MP8772

New
12A, 17V, 700kHz Synchronous Step-down Converter with PG and External Soft Start in 3x3mm QFN package


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Product Description

The MP8772 is a fully integrated, high-frequency, synchronous, rectified, step-down, switch-mode converter with internal power MOSFETs. The MP8772 offers a very compact solution that achieves 12A of continuous output current with excellent load and line regulation over a wide input range. The MP8772 uses synchronous mode operation for higher efficiency over the output current load range.
Constant-on-time (COT) control operation provides very fast transient response, easy loop design, and very tight output regulation.
Full protection features include short-circuit protection (SCP), over-current protection (OCP), under-voltage protection (UVP), and thermal shutdown.
The MP8772 requires a minimal number of readily available, standard, external components and is available in a space-saving QFN-16 (3mmx3mm) package.

Programmable

Product Features

  • Output Adjustable from 0.6V
  • Wide 4.5V to 17V Operating Input Range
  • 12A Output Current
  • 16mΩ/5.5mΩ Low RDS(ON) Internal Power MOSFETs
  • 100μA Quiescent Current
  • High-Efficiency Synchronous Mode Operation
  • Pre-Biased Start-Up
  • Fixed 700kHz Switching Frequency
  • External Programmable Soft Start-Up Time
  • Enable (EN) and Power Good (PG) for Power Sequencing
  • Over-Current Protection (OCP) and Hiccup
  • Thermal Shutdown
  • Available in a QFN-16 (3mmx3mm) Package

Parametrics

  • fsw (max) (kHz)700
  • Vin (min) (V)4.5
  • Vin (max) (V)17
  • Iout (max) (A)12
  • Isw Limit (typ) (A)14
  • Vfb (typ) (V)0.6
  • Iq (typ) (mA)0.1
  • Regulated Outputs1
  • Vout (max) (V)12
  • Vout (min) (V)0.6
  • GradeCatalog
  • 封装QFN-16 (3x3)
  • Control ModeCOT
  • Common FeaturesPower Good, Synchronous Rectification

Evaluation Kit

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Kit details

The EV8772-Q-00AEvaluation Board is designed to demonstrate the capabilities of MPS’ MP8772, a fully-integrated high-frequency, synchronous rectified, step-down, switch-mode converter with internal power MOSFETs. It offers a very compact solution to achieve a 12A continuous output current over a wide input range, with excellent load and line regulation. The MP8772 has synchronous-mode operation for higher efficiency over the output current-load range.

Constant On-Time control operation provides very fast transient response and easy loop design as well as very tight output regulation.

Full protection features include SCP, OCP, UVP, and thermal shutdown.

The MP8772 requires a minimal number of readily-available, standard, external components and is available in a space-saving QFN-16 (3mmх3mm) package.

US$ 25.00 + tax