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TPS65120RGTR

TFT LCD Supply With Linear Regulator, 2.5 V to 5.5 V in, QFN-16

TEXAS INSTRUMENTS TPS65120RGTR
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Manufacturer Part No:
TPS65120RGTR
Order Code:
3123380

Product Overview

The TPS65120RGTR is a DC to DC Converter that supplies all three voltages required by amorphous-silicon (a-Si) and low-temperature poly-silicon (LTPS) TFT-LCD displays. The compact layout of the device uses a single inductor to generate independently-regulated positive and negative outputs. A free-running variable peak current PWM control scheme time-multiplexes the inductor between outputs. This control architecture operates at a pseudo-fixed-frequency to provide fast response to line and load transients while maintaining a relatively constant switching frequency and high efficiency over a wide range of input and output voltages. The main output, VMAIN, is post-regulated to provide a low-ripple source drive voltage for the LCD display. The device has internal current limiting for high reliability under fault conditions. Additionally, the device offers a fixed output linear regulator for the LCD logic circuitry.
  • 3 to 5.6V/25mA Adjustable main output
  • Post-regulated main output for low ripple (5mVPP)
  • Positive output - Adjustable voltage up to 20V/2mA and ±3% typical Accuracy
  • Negative output - VGL Adjustable voltage down to -18V/2mA and ±3% typical Accuracy
  • Auxiliary 1.8V/3.3V Linear regulator

Applications

Power Management, Computers & Computer Peripherals, Portable Devices, Automotive, Industrial, Imaging, Video & Vision

Product Information

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:
TFT LCD Display

:
2.5V

:
5.5V

:
QFN

:
16Pins

:
-40°C

:
85°C

:
-

:
-

:
MSL 2 - 1 year
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