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MP9447

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High-Efficiency, Fast-Transient, 5A, 36V Synchronous, Step-Down Converter

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Datasheet (EN)

产品描述

The MP9447 is a fully-integrated, high-frequency, synchronous, rectified, step-down, switch-mode converter. It offers a very compact solution to achieve a 5A, continuous-output current over a wide input-supply range with excellent load and line regulation. It also provides fast transient response and good stability for wide input-supply and load range. The MP9447 operates at high efficiency over a wide output current load range. 
Full protection features include SCP, OCP, UVP, and thermal shutdown. 
The MP9447 requires a minimal number of readily-available, standard, external components, and is available in a space-saving 3mm×4mm, 20-pin, QFN package.

Configurable

产品特性

  • Wide 4.5V-to-36V Operating Input Range
  • Guaranteed 5A, Continuous Output Current
  • Internal 65mΩ High-Side, 30mΩ Low-Side Power MOSFETs
  • Proprietary Switching-Loss-Reduction Technology
  • 1.5% Reference Voltage
  • Programmable Soft-Start Time
  • Low Drop-out Mode
  • 200kHz-to-650kHz Switching Frequency
  • SCP, OCP, UVP, and Thermal Shutdown
  • Output Adjustable from 0.8V to 0.9×VIN
  • Available in a 3×4mm 20-pin QFN Package

技术参数

  • fsw (max) (kHz)650
  • 最小输入电压4.5
  • Vin (max) (V)36
  • Iout (max) (A)5
  • Isw Limit (typ) (A)8
  • Vfb (typ) (V)0.815
  • Iq (typ) (mA)0.5
  • 额定输出1
  • Vout (max) (V)32.4
  • Vout (min) (V)0.8
  • GradeCatalog
  • PackageQFN-25 (3x4)
  • Control ModeCOT
  • Common FeaturesExternal Soft Start, Light-Load Efficiency, Synchronous Rectification

EV9447-L-00A


High-Efficiency, Fast-Transient, 5A, 36V Step-Down Converter Evaluation Board

The EV9447-L-00A is an evaluation board for the MP9447, a high-efficiency step-down regulator with integrated power MOSFETs.

MP9447 offers a very compact solution to achieve a 5A, continuous-output current over a wide input-supply range with excellent load and line regulation. It also provides fast transient response and good stability for wide input-supply and load range.

The EV9447-L-00A is a fully assembled and tested evaluation board. It generates a +5V output voltage at load current up to 5A from a 7V to 36V input range. Switching frequency is set at 500kHz.

US$ 25.00 + tax


参考资料