Data Sheet Rev. 0
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Overview

Features and Benefits

  • PA Step-Down Converter (OUT1)
    • 7.5µs (typ) Settling Time for 0.5V to 1V Output Voltage Change
    • Dynamic Output-Voltage Setting from 0.5V to VBATT
    • 140mΩ Bypass pFET and 100% Duty Cycle for Low Dropout
    • 2MHz Switching Frequency
    • Low Output-Voltage Ripple
    • 700mA (min) Output Drive Capability
    • 2% Gain Accuracy
    • Tiny External Components
  • RF Step-Down Converter (OUT2)
    • 2MHz Fixed Switching Frequency
    • 94% Peak Efficiency
    • 100% Duty Cycle
    • 2% Output Accuracy Over Load, Line, and Temperature
    • 200mA (min) Output Drive Capability
    • Tiny External Components
  • Low-Noise LDO
    • Guaranteed 200mA Output
    • High 65dB (typ) PSRR
    • Fixed Output Voltage
    • Low Noise (16µVRMS, typ)
  • Simple Logic ON/OFF Controls
  • Low 0.1µA Shutdown Current
  • 2.7V to 5.5V Supply Voltage Range
  • Thermal Shutdown
  • Fully Assembled and Tested

Product Details

The MAX8896 evaluation kit (EV kit) is a fully assembled and tested circuit for evaluating the MAX8896 dual stepdown converter with low-dropout (LDO) linear regulator. The MAX8896 EV kit operates from a 2.7V to 5.5V power supply or battery. The PA step-down output regulates to 2.5 times the voltage at REFIN (0.2V to 1.7V) and provides 700mA drive capability. RFOUT (step-down regulator followed by LDO) regulates to 2.8V and provides 200mA drive capability.

Applications

  • Smartphones
  • WCDMA/NCDMA Cellular Handsets

Applicable Parts

Documentation & Resources

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  • Data Sheet (1)
  • Technical Articles (1)
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