MP1496S

Active
2A, 16V, 500kHz, Step-Down Converter with external SS


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Product Description

The MP1496S is a high-frequency, synchronous, rectified, step-down, switch-mode converter with built-in power MOSFETs. It offers a very compact solution to achieve a 2A continuous output current with excellent load and line regulation over a wide input supply range. The MP1496S has synchronous mode operation for higher efficiency over the output-current?oad range. Current-mode operation provides a fast transient response and eases loop stabilization. Protective features include over-current protection and thermal shut down and external SS control. The MP1496S requires a minimal number of readily-available standard external components, and is available in a space-saving 8-pin TSOT23 package.

Programmable

Product Features

  • Wide 4.5V to 16V Operating Input Range
  • 150mΩ/70mΩ Low-RDS(ON) Internal Power MOSFETs
  • Proprietary Switching-Loss–Reduction Technique
  • High-Efficiency Synchronous Mode Operation
  • Fixed 500kHz Switching Frequency
  • Can Synchronize with a 300kHz-to-2MHz External Clock
  • Externally Programmable Soft-Start
  • OCP Protection and Hiccup
  • Thermal Shutdown
  • Output Adjustable Starting from 0.8V
  • Available in an 8-pin TSOT23 Package

Parametrics

  • fsw (max) (kHz)500
  • Vin (min) (V)4.5
  • Vin (max) (V)16
  • Iout (max) (A)2
  • Isw Limit (typ) (A)3
  • Max Duty Cycle (%)0.95
  • Vfb (typ) (V)0.807
  • Iq (typ) (mA)0.7
  • Regulated Outputs1
  • Vout (max) (V)15.2
  • Vout (min) (V)0.8
  • GradeCatalog
  • PackageTSOT23-8
  • Control ModeCurrent Mode
  • Common FeaturesExternal Soft Start, Synchronous Rectification
  • Special FeaturesExternal Frequency Sync