MAX77801

RECOMMENDED FOR NEW DESIGNS

5.5V Input, 2A, High-Efficiency Buck-Boost Converter

2A High-Efficiency Buck and Boost Operating Including Seamless Transition Between Buck and Boost Mode

Data Sheet (Rev. 8) Product Selection Table
Part Models
6
1ku List Price
Starting From $0.68
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Part Details

  • VIN Range: 2.30V to 5.5V
  • VOUT Range: 2.60V to 4.18V (I2C Programmable in 12.5mV Steps)
  • Up to 2A Output Current in Boost Mode (VIN= 3.0V, VOUT = 3.4V)
  • Up to 3A Output Current in Buck Mode
  • Up to 97% Peak Efficiency
  • SKIP Mode for Optimal Light Load Efficiency
  • 55µA (typ) Low Quiescent Current
  • 3.4MHz High-Speed I2C Serial Interface
  • Dynamic Voltage Scaling (DVS) Function
  • Power-OK Output
  • 2.5MHz Switching Frequency
  • Protection Features
    • Soft-Start
    • Thermal Shutdown
    • Overvoltage Protection
    • Overcurrent Protection
  • 2.13mm x 1.83mm, 20-Bump WLP
  • 4mm x 4mm, 20-Pin TQFN
MAX77801
5.5V Input, 2A, High-Efficiency Buck-Boost Converter
MAX77801 Typical Application Circuit MAX77801 Pin Configuation
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Technical Articles 2

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Tools & Simulations

EE-Sim Power® Tools 1

The EE-Sim DC-DC Converter Tool uses your requirements to quickly create a complete power design including a schematic, BOM with commercially available parts, and time and frequency domain simulations. Your customized schematic can be downloaded for further analysis in the standalone EE-Sim OASIS Simulator, featuring SIMPLIS and SIMetrix SPICE engines.

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SIMPLIS Models 1

Evaluation Kits

MAX77801EVKIT

Evaluation Kit for MAX77801

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Features and Benefits

  • Kelvin Sense Pins at the Input and Output of the Regulator Ensure Accurate Efficiency Measurement

Product Details

The MAX77801 evaluation kit demonstrates the IC 2A, buck-boost with I2C capability. The EV kit enables user to evaluate MAX77801 performances with preprogrammed output voltage even without I2C interface board (e.g., MINIQUSB). The two output voltages supported by default are 3.3V and 3.4V and it can be set by pulling DVS high/ low. With I2C interface board (additional order required if necessary), user can set output voltage from 2.6V to 4.1875V with 12.5mV step. The EV kit comes standard with the MAX77801EWP+ installed.

The MINIQUSB interface board can be used to enable PC communication through the USB interface board. Windows ® 2000-, Windows XP®-, Windows Vista®-, and Windows 7-compatible software along with an extender board allows an IBM-compatible PC to use to the USB port to emulate an I2C 2-wire inter-face. This menu-driven program offers a graphical user interface (GUI) with control buttons.

Applications

  • Battery-Powered Applications
  • Smartphones and Tablets
MAX77801EVKIT
Evaluation Kit for MAX77801

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