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MAX8715 - Low-Noise Step-Up DC-DC Converters

Features

  • 90% Efficiency.
  • Adjustable Output from VIN to 12V.
  • 1.6A, 0.21Ω, 14V Power MOSFET (MAX1790).
  • 2.4A, 0.15Ω, 14V Power MOSFET (MAX8715).
  • +2.6V to +5.5V Input Range.
  • Pin-Selectable 640kHz or 1.2MHz Switching Frequency.
  • 0.1µA Shutdown Current.
  • Programmable Soft-Start.
  • Small 8-Pin µMAX Package MAX1790/MAX8715 The MAX1790/MAX8715 boost converters incorporate high-performance (at 1.2MHz), current-mode, fixed-frequency, pu.

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Full PDF Text Transcription

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19-1563; Rev 3; 9/05 KIT ATION EVALU LE B A IL A AV www.DataSheet4U.com Low-Noise Step-Up DC-DC Converters General Description Features ♦ 90% Efficiency ♦ Adjustable Output from VIN to 12V ♦ 1.6A, 0.21Ω, 14V Power MOSFET (MAX1790) ♦ 2.4A, 0.15Ω, 14V Power MOSFET (MAX8715) ♦ +2.6V to +5.5V Input Range ♦ Pin-Selectable 640kHz or 1.2MHz Switching Frequency ♦ 0.1µA Shutdown Current ♦ Programmable Soft-Start ♦ Small 8-Pin µMAX Package MAX1790/MAX8715 The MAX1790/MAX8715 boost converters incorporate high-performance (at 1.2MHz), current-mode, fixed-frequency, pulse-width modulation (PWM) circuitry with a built-in 0.21Ω/0.15Ω n-channel MOSFET to provide a highly efficient regulator with fast response. High switching frequency (640kHz or 1.
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