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MAX8740 - TFT-LCD Step-Up DC-DC Converter

Key Features

  • 90% Efficiency.
  • Adjustable Output from VIN to 28V.
  • 2.6V to 5.5V Input Supply Range.
  • Input Supply Undervoltage Lockout.
  • Pin-Programmable 640kHz/1.2MHz Switching Frequency.
  • Programmable Soft-Start.
  • 0.1µA Shutdown Current.
  • Small, 10-Pin Thin DFN Package MAX8740 The MAX8740 is a high-performance, step-up DC-DC converter that provides a regulated supply voltage for active-matrix, thin-film transistor (TFT), liquid-crystal disp.

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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.

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19-3698; Rev 0; 5/05 KIT ATION EVALU LE B A IL A AV www.DataSheet4U.com TFT-LCD Step-Up DC-DC Converter General Description Features ♦ 90% Efficiency ♦ Adjustable Output from VIN to 28V ♦ 2.6V to 5.5V Input Supply Range ♦ Input Supply Undervoltage Lockout ♦ Pin-Programmable 640kHz/1.2MHz Switching Frequency ♦ Programmable Soft-Start ♦ 0.1µA Shutdown Current ♦ Small, 10-Pin Thin DFN Package MAX8740 The MAX8740 is a high-performance, step-up DC-DC converter that provides a regulated supply voltage for active-matrix, thin-film transistor (TFT), liquid-crystal displays (LCDs). The MAX8740 incorporates currentmode, fixed-frequency, pulse-width modulation (PWM) circuitry with a built-in n-channel power MOSFET to achieve high efficiency and fast transient response.