MAX17062

NOT RECOMMENDED FOR NEW DESIGNS

TFT-LCD Step-Up DC-DC Converter

High-Performance Step-Up DC-DC Converter Provides a Regulated Supply Voltage for Active-Matrix Thin-Film Transistor (TFT) Liquid-Crystal Displays (LCDs)

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • 90% Efficiency
  • Adjustable Output from VIN to 20V
  • 2.6V to 5.5V Input Supply Range
  • Input Supply Undervoltage Lockout
  • Pin-Programmable 640kHz/1.2MHz Switching Frequency
  • Programmable Soft-Start
  • Improved EMI
  • FB Regulation Voltage Tolerance < 1%
  • Small 10-Pin TDFN Package
  • Thermal-Overload Protection

The MAX17062 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 MAX17062 incorporates current-mode, 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). The high switching frequencies allow the use of ultra-small inductors and low-ESR ceramic capacitors. The current-mode architecture provides fast transient response to pulsed loads. A compensation pin (COMP) gives users flexibility in adjusting loop dynamics. The 22V internal MOSFET can generate output voltages up to 20V from an input voltage between 2.6V and 5.5V. Soft-start slowly ramps the input current and is programmed with an external capacitor.

The MAX17062 is available in a 10-pin TDFN package.

Applications

  • LCD Monitor Panels
  • LCD TV Panels
  • Notebook Computer Displays
MAX17062
TFT-LCD Step-Up DC-DC Converter
MAX17062: Minimal Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Switching Regulators & Controllers 2
MAX8715
PRODUCTION Low-Noise Step-Up DC-DC Converters
MAX1790
NOT RECOMMENDED FOR NEW DESIGNS Low-Noise Step-Up DC-DC Converters
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