MAX17103

DC-DC Converter with Integrated Scan Driver, VGL Controller, Op Amp, and LDO for TFT LCD

Integrated PMIC Includes Scan Driver for LCD Notebook Panels Using GOA Technology


Please check latest availability status for a specific part variant.

Description

The MAX17103 includes a high-performance step-up regulator, a 350mA low-dropout linear regulator, a high-speed operational amplifier, a negative linear regulator controller, and a high-voltage, level-shifting scan driver. The device is optimized for thin-film transistor (TFT) liquid-crystal display (LCD) applications.

The step-up DC-DC converter provides the regulated supply voltage for panel source driver ICs. The high 1.2MHz switching frequency allows the use of ultrasmall inductors and ceramic capacitors. The current-mode control architecture provides fast-transient response to pulsed loads typical of source driver loads. The step-up regulator features an adjustable soft-start and an adjustable cycle-by-cycle current limit.

The high-current operational amplifier is designed to drive the LCD backplane (VCOM). The amplifier features high output current (±200mA), fast slew rate (50V/μs), wide bandwidth (12MHz), and rail-to-rail inputs and outputs.

The low-voltage LDO linear regulator has an integrated 0.8Ω pass element and can provide at least 350mA. The output voltage is accurate within ±1%.

The high-voltage, level-shifting scan driver is designed to drive the TFT panel gate drivers. Its three outputs can swing up to 40V (max) to swiftly drive capacitive loads. To save power, the two complementary outputs are designed to allow charge sharing during state changes.

The MAX17103 is available in a 32-pin, 5mm x 5mm, thin QFN package with a maximum thickness of 0.8mm for thin LCD panels.

Key Features

  • 2.3V to 5.5V IN Supply Voltage Range
  • 1.2MHz Current-Mode Step-Up Regulator
    • Fast-Transient Response
    • High-Accuracy Reference (1%)
    • Integrated 16V, 2A, 200mΩ MOSFET
    • High Efficiency (> 85%)
    • Adjustable Cycle-by-Cycle Current Limit
  • High-Performance Operational Amplifier
    • 200mA Output Short-Circuit Current
    • 50V/µs Slew Rate
    • 12MHz, -3dB Bandwidth
  • Low-Dropout Linear Regulator
    • High-Accuracy Output Voltage (1.0%)
  • High-Voltage Drivers with Scan Logic
    • +35V to -15V Outputs
    • 40V (Max) Swing
  • Linear Regulator Controller for Gate-Off Supply
  • Thermal-Overload Protection
  • 32-Pin, 5mm x 5mm, Thin QFN Package

Applications/Uses

  • Notebook Computer Displays

Quality and Environmental Data

Product Reliability Reports: MAX17103.pdf 
Lead-Free Package Tin (Sn) Whisker Reports
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >

 
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