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MAX1880

Maxim Integrated
Part Number MAX1880
Manufacturer Maxim Integrated
Description Quad-Output TFT LCD DC/DC Converters
Published Jul 22, 2017
Detailed Description MAX1778/MAX1880–MAX1885 Quad-Output TFT LCD DC/DC Converters with Buffer General Description The MAX1778/MAX1880–MAX18...
Datasheet PDF File MAX1880 PDF File

MAX1880
MAX1880

Overview
MAX1778/MAX1880–MAX1885 Quad-Output TFT LCD DC/DC Converters with Buffer General Description The MAX1778/MAX1880–MAX1885 multiple-output DC-DC converters provide the regulated voltages required by active matrix thin-film transistor (TFT) liquid crystal displays (LCD) in a low-profile TSSOP package.
One high-power step-up converter and two low-power charge pumps convert the 2.
7V to 5.
5V input voltage into three independent output voltages.
A built-in linear regulator and VCOM buffer complete the power-supply requirements.
The main step-up converter accurately generates an externally set output voltage up to 13V that can supply the display’s row/column drivers.
The converter’s high switching frequency and current-mode PWM architecture provide fast transient response and allow the use of small lowprofile inductors and ceramic capacitors.
The low-power BiCMOS control circuitry and internal 14V switch (0.
35Ω N-channel MOSFET) enable efficiencies up to 91%.
The dual low-power char...


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