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MP2159GJ - COT Synchronous Step Down Switcher

Download the MP2159GJ datasheet PDF. This datasheet also covers the MP2159 variant, as both devices belong to the same cot synchronous step down switcher family and are provided as variant models within a single manufacturer datasheet.

General 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.

Key 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.
  • 100% Duty Cycle in Dropout.
  • 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MP2159-MPS.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Monolithic Power Systems

Part Number Description
MP2159 COT Synchronous Step Down Switcher
MP2151 Synchronous Step-Down Converter
MP2151GTF Synchronous Step-Down Converter
MP2153 5.5V 3A Sync Step-Down Converter
MP2155 High Efficiency Single Inductor Buck-Boost Converter

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
The Future of Analog IC Technology 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. The Constant-On-Time control scheme provides fast transient response and eases loop stabilization. Fault condition protection includes cycle-by-cycle current limiting and thermal shutdown. The MP2159 is available in the small TSOT23-8 package and requires a minimum number of readily available standard external components. The MP2159 is ideal for a wide range of applications including High Performance DSPs, FPGAs, PDAs, and portable instruments. TYPICAL APPLICATION MP2159 1A, 6V, 1.