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AT1731A
Preliminary Product Information DC-DC Power IC for TFT Panel Feature • 2.
6V to 5.
5V Supply
Voltage Operating Range.
• 1.
2MHz Fixed Switching Frequency.
• Current-Mode PWM Step-Up Regulator Description
The AT1731A DC-DC converter supply a compact and small power supply solution to provide the regulated
voltages required by thin film transistor Main High-Power Output up to 15V (TFT) LCD display.
A built-in power sequence Typical ± 1% Accuracy control.
Built-In N-MOS, Rds(on)≒0.
25Ω(Typ.
) The main step-up DC-DC converter is a Current-Limit Comparator • Negative Charge-Pump Output
Voltage Down high-Frequency 1.
2 MHz current-mode PWM regulator with a built-in 0.
25ΩN-MO...