)21
  • Iout (max) (A)6
  • Isw Limit (typ) (A)10.5
  • Max Duty Cycle (%)0.95
  • Vfb (typ) (V)0.6
  • Iq (typ) (mA)0.4
  • Regulated Outputs1
  • Vout (max) (V)19.9
  • Vout (min) (V)0.6
  • GradeCatalog
  • PackageQFN-14 (3x3)
  • Control ModeCurrent Mode
  • Common FeaturesExternal Soft Start, Light-Load Efficiency, Synchronous Rectification
  • Special FeaturesExternal Frequency Sync, Programmable Frequency

Evaluation Kit

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Kit details

The EV2229-Q-00A is the evaluation board for MP2229, a high-frequency synchronous rectified step-down switch mode converter with internal power MOSFETs. It offers a very compact solution to achieve 6A continuous output current over a wide input supply range with excellent load and line regulation. The MP2229 has synchronous mode operation for higher efficiency over the output current load range.

Current mode operation provides fast transient response and eases loop stabilization. Full protection features include over-current protection and thermal shutdown.

The MP2229 requires a minimal number of readily-available standard external components and is available in a space saving 3mm x 3mm 14-pin QFN package.

$25.00 + tax