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MAX8884Y - 700mA DC-DC Step-Down Converters

General Description

The MAX8884Y/MAX8884Z step-down converters with dual low-dropout (LDO) linear regulators are intended to power low-voltage microprocessors, DSPs, camera and Wi-Fi modules, or other point of load applications in portable devices.

These ICs feature high efficiency with small external component size.

Key Features

  • Step-Down Converter Pin-Selectable Output Voltage (1.2V/1.8V) 2MHz or 4MHz Switching Frequency Low-Output Voltage Ripple 700mA Output Drive Capability Simple Logic ON/OFF Control Tiny External Components.
  • Low-Noise LDOs 2 x 300mA LDO Pin-Selectable Output Voltage (LDO1) Low 26µVRMS (typ) Output Noise High 65dB (typ) PSRR Simple Logic ON/OFF Control.
  • Low 0.1µA Shutdown Current.
  • 2.7V to 5.5V Supply Voltage Range.
  • Thermal Shutdown.
  • Tiny, 2mm x.

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Full PDF Text Transcription for MAX8884Y (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for MAX8884Y. For precise diagrams, and layout, please refer to the original PDF.

19-4418; Rev 0; 4/09 www.DataSheet4U.com 700mA DC-DC Step-Down Converters with Dual 300mA LDO in 2mm x 2mm CSP General Description The MAX8884Y/MAX8884Z step-down convert...

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x 2mm CSP General Description The MAX8884Y/MAX8884Z step-down converters with dual low-dropout (LDO) linear regulators are intended to power low-voltage microprocessors, DSPs, camera and Wi-Fi modules, or other point of load applications in portable devices. These ICs feature high efficiency with small external component size. The step-down converter output voltage is pin selectable between 1.2V and 1.8V, and provides guaranteed output current of 700mA. The 2/4MHz hysteretic-PWM control scheme allows for tiny external components and reduces no-load operating current to 50μA. Two low quiescent current, low-noise LDOs opera