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MAX8727 Datasheet Tft-lcd Step-up DC-dc Converter

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: MAX8727 19-3480; Rev 1; 8/05 EVAALVUAAILTAIOBNLEKIT TFT-LCD Step-Up DC-DC Converter.

General Description

The MAX8727 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 MAX8727 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.

Users can select 640kHz or 1.2MHz operation using a logic input pin (FREQ).

Key Features

  • 90% Efficiency.
  • Adjustable Output from VIN to 24V.
  • 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 Ordering Information PART TEMP RANGE MAX8727ETB -40°C to +85°C MAX8727ETB+ -40°C to +85°C +Denotes lead-free package. PIN-.

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MAX8727 Distributor