MP2159

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High Efficiency, 1A, 6V, 1.5MHz, 17uA Iq, COT Synchronous Step Down Converter with PG in TSOT23-8



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Product Description

The MP2159 is a monolithic step-down switch mode converter with built-in internal power MOSFETs. It achieves 1A continuous output current from a 2.5V to 6V input voltage with excellent load and line regulation. The output voltage can be regulated as low as 0.6V.

Programmable

Product Features

  • Very Low IQ: 17μA
  • Default 1.5MHz Switching Frequency
  • EN and Power Good for Power Sequencing
  • Wide 2.5V to 6V Operating Input Range Output Adjustable from 0.6V
  • Up to 1A Output Current
  • 118mΩ and 88mΩ Internal Power MOSFET Switches
  • Cycle-by-Cycle Over Current Protection
  • Short Circuit Protect with Hiccup Mode
  • Stable with Low ESR Output Ceramic Capacitors
  • Available in a TSOT23-8 Package

Parametrics

  • fsw (max) (kHz)1500
  • Vin (min) (V)2.5
  • Vin (max) (V)6
  • Iout (max) (A)1
  • Isw Limit (typ) (A)2
  • Max Duty Cycle (%)1
  • Vfb (typ) (V)0.6
  • Iq (typ) (mA)0.017
  • Regulated Outputs1
  • Vout (min) (V)0.6
  • GradeCatalog
  • 封装TSOT23-8
  • Control ModeCOT
  • Common FeaturesLight-Load Efficiency, Power Good, Synchronous Rectification
  • 特性100% Duty Cycle

Reference Materials